Comparison

CoinOn vs StampRef

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CoinOn

Instantly identify and value coins by taking a photo. Access a vast database for detailed information, track market prices, and manage your collection. Buy, sell, and connect with other collectors.

Highlights
  • AI-powered coin identification
  • Coin valuation and grading tools
  • Access to 270,000+ coin database
  • Real-time market price tracking
  • Personal coin collection management
  • Secure coin buying and selling
Features
Read full description

Discover the easiest way to identify and value any coin with our app! Just snap a photo to instantly get detailed information about coins from around the world—covering rare, ancient, error, and modern coins. Access a massive database of over 270,000 coins and receive accurate identifications in seconds. Track real-time market prices, get expert coin analysis, and manage your personal coin collection all in one place. Whether you’re a collector, investor, or just curious, our advanced AI-powered scanner and grading tools help you unlock the true value of your coins. Connect with fellow enthusiasts, buy and sell coins securely, and always stay ahead of numismatic trends. Make coin collecting easy, fun, and rewarding—anytime, anywhere. Please note that terms and conditions, as well as our privacy policy, apply. Privacy Policy: https://legal.coinonapp.com/privacy-policy.html Terms of Use: https://legal.coinonapp.com/terms-of-service.html Contact us: support@coinonapp.com

About

StampRef

Features
Read full description

Discover the real value of your stamps with StampRef — the smarter way to scan, identify, and manage your collection. Snap a photo and use StampRef as your stamp identifier for fast, accurate stamp identification from a global library of 100,000+ issues. Get price estimates, grading details, and real market offers in seconds, so you know exactly what you have. What can StampRef do? – Instant Stamp Identification: Scan any stamp and quickly uncover its origin, year, and key details with a reliable stamp value identifier. – Identify Classic U.S. Stamps: Recognize iconic issues, including results collectors may search as a Washington stamp identifier or Franklin stamp identifier. – Know the Real Value: See price estimates, grading ranges, and active market offers — no more guessing. – Track Your Collection: Save your stamps, organize your album, and follow your collection as it grows. Whether you’re sorting an old album or adding new finds, StampRef makes worldwide stamp identification simple and helps you understand, track, and organize your collection in one place. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CoinOn4 screens
StampRef4 screens

Verdict

The call

The clearest difference is update cadence: CoinOn at weekly against StampRef's every 3 weeks. StampRef's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CoinOn sells 10 in-app purchases, starting at $6.99 per 7 days and StampRef sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CoinOn ships an update weekly, StampRef every 3 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 7 level
CoinOn versus StampRef: the parameters behind the verdict, then further details
ParameterCoinOnStampRef
PriceFreeFree
Rating4.6 (1.1K ratings) — better—
Number of ratings1.1K — better—
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size55 MB140 MB
Age rating4+4+
DeveloperColorbits LimitedVictor Pham

In-app purchases

10 purchases

CoinOn

Subscriptions9
  • Premium Access3 Days trial$6.997 Days
  • Premium Access$7.997 Days
  • Premium Access3 Days trial$7.997 Days
Show 6 more
  • Premium Access$8.997 Days
  • Season Pass$9.991 Month
  • Premium Access3 Days trial$9.997 Days
  • Premium Access3 Days trial$12.997 Days
  • Premium Access3 Days trial$19.991 Month
  • Premium Access3 Days trial$49.991 Year
One-time1
  • Premium Access$49.99
3 purchases

StampRef

Subscriptions3
  • Weekly Premium$4.997 Days
  • Monthly Premium$8.991 Month
  • Yearly Premium$59.991 Year

Questions

Is CoinOn free?
CoinOn is free to download, with in-app purchases available.
Is StampRef free?
StampRef is free to download, with in-app purchases available.
Do CoinOn or StampRef have ads?
Neither CoinOn nor StampRef shows ads.
Which is updated more often, CoinOn or StampRef?
CoinOn ships an update weekly, and StampRef every 3 weeks. Most recently, CoinOn was updated on November 8, 2026 and StampRef on November 5, 2026.

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