# Fatty Cat! vs 倒数321

Fatty Cat! and 倒数321 both sit at 4.8 stars, but that hides the real split: 75% of Fatty Cat!'s written reviews are positive against 50% of 倒数321's. Fatty Cat! also leads on ratings volume (409 vs 35) and iOS requirement (12.0 vs 14.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Fatty Cat! sells 4 one-off in-app purchases and 倒数321 sells 17 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Fatty Cat! against 4.6 for 倒数321. That said, the two scores are not equally well evidenced: Fatty Cat! has 409 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 75% of Fatty Cat!'s written reviews are positive against 50% of 倒数321's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fatty Cat! | 倒数321 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (409 ratings)](https://appshunter.io/ios/app/fatty-cat-study-companion/id1458862121/reviews)** | [4.6 (35 ratings)](https://appshunter.io/ios/app/321/id1596420055/reviews) |
| Number of ratings | **409** | 35 |
| Positive reviews | **74.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 207 MB | 93 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michele Marrazzo](https://appshunter.io/developer/1458862120) | [MiaoA Technology Co., Ltd.](https://appshunter.io/developer/1596420057) |

## 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)


### 倒数321

[App page](https://appshunter.io/ios/app/321/id1596420055)

This app helps you track important dates with countdowns and reminders. It supports various events like anniversaries, birthdays, holidays, and tasks, offering personalized widgets and cute pet guardians to enhance your experience.

**Highlights:** Countdown and count-up for important dates, Reminders for anniversaries, birthdays, and holidays, Customizable widgets and desktop icons, Photo sharing with friends via widgets, Support for Lunar calendar events, Event categorization and prioritization, Cute pet guardians for events

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 倒数321连续包月优惠 | $0.99 | per month |
| 倒数321连续包月促销 | $1.99 | per month |
| 倒数321月份会员促销 | $2.99 | one-time |
| 倒数321永久会员限时促销 | $2.99 | one-time |
| 倒数321年会员促销 | $3.99 | one-time |
| 倒数321月份会员 | $3.99 | one-time |
| 倒数321永久会员特惠促销 | $3.99 | one-time |
| 倒数321永久会员1折促销 | $3.99 | one-time |
| 倒数321包月会员 | $3.99 | one-time |
| 倒数321包月会员优惠 | $4.99 | one-time |
| 倒数321永久会员限时优惠 | $4.99 | one-time |
| 倒数321永久会员 | $5.99 | one-time |
| 倒数321包月会员促销 | $5.99 | one-time |
| 倒数321年会员 | $9.99 | one-time |
| 倒数321包年会员优惠 | $14.99 | one-time |
| 倒数321包年会员促销 | $14.99 | one-time |
| 倒数321永久会员 | $39.99 | one-time |


## Frequently asked questions

### Is Fatty Cat! free?

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

### Is 倒数321 free?

倒数321 is free to download, with in-app purchases available.

### Which has better reviews, Fatty Cat! or 倒数321?

Fatty Cat! is rated higher. Fatty Cat! averages 4.8 out of 5 from 409 ratings, while 倒数321 averages 4.6 from 35 ratings.

### Do Fatty Cat! or 倒数321 have ads?

Neither Fatty Cat! nor 倒数321 shows ads.

### Which is updated more often, Fatty Cat! or 倒数321?

Fatty Cat! ships an update monthly, and 倒数321 monthly. Most recently, Fatty Cat! was updated on October 29, 2026 and 倒数321 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.*