# MyFishBook vs Gas*Blender

The clearest difference is price: MyFishBook at Free against Gas*Blender's $2.99. MyFishBook also leads on iOS requirement (6.0 vs 26.0). Gas*Blender's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

MyFishBook is free to download; Gas*Blender costs $2.99 up front. MyFishBook sells 1 one-off in-app purchase. Gas*Blender asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MyFishBook | Gas*Blender |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/myfishbook/id436199635/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 4 MB |
| Requires iOS | **6.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beling.pl](https://appshunter.io/developer/409891095) | [Martin Schyth](https://appshunter.io/developer/496853774) |

## What reviewers say

### MyFishBook

[App page](https://appshunter.io/ios/app/myfishbook/id436199635)

This app provides a comprehensive list of protected fish species in Poland, including detailed information on their protection status and over 150 images. It allows users to log their catches with photos and details, and works offline.

**Highlights:** List of protected fish in Poland, Protection status information, Over 150 fish images, Offline functionality, Catch logging with details, Links to external resources

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable ads | $1.99 | one-time |


### Gas*Blender

[App page](https://appshunter.io/ios/app/gasblender/id496853771)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MyFishBook free?

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

### Is Gas*Blender free?

Gas*Blender costs $2.99, with no in-app purchases.

### Do MyFishBook or Gas*Blender have ads?

Neither MyFishBook nor Gas*Blender shows ads.

### Which is updated more often, MyFishBook or Gas*Blender?

MyFishBook ships an update every 3 months, and Gas*Blender every 3 months. Most recently, MyFishBook was updated on October 23, 2026 and Gas*Blender on October 24, 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.*