Stamp Identifier vs Stamp & Postmark Identifier
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stamp Identifier
Instantly identify postage stamps using your camera or an uploaded image. This app helps collectors and enthusiasts learn about stamps, save their identification history, and sync their collection across devices via iCloud.
- Instant stamp identification via camera or photo
- Save and review identification history
- Sync stamp collection with iCloud
- Detailed stamp information
- Suitable for collectors and enthusiasts
Read full descriptionHide full description
Discover the World of Stamps – Instantly. AI Stamp is your all-in-one tool for identifying, learning about, and organizing postage stamps from around the globe. Use your camera or a picture to quickly identify stamps with AI. Perfect for collectors, stamps enthusiasts, and anyone curious about stamps around them. Separate Subscription purchase is needed to use the following features. Features: - Instant Stamp Identification: Take a photo or upload an image to identify stamps quickly and accurately. - Save Identification History: Keep track of all the stamps you've identified. Review your history anytime. - Sync stamp collection using iCloud across all of your devices. Who is AI Stamp for - Collectors - Appraisers - Stamps enthusiasts - Hobbyist Terms of Use: https://aistamp.app/terms/ Privacy Policy: https://aistamp.app/privacy/
Stamp & Postmark Identifier
Instantly identify stamps and postmarks using AI by simply taking a photo. Discover their history, origin, and estimated value. Organize your collection digitally and explore a vast global database.
- Instant stamp and postmark identification via camera
- AI-powered image recognition
- Historical and geographic data insights
- Estimated value and rarity ratings
- Digital collection management
- Global database access
- AI Assistant for queries
Read full descriptionHide full description
Found a stamp or postmark you don’t recognize? Don’t guess. Don’t dig through forums. Just scan it. Postmark Identifier instantly tells you what it is, where it’s from, and what it might be worth — in seconds. Whether it’s a box of old letters, a flea market find, or part of your growing collection, you finally have a fast, reliable way to understand what you’re holding. Core Value: - Turn unknown stamps into organized, valuable collector records. - No spreadsheets. No manual research. No confusion. - Just scan → understand → save → build your collection. What You Can Do: Scan anything instantly Take a photo and get identification in seconds — stamp or postmark. Understand what you found See origin, date, type, rarity signals, and historical context. Know if it’s valuable Get estimated value insights and rarity indicators — without overhyped guesses. Build a real collection Save items, add notes, track condition, organize into collections. Ask questions like a collector Not sure about a mark, route, or detail? Ask the built-in AI assistant. Why This App Exists: Most collectors struggle with: “I don’t know what this stamp/postmark is” “I don’t know if it’s rare or common” “I lose track of what I already scanned” “Research takes too long and is confusing” Postmark Identifier fixes that. It’s not just a scanner it’s your collector workspace. Key Features • Instant stamp & postmark identification • AI-powered recognition from a global dataset • Historical and geographic details • Estimated value & rarity insights • Personal collection management • Notes, condition, and storage tracking • AI assistant for collector questions • Built-in articles and learning content • Works offline for saved data Who It’s For: Serious stamp collectors Casual hobbyists People sorting inherited collections Antique / flea market hunters Anyone curious about postal history Built for Trust: Your collection is stored locally on your device Value insights are estimates, not inflated claims Designed for real collectors — not gimmicks Stop guessing what your stamps are. Scan them. Understand them. Build something valuable. Download Postmark Identifier and turn every find into a real piece of your collection. Terms & conditions: https://www.pixelportllc.com/app/stamp-postmark-identifier/terms Privacy: https://www.pixelportllc.com/app/stamp-postmark-identifier/privacy-policy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Stamp & Postmark Identifier at 100% against Stamp Identifier's 50%. Stamp & Postmark Identifier also leads on rating (4.3 vs 4.0). Stamp Identifier's advantage is update cadence (every 2 months vs every 9 months). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Stamp Identifier sells 2 in-app purchases, starting at $4.99 per 7 days and Stamp & Postmark Identifier sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Stamp & Postmark Identifier holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 50% of Stamp Identifier's written reviews are positive against 100% of Stamp & Postmark Identifier's.
Stamp Identifier ships an update every 2 months, Stamp & Postmark Identifier every 9 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Stamp Identifier | Stamp & Postmark Identifier |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 4.3 (7 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 | 7 — better |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 — better | 18.2 |
| Further details — not scored | ||
| Size | 21 MB | 130 MB |
| Age rating | 4+ | 4+ |
| Developer | Sarun Wongpatcharapakorn | PixelPort LLC |
Customer experience
Stamp Identifier
Stamp & Postmark Identifier
In-app purchases
Stamp Identifier
- Pro: Weekly3 Days trial$4.997 Days
- Pro: Yearly$24.991 Year
Stamp & Postmark Identifier
- Weekly Premium$3.997 Days
- Annual Premium$29.991 Year
Questions
Is Stamp Identifier free?
Is Stamp & Postmark Identifier free?
Which has better reviews, Stamp Identifier or Stamp & Postmark Identifier?
Do Stamp Identifier or Stamp & Postmark Identifier have ads?
Which is updated more often, Stamp Identifier or Stamp & Postmark Identifier?
Other comparisons















