Comparison

Stamp Identifier vs Modern GB Stamp Decoder

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

Head to head
About

Stamp Identifier

Features
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Stamp Identifier – Discover the True Worth of Your Stamps with AI Unlock the secrets hidden in your stamp collection with Stamp Identifier, the cutting-edge AI stamp identifier and stamp scanner that delivers instant insights into stamp worth, history, and rarity. β–² Why Collectors Love Stamp Identifier AI-Powered Recognition – Snap a photo and let our advanced AI stamp identifier recognize nearly any stamp in seconds. Market Value Estimates – Instantly view an estimated stamp worth based on recent sales data and expert catalogues. Detailed Profiles – See year, country, print run, and fascinating trivia for millions of stamps. Personal Stamp Collection – Organize, tag, and track every stamp you own right inside the app. Cloud Sync & Backup – Your growing stamp collection stays safe and accessible across iPhone, iPad, and Mac. Smart Search & Filters – Find stamps by country, year, topic, or valueβ€”perfect for large stamp collections. Offline Mode – Identify stamps even when you’re on the go without internet. Community Price Watch – Follow live market trends and watch how stamp worth fluctuates over time. In-Depth Learning – Access articles, videos, and quizzes to master the world of stamps and philately. β–² How It Works Open Stamp Identifier. Point your camera at a stamp or import an image from your gallery. The AI stamp scanner analyzes the design, overprints, and perforations. Get instant results: catalog ID, rarity score, estimated value, and historical context. Save the stamp to your collection or share findings with friends and fellow collectors. β–² Perfect For Beginners starting a new stamp collection. Experienced philatelists verifying rare finds. Dealers needing quick, reliable stamp worth checks. Educators bringing history to life through stamps. β–² Built for Accuracy Our proprietary AI model has been trained on millions of high-resolution images and verified by professional philatelists. Continuous learning means Stamp Identifier gets smarter with every scan. β–² Safe & Private Images are processed securely, and your data is encrypted. You stay in control of your collection at all times. β–² Premium Upgrade (Optional) Unlock unlimited scans, advanced market analytics, and exclusive community events with Stamp Identifier Premium. Download Stamp Identifier now and transform the way you view stamps forever. Whether you’re cataloguing a childhood album or hunting for hidden gems at a flea market, our AI stamp identifier is the ultimate companion for stamp enthusiasts worldwide. Yearly: 24,99 $ Weekly: 4,99 $ (3-Days Free-Trial) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dineswipe.de

About

Modern GB Stamp Decoder

Features
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Scan Β· Decode Β· Collect. Modern GB Stamp Decoder helps you explore modern Great Britain barcoded stamps and keep a digital record of the items you own. Built for collectors of QEII and King Charles III stamps, it brings scanning, the Modern GB digital Catalogue and your own collection together. SCAN AND DECODE Scan a supported stamp's Data Matrix barcode with your camera, or paste the barcode text. No stamp to hand? Open the example decode to see how it works. Read the decoded information alongside matching catalogue details, including face value, colour, issue date, barcode generation date and security overlays where available. YOUR DIGITAL COLLECTION Save your own stamps, booklets and sheets in clearly separated sections. Record the condition and visible characteristics of your copies, with booklet details kept distinct from the stamps inside. Saved observations belong to your collection; they are not replaced by catalogue updates. CATALOGUE AND CHECKLIST Browse the Modern GB digital Catalogue using our own MGB references. Use the separate checklist to see what you have and need, organised by stamps, booklets and other collecting formats. Choose a simple checklist or separate Mint and Used boxes, and search or filter the catalogue to focus on your interests. GUIDED COLLECTOR CHECKS Compare security backing paper using a step-by-step visual guide. Open it from Scan or while recording an item. Use SBP or PB names in Settings, and choose 'I'm not sure' when a characteristic cannot be established. OPTIONAL PRO FEATURES Start with free stamp decoding and save up to 25 collection items. Five free Collector Checks let you try the guided identification tools. An optional Pro subscription adds unlimited collection saves and Collector Checks, enhanced catalogue detail, advanced decoding features, and Stamp card image and print tools. See the in-app purchase screen for prices and subscription terms. ON YOUR DEVICE No collection account is required. Decoding and collection storage work on your device. Use Back up to keep a separate copy of your saved collection. Cloud collection synchronisation is not included in this version. Decoding and catalogue matching provide collecting information, not proof that a stamp is genuine or valid for postage. Some details require you to examine the physical stamp, booklet or sheet. Some images used with permission of Royal Mail Β© 2026. Not a Royal Mail product. Β© 2026 Modern GB Stamps. Privacy policy: https://stampdecoder.app/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stamp Identifier4 screens
Modern GB Stamp Decoder4 screens

Verdict

The call

The clearest difference is update cadence: Modern GB Stamp Decoder at every 9 days against Stamp Identifier's every 3 months. Stamp Identifier's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Stamp Identifier sells 2 in-app purchases, starting at $4.99 per 7 days and Modern GB Stamp Decoder sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Stamp Identifier ships an update every 3 months, Modern GB Stamp Decoder every 9 days. The most recent releases landed on October 28, 2026 and October 23, 2026 respectively.

Scorecard2 real differences Β· 4 level
Stamp Identifier versus Modern GB Stamp Decoder: the parameters behind the verdict, then further details
ParameterStamp IdentifierModern GB Stamp Decoder
PriceFreeFree
Update frequencyEvery 3 monthsEvery 9 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 β€” better15.0
Further details β€” not scored
Size45 MB96 MB
Age rating4+4+
DeveloperManuel WorlitzerModern GB

In-app purchases

2 purchases

Stamp Identifier

Subscriptions2
  • Stamp Identifier Premium3 Days trial$4.997 Days
  • Stamp Identifier Premium$24.991 Year
2 purchases

Modern GB Stamp Decoder

Subscriptions2
  • Pro Core Monthly$0.991 Month
  • Pro Core Annual3 Months trial$9.991 Year

Questions

Is Stamp Identifier free?
Stamp Identifier is free to download, with in-app purchases available.
Is Modern GB Stamp Decoder free?
Modern GB Stamp Decoder is free to download, with in-app purchases available.
Do Stamp Identifier or Modern GB Stamp Decoder have ads?
Neither Stamp Identifier nor Modern GB Stamp Decoder shows ads.
Which is updated more often, Stamp Identifier or Modern GB Stamp Decoder?
Stamp Identifier ships an update every 3 months, and Modern GB Stamp Decoder every 9 days. Most recently, Stamp Identifier was updated on October 28, 2026 and Modern GB Stamp Decoder on October 23, 2026.

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