# Stamp Identifier vs Stamp Identifier

The clearest difference is rating: Stamp Identifier at 5.0 against Stamp Identifier's 4.0. Stamp Identifier also leads on iOS requirement (15.6 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Stamp Identifier sells 3 in-app purchases, starting at $3.99 per 7 days and Stamp Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Stamp Identifier holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

Stamp Identifier ships an update every 6 months, Stamp Identifier every 3 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Stamp Identifier | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stamp-identifier-postage-id/id6741527232/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/stamp-identifier-aistamp/id6745809307/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 22 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kofi Austin](https://appshunter.io/developer/1495016623) | [Sarun Wongpatcharapakorn](https://appshunter.io/developer/469774500) |

## What reviewers say

### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-postage-id/id6741527232)

Instantly identify stamps by scanning them with your phone. Discover historical details, get price estimates, and organize your entire stamp collection. Perfect for both new and experienced collectors.

**Highlights:** Scan and identify stamps instantly, Uncover stamp history and origin, Get price estimates for stamps, Organize personal stamp collections, Track valuable stamp finds

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Weekly | $3.99 | per 7 days |
| Unlimited Yearly | $29.99 | per year |
| Black Friday Deal Lifetime Access | $39.99 | one-time |


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-aistamp/id6745809307)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro: Weekly | $4.99 | per 7 days |
| Pro: Yearly | $24.99 | per year |


## Frequently asked questions

### Is Stamp Identifier free?

Stamp Identifier is free to download, with in-app purchases available.

### Is Stamp Identifier free?

Stamp Identifier is free to download, with in-app purchases available.

### Which has better reviews, Stamp Identifier or Stamp Identifier?

Stamp Identifier is rated higher. Stamp Identifier averages 5.0 out of 5 from 4 ratings, while Stamp Identifier averages 4.0 from 4 ratings.

### Do Stamp Identifier or Stamp Identifier have ads?

Neither Stamp Identifier nor Stamp Identifier shows ads.

### Which is updated more often, Stamp Identifier or Stamp Identifier?

Stamp Identifier ships an update every 6 months, and Stamp Identifier every 3 months. Most recently, Stamp Identifier was updated on September 19, 2026 and Stamp Identifier on September 8, 2026.

---

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