# StampRef vs AI Fish Identifier

The clearest difference is iOS requirement: StampRef at 13.0 against AI Fish Identifier's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StampRef sells 3 in-app purchases, starting at $4.99 per 7 days and AI Fish Identifier sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

StampRef ships an update every 3 weeks, AI Fish Identifier every 11 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | StampRef | AI Fish Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/ai-fish-identifier-scanner/id6761659660/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 140 MB | 48 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Victor Pham](https://appshunter.io/developer/1882301002) | [Daniel Shtepu](https://appshunter.io/developer/1859046917) |

## What reviewers say

### StampRef

[App page](https://appshunter.io/ios/app/stampref-stamp-identifier/id6760886317)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $8.99 | per month |
| Yearly Premium | $59.99 | per year |


### AI Fish Identifier

[App page](https://appshunter.io/ios/app/ai-fish-identifier-scanner/id6761659660)

Instantly identify fish species using AI by taking a photo or uploading an image. Access an extensive database, track your catches, and explore marine life with a fast, reliable, and user-friendly tool.

**Highlights:** AI Fish Identification, Extensive Fish Database, Catch Tracking, Fast and Easy to Use, Clean Interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $2.99 | per 7 days |
| Yearly Access | $25.99 | per year |


## Frequently asked questions

### Is StampRef free?

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

### Is AI Fish Identifier free?

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

### Do StampRef or AI Fish Identifier have ads?

Neither StampRef nor AI Fish Identifier shows ads.

### Which is updated more often, StampRef or AI Fish Identifier?

StampRef ships an update every 3 weeks, and AI Fish Identifier every 11 days. Most recently, StampRef was updated on October 10, 2026 and AI Fish Identifier on October 16, 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.*