Comparison

Stamp 4.1 vs Stamp Value

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

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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

Stamp Value

Instantly identify and value postage stamps with advanced AI. Get accurate appraisals, condition assessments, and detect rare errors from a single photo. Manage your collection and track its value over time.

Highlights
  • AI-powered stamp identification
  • Instant valuation and price guide
  • Professional condition assessment and grading
  • Detection of rare errors and varieties
  • Two-sided comprehensive analysis
  • Stamp collection management and portfolio tracking
Features
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Looking for the best stamp identifier app? Stamp Identifier uses advanced AI to instantly identify and value postage stamps from a single photo. Whether you inherited a stamp collection, found old stamps at an estate sale, or want to know what your rare stamps are worth, get fast and accurate stamp appraisal results trusted by collectors and dealers worldwide. INSTANT STAMP IDENTIFICATION & VALUATION Simply scan your stamp and receive: • Complete stamp identification with country, year, and catalog numbers (Scott, Stanley Gibbons) • Current stamp value and stamp price guide based on real auction and sales data • Detailed condition assessment and grading • Detection of valuable errors, varieties, and printing anomalies TWO-SIDED COMPREHENSIVE ANALYSIS Unlike basic stamp apps, our stamp scanner analyzes both sides for complete accuracy: Front Analysis: • Design matching and stamp catalog verification • Centering and margin measurements • Perforation gauge and integrity assessment • Color shade variations and printing errors Back Analysis: • Gum condition grading (Never Hinged, Original Gum, Hinged, etc.) • Watermark detection and verification • Paper defects, thins, and hinge mark assessment • Authentication indicators SMART CONDITION GRADING Stamp values depend heavily on condition. Our AI evaluates: • Centering quality and margin balance • Perforation integrity and gauge accuracy • Paper condition including stains, thins, and toning • Gum state for mint stamps • Cancel quality for used stamps • Overall grade from Superb to Poor ERROR & VARIETY DETECTION Find valuable rare stamps others miss: • Inverted centers and design errors • Missing or shifted colors • Double prints and overprints • Imperforate and perforation errors • Rare color shades and paper varieties • Watermark variants STAMP COLLECTION MANAGEMENT The ultimate stamp collecting and stamp collection app. Build and track your collection: • Automatic saving of all identifications • Portfolio value tracking over time — see what your stamps are worth • Organization by country, era, or theme • Export capabilities for insurance documentation PERFECT FOR EVERY STAMP COLLECTOR Estate Inheritors: Quickly identify old stamps and get instant stamp appraisal answers before visiting a dealer. Active Collectors: Verify authenticity and spot varieties at stamp shows, auctions, and shops. The stamp identifier and stamp scanner you need for stamp collecting on the go. Beginners: Learn stamp identification, grading principles, and what affects stamp value. The perfect companion and stamp price guide for new collectors. Dealers & Investors: Make informed purchasing decisions anywhere with instant AI-powered valuations from our stamp catalog database. MULTI-CATEGORY SUPPORT Beyond stamps, also scan and value rare coins, vintage banknotes, and antique collectibles — all in one app. FREE & PREMIUM TIERS Free: 2 stamp identifications daily for stamps, coins, and antiques Premium: Unlimited scans, two-sided comprehensive analysis, detailed valuations, stamp collection tracking, and priority support Transform your phone into a portable philatelic expert. Perfect for estate sales, stamp shows, flea markets, or organizing your vintage stamp collection at home. Privacy: Your collection data is stored on your device. Scan images are sent for AI analysis and are not kept on our servers unless you turn on photo contribution in Settings. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Privacy: https://identifystamp.com/stampidentifier_privacy.html Terms: https://identifystamp.com/stampidentifier_terms.html

Screenshots

Stamp 4.14 screens
Stamp Value4 screens

Verdict

The call

The clearest difference is in-app purchases: Stamp 4.1 at none against Stamp Value's 2. Stamp Value's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, 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. Stamp Value sells 2 in-app purchases, starting at $2.99 per 7 days. Stamp 4.1 asks for nothing beyond the download.

UpkeepUpdate frequency

Stamp 4.1 ships an update every 3 weeks, Stamp Value weekly. The most recent releases landed on September 7, 2026 and September 26, 2026 respectively.

Scorecard3 real differences · 7 level
Stamp 4.1 versus Stamp Value: the parameters behind the verdict, then further details
ParameterStamp 4.1Stamp Value
PriceFreeFree
Rating—3.8 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size24 MB129 MB
Age rating4+4+
DeveloperLiechtensteinische Post AGVIKSVA, MB

In-app purchases

None

Stamp 4.1

No in-app purchases

2 purchases

Stamp Value

Subscriptions2
  • Premium weekly3 Days trial$2.997 Days
  • Yearly subscription$34.991 Year

Questions

Is Stamp 4.1 free?
Stamp 4.1 is free to download, with no in-app purchases.
Is Stamp Value free?
Stamp Value is free to download, with in-app purchases available.
Do Stamp 4.1 or Stamp Value have ads?
Stamp 4.1 shows ads; Stamp Value does not.
Which is updated more often, Stamp 4.1 or Stamp Value?
Stamp 4.1 ships an update every 3 weeks, and Stamp Value weekly. Most recently, Stamp 4.1 was updated on September 7, 2026 and Stamp Value on September 26, 2026.

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