Comparison

StampID vs Postcard Archive

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

Head to head
About

StampID

Instantly identify stamps and estimate their market value using AI. Organize your collection digitally and access a personal philately assistant for historical context and preservation tips. Discover hidden treasures within your stamp albums.

Highlights
  • AI stamp recognition
  • Market value and price estimates
  • Global stamp identification
  • Personal philately assistant
  • Digital stamp album
  • Vintage and modern stamp support
Features
Read full description

Uncover the hidden history and TRUE VALUE of your stamps instantly! StampID transforms your phone into a professional philately expert. Whether you're a seasoned collector, a curious hobbyist, or you just inherited a dusty family album — StampID is the #1 AI-powered stamp identifier and appraisal tool trusted by thousands of philatelists worldwide. Don't let a rare treasure sit unnoticed in a drawer. Scan it. Identify it. Know its worth. WHY COLLECTORS LOVE STAMPID Instant AI stamp recognition — no expertise needed Accurate market value & price estimates Identify rare US, UK, European & Asian postage Personal AI philately assistant (24/7) Beautiful digital album to organize your collection Works with vintage, antique & modern stamps KEY FEATURES PRECISION STAMP SCANNER Just snap a photo. Our advanced AI analyzes every detail — perforations, watermarks, color variations, postmarks — to identify global stamps in seconds. From classic Penny Black to rare Inverted Jenny, StampID recognizes them all. PERSONAL PHILATELY EXPERT Chat with your built-in AI consultant anytime. Ask questions like: "Is this stamp rare or common?" "What's the condition grade?" "How do I preserve this properly?" "What's the historical background?" REAL MARKET VALUE & APPRAISAL Stop guessing what your stamps are worth. Access price references based on current auction results and market data. Discover instantly if you're holding a common piece or a hidden treasure worth thousands. YOUR PERSONAL STAMP CATALOG Build a stunning digital portfolio of every stamp you scan. Organize by country, era, theme, or value. Access your full collection anywhere, anytime — no more messy spreadsheets or paper notes. GLOBAL STAMP DATABASE Identify postage from every corner of the world: United States — Classic & Commemorative United Kingdom — Penny Black, Machin Series Europe — France, Germany, Italy, Spain Asia — China, Japan, India Vintage Soviet, Colonial & rare regional issues WHY CHOOSE STAMPID? Speed — AI identification in under 3 seconds Accuracy — Trained on millions of stamp images Expertise — A professional philatelist in your pocket Simplicity — Clean, intuitive design for all levels Privacy — Your collection stays yours, always WHO IS STAMPID FOR? Stamp collectors & philatelists Antique & vintage hobbyists Estate appraisers & resellers Anyone who inherited an old stamp album Curious minds exploring the history of postage STAMPID PRO — UNLIMITED ACCESS StampID is FREE to download and try. Upgrade to StampID Pro to unlock: Unlimited stamp scanning Premium AI Chatbot access Detailed market value reports Advanced collection management Priority identification engine Don't let a valuable stamp go unnoticed in your album. Whether it's a forgotten letter from your grandfather or a postcard found at a flea market — that little piece of paper could be worth a fortune. Download StampID today and start collecting like a pro! Privacy Policy: http://nexdev.tilda.ws/stampid/privacypolicy Terms of Service: http://nexdev.tilda.ws/stampid/terms Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Postcard Archive

A private, offline digital catalog for postcard collectors. It allows you to photograph both sides of your cards, automatically extract information from handwritten messages using on-device OCR, and classify the card's era. Organize your entire collection with detailed fields and explore it through various browsing and search options.

Highlights
  • Two-sided card capture
  • On-device OCR for handwritten messages
  • Automatic era classification
  • Detailed collection record fields
  • Relationship Timeline
  • Offline, private storage
  • CSV/JSON archive export
Features
Read full description

Your Private Postcard Archive Add front and back photos, location, stamps, postmarks, and notes — all kept private on your device. • Use era and back-of-card cues to finish research without uploading your archive • Map origins, track wants, make trade sheets, and export the full collection • Places map — see every origin and destination plotted across the world • Wishlist — track the cards you're still hunting, separate from your collection • Collector Trade Sheet — export your tradeables & duplicates Keep both sides together, find each card’s album or box, and catalog a stack at a time. Read text on your device with selectable writing systems and editable results. Move or restore your collection between iOS and Android with JSON ZIP archives, preserving images and details. Imports support up to 256 MB and keep existing cards. Your archive stays on your device. No accounts, no cloud, no analytics, no tracking. Start with 3 days of full access to Places, Wishlist, Era Reports, and Trade Sheets. After that, a one-time purchase keeps them available. No subscription. One-time purchase. No subscription. Family Sharing enabled.

Screenshots

StampID4 screens
Postcard Archive4 screens

Verdict

The call

The clearest difference is rating: Postcard Archive at 5.0 against StampID's 3.0. Postcard Archive also leads on monetization model (free vs free with in-app purchases) and update cadence (every 5 days vs every 2 weeks). StampID's advantage is iOS requirement (15.0 vs 18.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. StampID sells 2 in-app purchases, starting at $1.99 per 7 days and Postcard Archive sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Postcard Archive holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

StampID ships an update every 2 weeks, Postcard Archive every 5 days. Both last shipped on October 28, 2026.

Scorecard4 real differences · 5 level
StampID versus Postcard Archive: the parameters behind the verdict, then further details
ParameterStampIDPostcard Archive
PriceFreeFree
Rating3.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better18.0
Further details — not scored
Size86 MB87 MB
Age rating4+4+
DeveloperYunus Emre UsluRizk Corsight, LLC

Customer experience

StampID

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%

Postcard Archive

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

StampID

Subscriptions1
  • Weekly$1.997 Days
One-time1
  • Lifetime$29.99
3 purchases

Postcard Archive

One-time3
  • 3-Day TrialFree
  • Postcard Archive Pro$1.99
  • Postcard Archive Full Access$1.99

Questions

Is StampID free?
StampID is free to download, with in-app purchases available.
Is Postcard Archive free?
Postcard Archive is free to download, with in-app purchases available.
Which has better reviews, StampID or Postcard Archive?
Postcard Archive is rated higher. StampID averages 3.0 out of 5 from 1 ratings, while Postcard Archive averages 5.0 from 1 ratings.
Do StampID or Postcard Archive have ads?
Neither StampID nor Postcard Archive shows ads.
Which is updated more often, StampID or Postcard Archive?
StampID ships an update every 2 weeks, and Postcard Archive every 5 days. Most recently, StampID was updated on October 28, 2026 and Postcard Archive on October 28, 2026.

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