Comparison

Stamp 4.1 vs StampSnap

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

Head to head
About

Stamp 4.1

Read full description

Since 2021, Philately Liechtenstein has been issuing postage stamps with blockchain technology from the Principality of Liechtenstein. These stamps are forgery-proof, interactive and exciting. Deposit your postage stamp in this app and find out which collectible is hidden behind your stamp. Each stamp contains a digital puzzle piece that only becomes visible after scanning it in the app. But that's not everything by any means. You can also solve puzzles, improve your best time and and compete with other users worldwide. Stay active and collect points to constantly improve your ranking. Our "Fantastic Animal World" small-sheet series can also be deposited in the app and will welcome you in their own language - so sound on! You have all stamps and want more? Find our Easter eggs (QR codes) and scan them to discover more about the world of stamps. Have you already searched on our website? The valid postage stamps can be used for mailing just like any other stamp. On our "Stamp 4.0" and “Stamp 4.1” an SQR-code is also integrated. When the SQR-code is scanned with the matching app, the stamp becomes visible as a digital twin in the app and can be placed in your digital collection. This gives your stamp a digital CV. These innovations make the Stamp 4.1 forgery-proof, interactive and exciting.

About

StampSnap

Instantly identify stamps from around the world using AI-powered image recognition. Get detailed numismatic specifications, pricing, history, and manage your entire stamp collection's value.

Highlights
  • AI-driven stamp identification
  • Numismatic specifications
  • Pricing and history details
  • Collection recording and tracking
  • Total collection value estimation
  • Identify rare and error stamps
Features
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Take a picture to identify any Stamp type accurately with numismatic specifications, countries supported, pricing details and history info. Make you a pro Stamp collector and it's much more than a Stamp! If you’re a Stamp collector, you need a reliable way to identify the Stamps you find so that you can assess their value. It can also be easy to keep track of all the Stamps in your collection and the total value of everything you own. Stamp collectors will love the functionality, utility, and ease-of-use of StampSnap. StampSnap is an powerful mobile app that utilizes AI-driven image recognition technology to accurately identify any Stamp in seconds! The identification process is simple! All you have to do is take a quick photo of your Stamp (or upload it from your phone storage). Then crop your photo with simple editing tools to maximize clarity and accuracy. From there, StampSnap will match your Stamp to information in the extensive database. Each identification provides a detailed overview of the Stamp you’re identifying. This information includes the country of origin, the issue year of the collectible, and so much more. With this information, you’ll be able to learn the value of your Stamp easily and can make informed decisions about your collection over time. You can record and save your collections right within the StampSnap app, so you never lose track of your collection and always know the value of what you have. With all of your collection data at your fingertips, it makes it incredibly easy to sell your collectibles and enjoy your collections. Key Features: - Identify any Stamps from around the world with a quick snap - Give accurate identification results. - Identify rare stamps and error stamps. - Grade Stamps via photos - Estimate the price of identified Stamps to understand the value of your Stamp. - Stay up to date with trendy Stamp collection series. - Record and store your collections right in the app. - Track the total value of all your Stamps. - High-resolution photography For Stamp collectors, StampSnap is the perfect app to have in your pocket. It’s never been easier to identify any Stamp , keep track of your collections, and enjoy your hobby every day. Please note that terms and conditions, as well as our privacy policy, apply. Terms of Use: https://sites.google.com/view/haoios-term Privacy Policy: https://sites.google.com/view/haoios-privacy Contact us: haoios.dev@gmail.com

Screenshots

Stamp 4.14 screens
StampSnap4 screens

Verdict

The call

The clearest difference is in-app purchases: Stamp 4.1 at none against StampSnap's 3. StampSnap's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. StampSnap sells 3 in-app purchases, starting at $6.99 per 7 days. Stamp 4.1 asks for nothing beyond the download.

UpkeepUpdate frequency

Stamp 4.1 ships an update every 3 weeks, StampSnap monthly. The most recent releases landed on September 7, 2026 and September 11, 2026 respectively.

Scorecard2 real differences · 8 level
Stamp 4.1 versus StampSnap: the parameters behind the verdict, then further details
ParameterStamp 4.1StampSnap
PriceFreeFree
Rating—3.9 (334 ratings) — better
Positive reviews—4.2% of reviews
Number of ratings—334 — better
Update frequencyEvery 3 weeks — betterMonthly
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.014.0 — better
Further details — not scored
Size24 MB126 MB
Age rating4+4+
DeveloperLiechtensteinische Post AGTECHFLINES JOINT STOCK COMPANY

Bugs and requests

Stamp 4.1

Not enough reviews yet to summarise bugs or requests.

StampSnap

Reported bugs

7 issues
  • Ads blocking trial
  • Image on screen opposite to camera direction
  • Full-screen ads during scanning
  • Scan results left blank
  • Update destroyed identifier functionality
Show 2 more
  • Search functionality not working
  • App not working as advertised

Requested features

5 requests
  • Fix scanning glitch
  • Add more features
  • Improve stamp identification accuracy
  • Allow organizing collections
  • Make it a free trial like other apps

In-app purchases

None

Stamp 4.1

No in-app purchases

3 purchases

StampSnap

Subscriptions2
  • StampSnap: Weekly$6.997 Days
  • StampSnap: Yearly$17.991 Year
One-time1
  • StampSnap: Lifetime$34.99

Questions

Is Stamp 4.1 free?
Stamp 4.1 is free to download, with no in-app purchases.
Is StampSnap free?
StampSnap is free to download, with in-app purchases available.
Do Stamp 4.1 or StampSnap have ads?
Stamp 4.1 shows ads; StampSnap does not.
Which is updated more often, Stamp 4.1 or StampSnap?
Stamp 4.1 ships an update every 3 weeks, and StampSnap monthly. Most recently, Stamp 4.1 was updated on September 7, 2026 and StampSnap on September 11, 2026.

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