# Fatty Cat! vs 番鱼

The clearest difference is review sentiment: Fatty Cat! at 75% against 番鱼's 0%. Fatty Cat! also leads on rating (4.7 vs 3.0) and ads (none vs shown). 番鱼's advantage is update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Fatty Cat! sells 4 one-off in-app purchases and 番鱼 sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Fatty Cat! holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Fatty Cat! has 407 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Fatty Cat!'s written reviews are positive against 0% of 番鱼's.

Fatty Cat! ships an update monthly, 番鱼 weekly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Fatty Cat! | 番鱼 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (407 ratings)](https://appshunter.io/ios/app/fatty-cat-study-companion/id1458862121/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/id1528294921/reviews) |
| Number of ratings | **407** | 1 |
| Positive reviews | **74.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 207 MB | 423 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Michele Marrazzo](https://appshunter.io/developer/1458862120) | [北京社科赛斯教育科技有限公司](https://appshunter.io/developer/1019393129) |

## What reviewers say

### Fatty Cat!

[App page](https://appshunter.io/ios/app/fatty-cat-study-companion/id1458862121)

This app transforms study sessions into an engaging adventure with an interactive cat companion. Earn coins, customize your cat and environment, and track progress to improve study habits. Features include immersive mode and white noise for enhanced focus.

**Highlights:** Virtual cat study companion, Interactive study sessions, Customization shop, Goals and statistics tracking, Immersive mode, White noise support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Purse | $0.99 | one-time |
| Coin Bag | $2.99 | one-time |
| Fatty Cat! Premium | $2.99 | one-time |
| Coin Chest | $4.99 | one-time |

**What reviewers like**

- 😻 Cute and adorable design
- 👍 Minimalist and user-friendly interface
- 🐈 Motivating to keep cat alive
- 📱 Effective phone locking for focus
- 💖 Interactive and engaging experience

**What reviewers complain about**

- 💰 Requires payment for full features
- 🔔 Timer alerts too short/unreliable
- ⏳ Study time invalidated on exit
- 💀 Cats die unexpectedly, causing demotivation
- 🚫 Lack of developer support for issues

**Reported bugs**

- Timer alerts too short and can be missed
- Study time invalidated when exiting the app
- Cats dying unexpectedly without clear reason
- Lack of developer response to support emails
- Screen turns off if not touched during study session

**Requested features**

- Continue ringing/vibrating until stopped
- Stopwatch mode
- Widgets for data display
- Premium charts with color-coded study types
- Adjustable UI (black and white option)


### 番鱼

[App page](https://appshunter.io/ios/app/id1528294921)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4番币 | $0.99 | one-time |
| 12番币 | $2.99 | one-time |
| 32番币 | $6.99 | one-time |
| 48番币 | $9.99 | one-time |
| 69番币 | $14.99 | one-time |
| 139番币 | $29.99 | one-time |


## Frequently asked questions

### Is Fatty Cat! free?

Fatty Cat! is free to download, with in-app purchases available.

### Is 番鱼 free?

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

### Which has better reviews, Fatty Cat! or 番鱼?

Fatty Cat! is rated higher. Fatty Cat! averages 4.7 out of 5 from 407 ratings, while 番鱼 averages 3.0 from 1 ratings.

### Do Fatty Cat! or 番鱼 have ads?

番鱼 shows ads; Fatty Cat! does not.

### Which is updated more often, Fatty Cat! or 番鱼?

Fatty Cat! ships an update monthly, and 番鱼 weekly. Most recently, Fatty Cat! was updated on October 24, 2026 and 番鱼 on October 21, 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.*