# Cat on a Diet vs Image Brain

The clearest difference is in-app purchases: Image Brain at none against Cat on a Diet's 10. Image Brain also leads on price ($2.99 vs $3.99). Cat on a Diet's advantage is update cadence (every 6 weeks vs every 7 months) and iOS requirement (9.0 vs 11.0). On ads and device support there is nothing between them.

Cat on a Diet costs $3.99 and Image Brain $2.99 up front. Cat on a Diet sells 10 one-off in-app purchases. Image Brain asks for nothing beyond the download.

Cat on a Diet ships an update every 6 weeks, Image Brain every 7 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Cat on a Diet | Image Brain |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.5 (57 ratings)](https://appshunter.io/ios/app/cat-on-a-diet/id665828708/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 85.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 12 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NAWIA GAMES Sp. z o.o.](https://appshunter.io/developer/325378464) | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) |

## What reviewers say

### Cat on a Diet

[App page](https://appshunter.io/ios/app/cat-on-a-diet/id665828708)

Guide a chubby cat through over 90 physics-based puzzles to reach the cookie jar. Use various tools and methods to overcome obstacles, explore five unique worlds, and collect snacks to unlock power-ups and accessories for your feline friend.

**Highlights:** Physics-based puzzles, Over 90 challenging levels, Explore five unique worlds, Unlock power-ups and accessories, Customize your cat with hats and masks

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Pack of Muffin Magnet | $0.99 | one-time |
| Basic Pack of Soap Bubble | $0.99 | one-time |
| Basic Pack of Force Field | $0.99 | one-time |
| Unlock All Rooms and Costumes | $1.99 | one-time |
| Mega Pack of Muffin Magnet | $2.99 | one-time |
| Mega Pack of Soap Bubble | $2.99 | one-time |
| Mega Pack of Force Field | $2.99 | one-time |
| Ultra Pack of Muffin Magnet | $4.99 | one-time |
| Ultra Pack of Soap Bubble | $4.99 | one-time |
| Ultra Pack of Force Field | $4.99 | one-time |


### Image Brain

[App page](https://appshunter.io/ios/app/image-brain/id6479590387)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cat on a Diet free?

Cat on a Diet costs $3.99, and also offers in-app purchases.

### Is Image Brain free?

Image Brain costs $2.99, with no in-app purchases.

### Do Cat on a Diet or Image Brain have ads?

Neither Cat on a Diet nor Image Brain shows ads.

### Which is updated more often, Cat on a Diet or Image Brain?

Cat on a Diet ships an update every 6 weeks, and Image Brain every 7 months. Most recently, Cat on a Diet was updated on October 24, 2026 and Image Brain on October 27, 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.*