Fatty Cat! vs Thiro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fatty Cat!
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.
- Virtual cat study companion
- Interactive study sessions
- Customization shop
- Goals and statistics tracking
- Immersive mode
- White noise support
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Step into the enchanting world of Fatty Cat, your unmistakable study buddy that turns the mundane study routine into an irresistible adventure! Studying has never been this fun, thanks to this adorable cat that will guide you through every step of your study day. • Your Study, His Well-being: Fatty Cat is not just a cute cat; he's the living representation of your dedication to studying. Keep your kitty in tip-top shape by feeding him with regular study sessions. His health reflects your discipline, so be the best student to see your feline friend thrive! • Interactive Study Sessions: Initiate a new study session and immerse yourself in the colorful world of Fatty Cat! Feed him during breaks and earn coins for exclusive customizations. Complete all four bowls for a successful party and impeccable study routine! • Unique, Hand-Drawn Style: Enjoy an original and unique hand-drawn style with love. Fatty Cat boasts over 20 adorable animations to express his emotions. Interact with him through fun gestures and watch how he reacts to your actions! • Goals, Records, and Statistics: Challenge yourself to unlock secret goals, surpass your records, and monitor your weekly statistics to consistently improve your study routine. The Guinness Cat Record awaits to immortalize your achievements! • Immersive Mode and White Noise: Maximize your focus with the immersive mode and support for white noise. Eliminate distractions and fully immerse yourself in your studies with the help of your beloved Fatty Cat! • Limitless Customization: Unleash your creativity in the Shop, where you can customize not only Fatty Cat but also the entire app experience! Purchase new looks, delicious foods, and colorful backgrounds to make every study session unique and enjoyable. Prepare your study routine and make Fatty Cat your educational adventure companion. Download the app today and transform your study time into an irresistible experience!
Thiro
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.
- Focus timer
- Time tracking
- Task management
- Goal setting
- Cross-device sync
- Detailed statistics
- Customizable appearance
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Thiro is a focus timer that helps you focus on everything you do. It helps you concentrate on tasks in your study and work by tracking the time you spend on each task. STAY FOCUSED: - Keep track of each of your focus sessions as a timer or manually add a period of focus time. - Set daily/monthly/yearly goals for your tasks and keep moving forward. - Set countdown notification for every focusing session. - Manage tasks in groups to keep everything in order. - Archive finished tasks to help you focus more on your work or study at the moment. - View detailed statistics of your time distribution. FOCUS EVERYWHERE: - Seamlessly use Thiro on your iPhone, iPad, Apple Watch and Mac. Sync across all your devices using iCloud. - Just start a focus session on one of your devices, and it will be seamlessly synced to all your devices. MORE THOUGHTFUL FEATURES: - Night-owl Mode: Records between 0:00 and 4:00 will be counted in the previous day's statistics. Statistics will not be interrupted even if you stay up late working or studying. - Zen Mode: Accompany your work or study as a desktop clock. - Notes: Jot down your ideas after finishing a session. - Custom Appearance: Change theme and chart colors. - Turn over to Start: Turn the phone over to start a focus session. - Widgets: View your statistics on the home screen. - Siri & Shortcuts: Track your focus in a more automated way.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Fatty Cat! | Thiro |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (409 ratings) | 4.8 (50 ratings) — better |
| Positive reviews | 74.5% of reviews | 83.3% of reviews — better |
| Number of ratings | 409 — better | 50 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 207 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Michele Marrazzo | 博宇 秦 |
Customer experience
Fatty Cat!
Thiro
User reviews
Fatty Cat!
From 409 App Store ratingsWhat we love
- 😻 Cute and adorable design
- 👍 Minimalist and user-friendly interface
- 🐈 Motivating to keep cat alive
- 📱 Effective phone locking for focus
- 💖 Interactive and engaging experience
Room to improve
- 💰 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
Thiro
From 50 App Store ratingsWhat we love
- 👍 Clean and simple UI
- 👍 Easy to use
- 👍 Good statistics
- 👍 Worth the price (one-time purchase)
- 👍 Minimalist design
Room to improve
- 🐛 Sync issues
- 🐛 Widget not always functional
- 🐛 App not updating
- 🐛 Duplicate time entries
- 🐛 Pomodoro functionality issues
Bugs and requests
Fatty Cat!
Reported bugs
12 issues- 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
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- Time zone issues causing sessions to be calculated to the next day
- Incorrect display of study time ('Error Time!')
- Discrepancies between bowls eaten and displayed
- Bluetooth speaker interaction failing study sessions
- Time pausing when phone is face down
- iPad version overriding iPhone data causing cat death
- Sound notifications not working when app is in background
Requested features
16 requests- Continue ringing/vibrating until stopped
- Stopwatch mode
- Widgets for data display
- Premium charts with color-coded study types
- Adjustable UI (black and white option)
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- More freedom in modifying study length (e.g., 50min minimum)
- Ability to feed cat more than four times a day
- Earn cat drawings over time instead of with premium
- Option to count excess time
- Daily reset for tracking
- More achievements
- Ability to navigate back to main screen and save current progress
- Premium content accessible to free users as rewards
- Multiple cats for different subjects
- Colored cats as premium option
- Language selection independent of system language
Thiro
Reported bugs
16 issues- Widget not functional/failing
- Not registering elapsed time
- Multiple windows opening automatically
- iCloud not syncing
- Duplicate time entries
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- Timer continues indefinitely
- Configurations in blocks of 5 minutes
- iCloud sync issues (conflicts, not syncing)
- Widget update not working well
- Default task becomes focused task
- Adding new tasks creates duplicates
- Stopping timer shows duplicate window
- Cloud sync not working
- Cannot modify focused time
- Cannot press buttons in the app
- Failed to purchase Pro version
Requested features
44 requests- 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
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- Allow custom break lengths
- Add countdown timer as an option
- Ability to change or turn off picture on timer
- Duplicating tasks/task groups
- Link colors on diagram to task colors
- Add focus timer and show on menu bar
- Add Siri shortcuts/API
- Hide docker icon
- Add custom images for cover illustrations
- Add end-of-task sound
- Add light pink theme
- Allow modification of completed task times
- Add more functions
- Add more cover illustrations
- Add task end sound
- Add countdown timer mode
- Add habit tracking features
- Add custom break lengths
- Add countdown timer option
- Add custom timer background
- Add option to duplicate tasks
- Link task colors to diagram colors
- Add focus timer to menu bar
- Add Siri shortcuts integration
- Allow hiding of dock icon
- Allow custom cover images
- Add task completion sound
- Add countdown timer mode
- Add habit tracking features
- Add custom break lengths
- Add countdown timer option
- Add custom timer background
- Add option to duplicate tasks
- Link task colors to diagram colors
- Add focus timer to menu bar
- Add Siri shortcuts integration
- Allow hiding of dock icon
- Allow custom cover images
- Add task completion sound
In-app purchases
Fatty Cat!
- Coin Purse$0.99
- Coin Bag$2.99
- Fatty Cat! Premium$2.99
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- Coin Chest$4.99
Thiro
- Thiro Pro$1.99









