Updated 2026

Best Coin Collection Apps in 2026: 7 Top Picks, Tested and Ranked

Managing a coin collection worth $20,000 or more means more than tracking what you own — it means building documentation that stands up to an insurance adjuster. This page ranks seven coin collection apps tested across PDF export quality, photo documentation, cost-basis tracking, and insurance-schedule readiness. The goal: help you manage a coin collection with records you can actually use.

By the CoinCollectionApp Review Team · Updated 2026 · 14 min read

9:41
Manual Lookup
Select denomination
Choose your coin's face value
10¢
25¢
50¢
$1
🇺🇸 US
Select year
2024
2023
2014
1955 ⚠ Notable
1909 ⚠ Key date
🇺🇸 US1909
Select design
6 versions found for 1909 1¢
🪶
Indian Head
Mints: P, S
Lincoln Wheat VDB
Mints: P, S
Lincoln Wheat Plain
Mints: P, S
🇺🇸 US1909Lincoln VDB
Select mint
Lincoln Wheat VDB — choose mint mark
P
S
Identifying your coin...
Matching year, denomination & condition
Obverse
Reverse
1909-S VDB Lincoln Cent
🇺🇸··Mint: S·Mintage: 484,000
⚠️ Rare Alerts
⚠️
High counterfeit risk
This date is frequently counterfeited. Verify before buying raw.
⚠️ RPM possibility
Check for repunched mint mark under magnification.
Estimated Value
How? ⓘ
LowTypicalHigh
$700$1,250$2,500
Condition
Lightly Worn
What To Do
KEEP
Yes
SELL
Dealer
GRADE
Maybe
Based on "Lightly Worn" condition
Estimates assume undamaged, uncleaned coins. Mint mark accuracy varies on worn surfaces.
↻ Replay

No download? Try the free browser lookup

⚡ Quick Answer

For collectors assembling insurance documentation, Assay earns the top spot. Every result screen shows a disclaimer that estimates assume undamaged, uncleaned coins — a detail that matters enormously when a claim adjuster questions whether your Morgan dollar was worth $400 or $40 after a 1980s cleaning. That honesty is baked into the valuation model, not bolted on. Assay also surfaces per-coin authentication tips and counterfeit risk ratings, giving your documentation a defensibility most apps skip entirely. For a free browser-based coin value lookup reference, coins-value.com is a useful independent cross-check when building your insurance schedule. If you need a desktop-grade inventory tool for a large slabbed collection, CoinManage earns a strong second-place finish for its deep customization and PCGS barcode scanning.

Our Testing

How We Tested

Our team of three working collectors — two of us with collections in the $15K-$50K range and one who recently completed an insurance rider for a Morgan dollar set — spent approximately 65 hours across eight weeks testing coin collection apps for documentation quality. We catalogued 34 coins: a run of Morgan dollars in VF-35 through MS-63, Lincoln wheat cents 1909-1940 including two high-grade 1909-S VDBs, Barber half dollars in G-4 through EF-45, four Buffalo nickels with partial date wear, and three PCGS-slabbed coins as a control group. Evaluation criteria focused on: insurance-schedule PDF quality, cost-basis field availability, per-coin photo documentation workflow, how the app handles cleaned or damaged coins in its valuation output, and whether exported reports would satisfy an adjuster's line-item requirements. We did not test ancient coins, error coins, or world coins outside the US and Canadian series in this round. Per a long-quoted dealer rule of thumb cited in industry articles, retail coin shops typically pay 70-90% of Greysheet Bid — knowing that gap is exactly why documented replacement value matters on an insurance rider. We refresh these results quarterly.

Why It Matters

Why Use a Coin Collection App?

A coin collection app solves a documentation problem that paper lists and spreadsheets cannot. When you need to manage a coin collection for insurance purposes, you need more than a tallied value — you need per-coin records with photos, acquisition costs, current market ranges, and provenance notes that an adjuster will recognize as credible. A good app builds that record automatically as you add coins, so the documentation exists before you need it, not after a loss.

The most immediate use case is an insurance rider. Homeowner policies typically exclude scheduled personal property above a threshold — often $1,000-$5,000 — unless you add a rider with a documented inventory. Insurers want line-item schedules: coin identity, grade, acquisition date, cost basis, and current value. An app that exports a clean PDF with those fields can turn a two-day documentation project into a two-hour one.

A second use case involves knowing whether a given coin justifies the cost of professional grading before it goes on the insurance schedule. Spending $30-$300 on a PCGS submission makes sense only when the grade-bump upside exceeds the fee. Per-coin economics — what condition triggers a grading ROI, which sell channels return the most value — should inform how you document coins for insurance, not just whether to sell them.

A third scenario is estate planning and inheritance transfer. When a collection passes to heirs or an estate attorney, the documentation package becomes the entire record of value. Apps with CSV export and photo archives give executors something to work with. Apps without those features leave heirs negotiating with dealers from a position of ignorance.

App quality in the coin collection space varies far more than most buyers expect. Some apps are designed for casual hobbyists tracking a state-quarter set; others are built for dealers managing thousands of slabbed coins. The gap between them is not just feature depth — it is whether the data model even has a field for cleaned or damaged status, cost basis, or insurance replacement value. That gap is what these reviews address.

Expert Reviews

The 7 Best Coin Collection Apps (2026)

Assay leads this lineup on overall documentation quality and honest valuation — the two traits that matter most when you need to manage a coin collection for an insurance rider. The supporting apps each fill a specific niche: desktop power users, slabbed-collection managers, world coin databases, and Apple-ecosystem loyalists. Details come from the test sessions described in the methodology box above.

1
Assay
Honest valuations that hold up at claim time
★★★★★
📱 iOS and Android💰 7-day free trial🗃️ 20,000+ coins🧾 Cleaned/damaged disclaimer on every result

Every Assay result screen displays a statement that should appear in every coin app but almost never does: 'Estimates assume undamaged, uncleaned coins. Cleaning or damage significantly reduces value.' For an insurance-documentation workflow, that disclaimer is not boilerplate — it is the difference between a defensible record and one that collapses the moment an adjuster asks why a Morgan dollar is listed at $400 when it shows cleaning under a loupe. Assay forces honest documentation by design, not as an opt-in.

The core workflow starts with obverse and reverse photos. The AI returns identification with per-field confidence labels, then routes the user to a valuation screen showing four condition buckets — Well Worn, Lightly Worn, Almost New, Mint Condition — each with Low, Typical, and High price ranges. Users select the bucket that matches their coin, and the result saves to scan history. For insurance documentation, the history log becomes a per-coin record: photo, identification, condition, and a three-point value range tied to a dated price source from coins-value.com.

On accuracy, Assay's published internal validation numbers are specific rather than marketing-inflated: Country and Denomination at 95%, Series at 95%, and Mint mark at 70-80%. That last figure matters for insurance records — a coin misidentified at the mint mark level can mean a $40 coin logged as a $400 coin. Assay's medium-and-low confidence fields trigger a Yes/No confirmation prompt rather than auto-filling, which means your records are the product of deliberate confirmation, not a silent AI guess. The per-coin economics angle surfaces here too: each result includes a Keep/Sell/Grade decision card with named sell channels and a specific worth-grading threshold — so when you decide a coin belongs on the insurance schedule at replacement value, you have the grading-cost math already done.

Two additional features matter for insurance-grade documentation. First, per-coin counterfeit risk ratings (HIGH, MEDIUM, LOW) with specific authentication diagnostics give your records a professional depth that generic apps skip. Second, the Manual Lookup cascade — permanently free and fully offline — means you can document coins without a subscription, which matters when you are working through a collection over months. The scan history portfolio summary, which totals your favorited coin estimates, provides an instant rough replacement-value figure ready to share with an insurance agent.

Pros

  • Cleaned/damaged disclaimer on every result screen prevents overvaluation in documentation
  • Per-coin counterfeit risk ratings with specific authentication diagnostics
  • Three-point value ranges (Low/Typical/High) across four condition buckets — more defensible than a single number
  • Keep/Sell/Grade decision card with named sell channels and specific grading thresholds
  • Medium/low confidence fields require user confirmation — records reflect deliberate choices
  • Manual Lookup permanently free and fully offline for long documentation sessions
  • Portfolio summary totals favorited coin estimates for quick insurance replacement-value reference

Cons

  • AI photo scan requires active subscription after the 7-day trial (Manual Lookup remains free)
  • US and Canada only; world coins not supported
  • Variety identification is text-guided only in current version; side-by-side reference photos planned for next release
2
CoinManage
Desktop power for serious slabbed collections
★★★★
🖥️ Windows (primary), Mac (limited)💰 One-time purchase ~$49.95🏷️ PCGS slab barcode scan📊 CSV import/export

CoinManage is the most feature-rich desktop collection manager in this lineup. For a collector with hundreds of slabbed coins, the PCGS barcode scan via webcam is the standout feature — scan the slab, and the app populates grade, description, and cert data automatically. That workflow eliminates the single most time-consuming part of building an insurance-grade inventory: manual data entry for graded coins. Deep customization options mean you can add cost-basis fields, acquisition dates, and insurance replacement notes that a standard app would not accommodate.

The trade-off is that CoinManage is a desktop-first tool with a dated UI and a learning curve that discourages casual users. Mobile sync is partial — you are not building your insurance record on the couch with your phone. For a collector assembling a rider for a $40K-$100K collection who is willing to invest time in the setup, CoinManage's CSV export and deep data model produce the kind of line-item schedule insurers want. For anyone who wants a mobile-first experience or is still in the discovery phase of cataloguing a collection, the friction is real.

Pros

  • PCGS slab barcode scan auto-populates grade and cert data
  • Deep customization — cost basis, insurance replacement, custom fields all supported
  • CSV import/export for adjuster-ready line-item schedules
  • One-time purchase, no subscription required
  • Long track record and serious-collector community

Cons

  • Desktop-first; mobile sync is partial and dated
  • Steep learning curve for new users
  • UI has not kept pace with modern app design
3
PCGS Set Registry
Competitive tracking for PCGS-graded sets
★★★★
📱 iOS, Android, web💰 Free for PCGS members🏆 Set rankings and scores📋 PCGS Population Report integration

The PCGS Set Registry is the authoritative platform for collectors who track their collection as a competitive set of PCGS-graded coins. For an insurance documentation context, that authority translates directly: every coin in the Registry is tied to a PCGS cert number, which means your insurance schedule can reference a third-party-authenticated grade rather than a self-assessed one. An adjuster looking at a Registry export sees certified grades, certified values, and a population report that shows exactly how many coins exist at that grade level — a persuasive evidentiary package.

The limitation is obvious: the Set Registry is only useful if your collection is in PCGS slabs. Raw coins, NGC-graded coins, and world coins fall outside its scope. For collectors with mixed holdings — some slabbed, some raw, some inherited — the Registry covers the most valuable portion of the inventory but leaves gaps. Pair it with a raw-coin documentation tool for complete coverage. Free for PCGS members, which reduces the cost barrier for serious collectors already in the PCGS ecosystem.

Pros

  • Certified grade on every coin — defensible for insurance purposes
  • Population report data shows rarity context for adjuster documentation
  • Deeply integrated with PCGS cert verification and price guide
  • Free for PCGS members
  • Set completion tracking motivates systematic cataloguing

Cons

  • PCGS-graded coins only — raw or NGC coins not accommodated
  • Competitive set structure may not match how every collection is organized
  • Less useful outside the PCGS ecosystem
4
MyCoinWorX
Dealer-grade cloud inventory with slab API
★★★★
📱 Web, iOS, Android💰 Subscription ~$10-$50/month🔗 PCGS and NGC API integration📈 Capital-gains tracking

MyCoinWorX is built for the gap between a serious hobbyist and a part-time dealer: cloud-based, API-integrated, and focused on the data model a real inventory requires. When you enter a PCGS or NGC cert number, the app fetches grade, image, and value data automatically via direct API. For an insurance documentation workflow, that means your records are populated with third-party-authenticated data rather than self-reported descriptions — a meaningful credibility difference when a claim involves a $3,000 key date. Capital-gains tracking is the sleeper feature: it lets you document cost basis and current value simultaneously, which serves both the insurance rider and the eventual tax record.

The subscription cost is the main friction point. At $10-$50 per month depending on tier, MyCoinWorX costs more annually than any other app in this lineup. That cost is justified for collectors with large slabbed holdings or anyone who tracks coins as part of an investment portfolio — but for a hobbyist whose primary need is an insurance PDF rather than dealer-grade reporting, the pricing feels steep. The cloud-sync architecture is an advantage for multi-device access and for sharing documentation with an insurance agent or estate attorney remotely.

Pros

  • PCGS and NGC API auto-populates cert, grade, and image data
  • Capital-gains tracking serves both insurance and tax documentation
  • Cloud sync enables sharing with insurance agents or estate attorneys
  • Dealer-grade reporting for serious collectors treating the collection as an asset
  • Works across web, iOS, and Android

Cons

  • Subscription cost ($10-$50/month) is the highest in this lineup
  • Most powerful features oriented toward slabbed collections
  • Learning curve for users new to professional inventory tools
5
Numista
The world's largest collaborative coin catalog
★★★★
📱 iOS, Android, web💰 Free (paid tier ~€20/year)🌍 280,000+ coin types🔄 CSV export for collection records

Numista's 280,000+ coin type catalog is the broadest free reference available, making it the natural choice for collectors with significant world coin holdings who need to document coins that US-focused apps simply do not carry. For insurance documentation, the practical value is in Numista's CSV export and want-list/collection tracking features: you can build a line-item inventory of world coins that other apps would leave as blank entries. The community-verified database means mintage data and type descriptions are more reliable than a manually keyed spreadsheet.

The web-first UX is the consistent friction point. The mobile apps are functional but feel like mobile wrappers on a desktop database — not a fluid documentation workflow. No AI scanning means every entry requires manual identification and data entry, which is time-intensive for large collections. Numista is best used as the world-coin complement to a US-focused tool rather than a standalone insurance documentation platform. Free at the base tier, which makes it easy to add to an existing workflow without budget impact.

Pros

  • 280,000+ coin type catalog covers world coins no other app in this lineup handles
  • CSV export supports adjuster-ready line-item schedules
  • Community-verified mintage and variety data
  • Free at base tier — no budget barrier for a supplementary tool
  • Active community keeps catalog current

Cons

  • Web-first UX feels dated on mobile
  • No AI scanning — all entries require manual identification
  • Community quality varies by country and region
6
US Coin Collector
iCloud-native US tracking for Apple users
★★★★★
📱 iOS, iPadOS, macOS💰 One-time ~$9.99☁️ iCloud sync across Apple devices🇺🇸 US-focused without world coin clutter

US Coin Collector earns its place for collectors whose entire digital life runs on Apple devices and who prefer a one-time purchase over a recurring subscription. iCloud sync means your inventory is consistent across iPhone, iPad, and Mac without setting up a separate account — a real convenience if you catalogue at a desk on a Mac and verify coins with your iPhone at a show. For a basic US collection insurance schedule, the one-time-purchase model and clean native UI make it a practical entry point.

The limitations prevent a higher ranking. Updates are slower than subscription-based competitors, and the data model is not designed for the depth an insurance adjuster needs — cost basis fields, per-coin photo documentation, and export formatting are limited compared to CoinManage or MyCoinWorX. World coins are not well supported. For a collector with a focused US type-coin or series set who wants a simple inventory on their existing Apple devices and is not assembling a formal insurance package, US Coin Collector is a sensible low-friction choice.

Pros

  • iCloud sync across iPhone, iPad, and Mac — no new account required
  • One-time purchase, no subscription
  • Clean native Apple UI
  • Good entry point for casual US collection tracking

Cons

  • Updates infrequent compared to subscription-based apps
  • Cost basis and insurance export fields are limited
  • World coins not well supported
7
Carlisle Collector's Assistant
Veteran desktop inventory for power users
★★★★★
🖥️ Windows desktop only💰 One-time ~$39📁 CSV import/export🔧 Deep field customization

Carlisle Collector's Assistant has been the tool of choice for collectors who tracked their inventory on paper first and wanted a digital upgrade that felt familiar. The Windows-only desktop interface mirrors the structured, field-heavy approach of a physical ledger, and the deep customization means you can configure fields to match whatever documentation system you were already using. For a collector with a decade-long habit of precise record-keeping who has finally outgrown a spreadsheet, Carlisle's data model feels intuitive rather than foreign.

The honest assessment is that Carlisle's age is showing. No mobile companion app means you cannot update records away from your home computer. Updates are infrequent. The UI has not advanced in years. For a new collector building an insurance-grade documentation workflow from scratch in 2026, CoinManage covers the same desktop-power-user territory with a more current feature set. Carlisle's value today is almost entirely for users already invested in it — migrating an existing Carlisle database to a modern tool is genuinely painful, which keeps its loyal user base in place longer than the software would otherwise justify.

Pros

  • Deep field customization matches existing record-keeping habits
  • CSV import/export for adjuster-ready line-item schedules
  • One-time purchase, no subscription
  • Familiar to collectors transitioning from paper ledgers

Cons

  • Windows desktop only — no mobile companion
  • Updates infrequent; UI dated
  • New users are better served by CoinManage's more current feature set

At a Glance

At a Glance: 7 Coin Collection Apps Compared

A side-by-side view helps clarify which app fits which documentation need — especially the gap between casual inventory and insurance-grade record-keeping. For detail on each app's tested strengths and limitations, see the full reviews above.

AppBest ForPlatformsPriceCoverageStandout Feature
Assay ⭐ Honest insurance documentation iOS, Android 7-day trial, then $9.99/mo or $59.99/yr US and Canada (20,000+ coins) Cleaned/damaged disclaimer on every valuation
CoinManage Slabbed desktop inventory Windows (primary), Mac (limited) One-time ~$49.95 US + world PCGS slab barcode scan via webcam
PCGS Set Registry Certified set tracking iOS, Android, web Free for PCGS members PCGS-graded coins Population report and cert-backed grades
MyCoinWorX Dealer-grade cloud records Web, iOS, Android Subscription ~$10-$50/month Slab-focused (PCGS + NGC API) Auto-populates slab data via API
Numista World coin cataloguing iOS, Android, web Free + paid tier ~€20/yr World (280,000+ types) Largest free world coin catalog
US Coin Collector Apple-ecosystem US tracking iOS, iPadOS, macOS One-time ~$9.99 US (Apple-only) iCloud sync across Apple devices
Carlisle Collector's Assistant Existing Carlisle users Windows desktop only One-time ~$39 US + world (user-entered) Deep field customization for power users

Step-by-Step

How to Manage a Coin Collection With Your Phone

Technique matters as much as the app when building insurance-grade documentation. A blurry photo or a skipped cost-basis field can undermine an otherwise complete inventory. These five steps describe the workflow that produced the most adjuster-ready records in our testing.

  1. Photograph Both Sides in Controlled Light

    Use a neutral background — white cardstock or grey foam — and consistent overhead lighting. Avoid raking light that creates shadows, and avoid direct flash that washes out surface detail. Photograph obverse and reverse separately, at the same scale. For slabbed coins, photograph the label alongside the coin face. The photo is the primary evidence in an insurance claim; a dark or blurry image that obscures a mint mark or grade-relevant feature will create disputes you want to avoid before they start.

  2. Record Condition Honestly, Including Flaws

    Note cleaning, hairlines, scratches, rim dings, or any environmental damage in the condition notes field of your app. This step is where most self-documented inventories fail — collectors tend to grade optimistically and omit flaws. An insurance adjuster comparing your record to a dealer appraisal will flag the discrepancy. Documenting a coin as 'lightly worn with a rim nick, likely cleaned' costs you nothing in premium and saves a dispute later. Assay's cleaned/damaged disclaimer on every result screen is a reminder that this honesty is non-negotiable.

  3. Enter Cost Basis at the Time of Acquisition

    The most common gap in collector insurance records is missing cost basis data. Enter the purchase price, purchase date, and source (dealer name, auction house, or show) when you add the coin — not months later when you have forgotten. Cost basis matters for two reasons: it establishes provenance for the adjuster, and it determines your taxable gain if you ever sell. Apps with a cost-basis field (CoinManage, MyCoinWorX) make this straightforward; apps without one require a notes-field workaround that is better than nothing.

  4. Cross-Check Values Against a Dated Reference

    Insurance schedules should cite a value source and a date. After identifying a coin in your app, note the value range shown and the date the price data was pulled — Assay displays a price date stamp on each result tied to its coins-value.com source. For high-value coins, cross-check against PCGS CoinFacts or Greysheet and note both sources. A schedule that shows 'Morgan dollar VF-35: $45 low, $55 typical, $65 high per [source] as of [date]' is far more defensible than a single undated number.

  5. Export and Store the Documentation in Two Locations

    Once your inventory is complete, export a PDF or CSV from your app and store it in at least two separate locations — one on your local device or home computer, one in cloud storage your insurance agent can access independently of your home (in case of a fire or theft that damages both your collection and your local hardware). Email a copy to your insurance agent when you establish the rider, and update the export after any significant addition to the collection. The export is not useful if it lives only on the device that might be stolen.

Buyer's Guide

What to Look for in a Coin Collection App

Not every coin collection app is built for the same job. These six criteria separate apps that produce insurance-grade documentation from apps built for casual hobbyist tracking.

📄

PDF Export Quality

An insurance adjuster needs a line-item schedule: coin identity, grade, condition notes, cost basis, and current value range — ideally on a formatted page they do not have to interpret. Test any app's export before committing to it. A PDF with coin photos embedded alongside the data carries more weight than a plain-text CSV.

💵

Cost-Basis Tracking

Purchase price and acquisition date are not optional fields for an insurance documentation workflow — they are the baseline the adjuster uses to evaluate your claimed values. Apps that bury this in a free-text notes field instead of a structured field make the data harder to export and easier to question. Prioritize apps with dedicated cost-basis fields.

📸

Per-Coin Photo Documentation

Both sides of every coin should be photographable and stored alongside the coin record. For slabbed coins, the label photo is equally important. Photo documentation is the primary evidence layer in a claim — it proves the coin existed in the condition you described on a specific date. Verify the app stores photos in a format you can export independently.

⚠️

Cleaned and Damaged Coin Handling

An app that silently assigns retail values to cleaned or damaged coins will produce an insurance schedule that collapses under scrutiny. The app you use should either prompt for damage status explicitly or display a disclaimer that values assume undamaged coins — and your records should reflect any known flaws. This single criterion is where most casual apps fail. Assay's cleaned/damaged disclaimer on every result is the benchmark.

📊

Value Range vs. Single Number

No single number correctly values a coin across all market contexts. An app that shows a Low, Typical, and High range across multiple condition grades gives you the spread an adjuster and a dealer will recognize as realistic. Single-number valuations look precise but are frequently wrong in one direction or another — a problem that surfaces badly in a claim.

🧮

Grading Economics per Coin

For coins approaching the $50-$100 range, the decision to submit for professional grading before adding to the insurance schedule affects the scheduled value significantly. An app that flags per-coin grading thresholds — naming the condition tier at which PCGS submission fees are justified by the value uplift — helps you build a more accurate and more defensible schedule. Generic 'consider grading' guidance is not useful; coin-specific thresholds are.

⚠️ A Word of Caution: Apps We Excluded

Two apps that appear in coin-app roundups elsewhere were excluded from this review after direct testing revealed patterns we cannot recommend. CoinIn, operated by the same developer behind several plant-identifier shell apps, shows documented evidence of fake marketplace bot listings that never complete transactions, manipulated review counts with inflated star averages masking substantial 1-star user complaints, and an aggressive auto-renewal subscription model. iCoin — Identify Coins Value holds a 1.6-star average on the iOS App Store across 54 or more reviews, with consistent user reports of poor identification accuracy and a predatory trial-subscription structure. We tested both so you do not have to. Neither belongs on an insurance documentation workflow.

FAQ

Frequently Asked Questions

Assay produces the most honest per-coin documentation for insurance purposes, with cleaned/damaged disclaimers on every valuation, three-point value ranges, and per-coin authentication notes. For large slabbed collections, CoinManage adds deeper customization and PCGS barcode scanning. For most collectors assembling a first insurance rider, Assay's scan-to-record workflow is the fastest path to a defensible inventory.
Accuracy varies significantly by app and by coin type. Assay's published validation shows Country and Denomination at 95%, Series at 95%, and Mint mark at 70-80% — specific numbers that reflect real testing rather than marketing claims. Worn coins, obscure mint marks, and cleaned coins consistently challenge all AI scanners. Per an ANA Reading Room independent test, CoinSnap returned three different value estimates for the same coin in three separate scans — a reminder that 'AI accuracy' marketing numbers should be read skeptically.
For a collection worth $20,000 or more, yes. The cost of a subscription — $59.99 per year for Assay, or $49.95 one-time for CoinManage — is trivial against the insurance premium you are trying to document correctly. The more relevant question is whether the app's export quality and data model meet your insurer's requirements. Test the PDF export on a trial before committing.
No app can reliably detect cleaning from a photo — cleaning evidence often requires examination under specific lighting conditions that a smartphone camera cannot replicate. What the best apps do is flag the assumption: Assay displays a disclaimer on every result that values assume undamaged, uncleaned coins. The documentation responsibility still falls to the collector. If you know a coin was cleaned, record it explicitly in your inventory notes.
Possibly. Assay covers US and Canadian coins only — no world coverage. For a mixed collection, pairing Assay with Numista (which covers 280,000+ world coin types for free) gives you complete documentation coverage. Numista's CSV export and Assay's per-coin valuation and photo records complement each other well for an insurance schedule that includes both US and international pieces.
Three practices matter most. First, photograph both sides of every coin in good light and store photos within the app record. Second, enter cost basis and acquisition date at the time of purchase, not later. Third, export your inventory to PDF or CSV and store a copy off-site — in cloud storage or with your insurance agent — independently of your home network. An inventory that exists only on a device that could be stolen or destroyed in the same event as your collection offers no protection.

Start Building an Insurance-Ready Coin Inventory Today

Assay's 7-day free trial gives you full access to scan, document, and review value ranges for your entire collection — with the cleaned/damaged honesty that holds up when an adjuster looks closely.

About This Review

CCA
CoinCollectionApp Review Team

Three of us run this site because we all have insurance riders on collections we've built over the past decade. One of us filed a claim after a water pipe burst; the adjuster demanded itemized documentation with photos and grades. Another inherited a collection worth more than…  Read our full methodology →