Comparison

Geopin vs Stamp Identifier

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

Head to head
About

Geopin

Features
Read full description

Embark on a thrilling journey to enhance your geographical prowess with GeoPin. Share, prove, and boost your geo knowledge like never before! With our AI-powered quiz, you can put your Geo skills to the test engagingly and interactively. Challenge yourself with curated questions to expand your understanding of the world. GeoPin's unique correctness and fail-repeat system ensures that you learn from your mistakes and reinforce your knowledge for lasting retention. With each quiz attempt, watch your confidence soar as you conquer new territories of understanding. Compete with friends, family, and fellow enthusiasts as you earn points, surpass competitors, and claim your well-deserved spot at the top of the leaderboard. Become a true leader in Geo knowledge and inspire others to join you on this exciting journey. Download GeoPin now and start your quest to become a Geo genius today!

About

Stamp Identifier

Instantly identify any stamp with AI-powered precision by simply taking a photo. Get detailed philatelic analysis, market values, and condition grading in seconds. Organize your collection and explore stamps from collectors worldwide.

Highlights
  • AI-powered stamp identification
  • Detailed stamp analysis
  • Professional condition grading
  • Accurate market valuations
  • Cross-reference catalog listings
  • Build and organize digital collection
  • Community gallery for discovery
Features
Read full description

Identify any postage stamp from a photo. Snap a picture and Stamp Identifier tells you what it is, where and when it was issued, and what it may be worth — in seconds. Whether you're a lifelong philatelist or just opened an inherited album, you get a clear, collector-friendly answer instead of a wall of jargon. INSTANT IDENTIFICATION - Photograph a stamp with your camera or pick one from your library - Get the stamp's name, issuing country, year of issue, series, and face value - A short description of the design, why it was issued, and its place in philately REFERENCE PRICE & CONDITION - One clear reference price range - A simple condition label such as Used (Good) or Mint (Very Fine) STAMP ENCYCLOPEDIA - Browse 700+ issues by country, type, and theme - Real, credited images from archival scans - Overview, history, how-to-identify, and value notes for every entry - See community finds matched to each entry YOUR COLLECTION - Save the stamps you want to keep in your personal collection - Full history of everything you've identified - Share any result with a link DISCOVER - Explore stamps identified by collectors around the world - Search by country, series, or year Stamp Identifier uses AI. Identifications, condition labels, and value estimates are for general information only — they are not official appraisals, authentication, or expertization. Always verify important details with an expert before buying, selling, or valuing a stamp. Find our EULA here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Geopin3 screens
Stamp Identifier3 screens

Verdict

The call

The clearest difference is in-app purchases: Stamp Identifier at none against Geopin's 4. Stamp Identifier also leads on ads (none vs shown). Geopin's advantage is update cadence (fortnightly vs every 4 months) and device support (3 vs 1). On price 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. Geopin sells 4 in-app purchases, starting at $1.99 per month. Stamp Identifier asks for nothing beyond the download.

UpkeepUpdate frequency

Geopin ships an update fortnightly, Stamp Identifier every 4 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Geopin versus Stamp Identifier: the parameters behind the verdict, then further details
ParameterGeopinStamp Identifier
PriceFreeFree
Rating—4.4 (27 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—27 — better
Update frequencyFortnightly — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size93 MB32 MB
Age rating4+4+
DeveloperMykhailo MozhaiskyiKawaii

In-app purchases

4 purchases

Geopin

Subscriptions2
  • Premium Monthly$1.991 Month
  • Premium Annual$7.991 Year
One-time2
  • Lifetime Promo$12.99
  • Lifetime$24.99
None

Stamp Identifier

No in-app purchases

Questions

Is Geopin free?
Geopin is free to download, with in-app purchases available.
Is Stamp Identifier free?
Stamp Identifier is free to download, with no in-app purchases.
Do Geopin or Stamp Identifier have ads?
Geopin shows ads; Stamp Identifier does not.
Which is updated more often, Geopin or Stamp Identifier?
Geopin ships an update fortnightly, and Stamp Identifier every 4 months. Most recently, Geopin was updated on October 5, 2026 and Stamp Identifier on October 24, 2026.

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