Brain It On! vs Fat Slice 2
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Brain It On!
Engage your mind with tricky physics puzzles. Draw shapes to find creative solutions to increasingly difficult challenges. Compete with friends and discover multiple ways to solve each puzzle.
- Dozens of brain-busting puzzles
- Puzzles added regularly
- Compete with friends
- Multiple solutions per puzzle
- Share unique solutions
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Deceptively challenging puzzles for your brain! Draw shapes to solve challenging physics puzzles. They're not as easy as they look. Care to give one a try? ◆ Dozens of brain busting puzzles, with more being added all the time ◆ Compete with your friends for the Brain It On! crown ◆ Multiple ways to solve each puzzle, can you find the best solution? ◆ Share your unique solutions and compare with your friends If you like this game, please rate it and leave a comment. As a tiny indie developer your support is greatly appreciated. Thank you for your help! If you don't like something in the game, please email me at support@orbitalnine.com and tell me why. I want to hear your feedback and comments so I can continue to make this game better. Follow @orbitalnine on Twitter for all the latest news and updates on this game and upcoming releases. Like the game on Facebook: facebook.com/OrbitalNine Visit online at: orbitalnine.com I hope you enjoy Brain It On!
Fat Slice 2
A touch-based puzzle game where you slice shapes to meet a target size while avoiding obstacles. Compete with friends and aim for high scores on the leaderboard. Unlock new levels and achievements as you progress.
- Touch screen swiping gameplay
- Slice shapes to reach goal size
- Avoid bouncing balls and bombs
- 21 free levels plus bonus levels
- 40 paid levels including Gauntlet and Infinite Mode
- Achievements and leaderboards
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Touch screen swiping puzzle fun! Slice up shapes with your finger, reach the goal size, avoid bouncing balls, bombs and impenetrable walls. Better your score, post to the leaderboard and challenge your friends. Features; 21 Free levels + 3 Bonus levels 40 Paid levels incl. Gauntlet and Infinite Mode 8 Achievements + Leaderboards
Screenshots
Verdict
The clearest difference is ads: Fat Slice 2 at none against Brain It On!'s shown. Fat Slice 2 also leads on update cadence (every 8 days vs every 3 weeks) and iOS requirement (8.0 vs 15.0). Brain It On!'s advantage is review sentiment (81% vs 50%) and ratings volume (5.1K vs 7). On price, rating, in-app purchases and monetization model 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. Brain It On! sells 9 one-off in-app purchases and Fat Slice 2 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 — 4.5 for Brain It On! against 4.6 for Fat Slice 2. That said, the two scores are not equally well evidenced: Brain It On! has 5.1K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 81% of Brain It On!'s written reviews are positive against 50% of Fat Slice 2's.
Brain It On! ships an update every 3 weeks, Fat Slice 2 every 8 days. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.
| Parameter | Brain It On! | Fat Slice 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (5.1K ratings) | 4.6 (7 ratings) — better |
| Positive reviews | 81.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 5.1K — better | 7 |
| Update frequency | Every 3 weeks | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 191 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Orbital Nine Games Inc | ChewOnGlass.com |
Customer experience
Brain It On!
Fat Slice 2
Bugs and requests
Brain It On!
Reported bugs
4 issues- Level selector not working past level 220
- Inability to draw near screen edges due to OS gestures
- Hint videos not always helpful
- In-app purchases not working as expected
Requested features
5 requests- More levels
- Level editor to create custom puzzles
- Ability to save progress
- Improved drawing controls
- Better hints and guidance
Fat Slice 2
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Brain It On!
- Remove Popup Ads$0.99
- The Full Game (75% off)$0.99
- Coin Pack$0.99
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- The Full Game (50% off)$1.99
- Coin Pack$1.99
- The Full Game (25% off)$2.99
- Coin Pack$2.99
- The Full Game$3.99
- Coin Pack$3.99
Fat Slice 2
- Full Pie Edition$2.99
