# Testy vs Stamp Identifier

The clearest difference is update cadence: Stamp Identifier at every 3 months against Testy's every 13 months. Testy's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Testy sells 4 one-off in-app purchases 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.

Testy ships an update every 13 months, Stamp Identifier every 3 months. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Testy | Stamp Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/stamp-identifier-ai-scanner/id6737816855/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 32 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Foxtrot Technologies s.r.o.](https://appshunter.io/developer/1048900609) | [Semen Sharyhin](https://appshunter.io/developer/1463206827) |

## What reviewers say

### Testy

[App page](https://appshunter.io/ios/app/testy/id1048900610)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VMP S (2015) | $1.99 | one-time |
| VMP M (2015) | $2.99 | one-time |
| VMP C (2015) | $2.99 | one-time |
| Bundle VMP (2015) | $6.99 | one-time |


### Stamp Identifier

[App page](https://appshunter.io/ios/app/stamp-identifier-ai-scanner/id6737816855)

Instantly identify fish species with AI. Upload a photo or take a new one to get accurate results and detailed information. Perfect for anglers, researchers, and nature enthusiasts.

**Highlights:** AI-powered identification, Photo upload for analysis, Detailed species information, Vast fish database, Ideal for anglers and researchers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamp Identifier Premium Week | $4.99 | per 7 days |
| Stamp Identifier Premium Year | $24.99 | per year |


## Frequently asked questions

### Is Testy free?

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

### Is Stamp Identifier free?

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

### Do Testy or Stamp Identifier have ads?

Neither Testy nor Stamp Identifier shows ads.

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

Testy ships an update every 13 months, and Stamp Identifier every 3 months. Most recently, Testy was updated on October 18, 2026 and Stamp Identifier on October 13, 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.*