Stamp Identifier & Snap ID vs Postcard Archive
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stamp Identifier & Snap ID
Instantly identify stamps using AI, verify authenticity, and discover their historical significance and market value. Organize your collection and chat with an AI expert about stamp details.
- AI stamp identification
- Authenticity verification
- Historical significance discovery
- Market value estimation
- Stamp collection organization
- AI chat for stamp details
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Whether it's an inherited stamp collection, rare finds at a garage sale, or postal history mysteries - your expert philatelist reveals the history and value of stamps instantly. Use it when examining collections, browsing estate sales, or organizing inherited items - you never know what postal treasures you might uncover! • Identify stamps with AI technology • Get instant authenticity verification • Discover historical significance and stories • Estimate market value and rarity • Save and organize stamps into collections • Chat with AI about stamp details! Your smart stamp expert is always in your pocket - one of the best apps for stamp identification. Start exploring postal history with every identification. Download today! Pro Options Available • Weekly • Annual Subscriptions will be charged to your iTunes account. For weekly or annual subscriptions, your account will automatically renew 24 hours before the end of the current period unless auto-renew is turned off. You can manage or cancel your subscription at any time in your App Store account settings. Privacy Policy: [https://kalo.super.site/stamp/privacy-policy] Terms of Use: [https://kalo.super.site/stamp/terms-of-use]
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.
- 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
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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
Verdict
The clearest difference is rating: Postcard Archive at 5.0 against Stamp Identifier & Snap ID's 4.6. Postcard Archive also leads on monetization model (free vs freemium) and update cadence (every 5 days vs every 4 weeks). Stamp Identifier & Snap ID's advantage is ratings volume (22 vs 1). On price, ads, in-app purchases 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
Both are free to download. Stamp Identifier & Snap ID sells 3 in-app purchases, starting at $3.99 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.
Postcard Archive holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Stamp Identifier & Snap ID has 22 ratings behind it against 1, so its average is the more settled of the two.
Stamp Identifier & Snap ID ships an update every 4 weeks, Postcard Archive every 5 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Stamp Identifier & Snap ID | Postcard Archive |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (22 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 22 — better | 1 |
| Update frequency | Every 4 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 17 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | 升 徐 | Rizk Corsight, LLC |
Customer experience
Stamp Identifier & Snap ID
Postcard Archive
In-app purchases
Stamp Identifier & Snap ID
- Weekly3 Days trial$3.997 Days
- Annual$24.991 Year
- Lifetime$29.99
Postcard Archive
- 3-Day TrialFree
- Postcard Archive Pro$1.99
- Postcard Archive Full Access$1.99
Questions
Is Stamp Identifier & Snap ID free?
Is Postcard Archive free?
Which has better reviews, Stamp Identifier & Snap ID or Postcard Archive?
Do Stamp Identifier & Snap ID or Postcard Archive have ads?
Which is updated more often, Stamp Identifier & Snap ID or Postcard Archive?
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