# StampID vs Postcard Archive

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.

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.

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.

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

## The numbers

| Metric | StampID | Postcard Archive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/stampid-stamp-scanner-value/id6758164146/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/postcard-archive/id6768242841/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 86 MB | 87 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Yunus Emre Uslu](https://appshunter.io/developer/1793326858) | [Rizk Corsight, LLC](https://appshunter.io/developer/1896065289) |

## What reviewers say

### StampID

[App page](https://appshunter.io/ios/app/stampid-stamp-scanner-value/id6758164146)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Lifetime | $29.99 | one-time |


### Postcard Archive

[App page](https://appshunter.io/ios/app/postcard-archive/id6768242841)

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:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | Free | one-time |
| Postcard Archive Pro | $1.99 | one-time |
| Postcard Archive Full Access | $1.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*