# Fatty Cat! vs Thiro

The clearest difference is ratings volume: Fatty Cat! at 409 against Thiro's 50. Fatty Cat! also leads on iOS requirement (12.0 vs 14.0). Thiro's advantage is review sentiment (83% vs 75%) and device support (5 vs 3). 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 Thiro sells 1 one-off in-app purchase. 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 4.8 for Thiro. That said, the two scores are not equally well evidenced: Fatty Cat! has 409 ratings behind it against 50, 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 83% of Thiro's.

Fatty Cat! ships an update monthly, Thiro every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Fatty Cat! | Thiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (409 ratings)](https://appshunter.io/ios/app/fatty-cat-study-companion/id1458862121/reviews) | **[4.8 (50 ratings)](https://appshunter.io/ios/app/thiro/id1555982483/reviews)** |
| Number of ratings | **409** | 50 |
| Positive reviews | 74.5% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 207 MB | 63 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Michele Marrazzo](https://appshunter.io/developer/1458862120) | [博宇 秦](https://appshunter.io/developer/1555978498) |

## 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)


### Thiro

[App page](https://appshunter.io/ios/app/thiro/id1555982483)

This app helps you concentrate on your work and study by providing a focus timer and time tracking for each task. Set goals, manage tasks in groups, and view detailed statistics to improve your productivity. It syncs seamlessly across all your Apple devices.

**Highlights:** Focus timer, Time tracking, Task management, Goal setting, Cross-device sync, Detailed statistics, Customizable appearance

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thiro Pro | $1.99 | one-time |

**What reviewers like**

- 👍 Clean and simple UI
- 👍 Easy to use
- 👍 Good statistics
- 👍 Worth the price (one-time purchase)
- 👍 Minimalist design

**What reviewers complain about**

- 🐛 Sync issues
- 🐛 Widget not always functional
- 🐛 App not updating
- 🐛 Duplicate time entries
- 🐛 Pomodoro functionality issues

**Reported bugs**

- Widget not functional/failing
- Not registering elapsed time
- Multiple windows opening automatically
- iCloud not syncing
- Duplicate time entries

**Requested features**

- Assign fixed color to each task
- Add default countdown mode
- Create an app for habit tracking with streaks
- Allow selection of which counter on the main screen for widget
- Add Pomodoro timer functionality


## Frequently asked questions

### Is Fatty Cat! free?

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

### Is Thiro free?

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

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

Thiro is rated higher. Fatty Cat! averages 4.8 out of 5 from 409 ratings, while Thiro averages 4.8 from 50 ratings.

### Do Fatty Cat! or Thiro have ads?

Neither Fatty Cat! nor Thiro shows ads.

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

Fatty Cat! ships an update monthly, and Thiro every 5 weeks. Most recently, Fatty Cat! was updated on November 3, 2026 and Thiro on November 3, 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.*