One-f
Rikiya Ota Games iPhoneiPadiPod touch
One-f is a free Games app for iPhone and iPad by Rikiya Ota. Requires iOS 26.0. Updated January 9, 2026.
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Jan 9
- 2026 · v1.11
Screenshots
About One-f
How to Play 【GOAL】Reach the target within 2 seconds! 【CONTROLS】Tap or swipe 1, 2, 4, 8 buttons 【EXAMPLES】Target 7 → 1+2+4, Target 15 → 1+2+4+8 【SCORING】Faster = higher score! Compete over 10 questions Why No Rankings? 【Humans and Bots Together】 AI and bot play welcome. Challenge the limit of 65,535 freely. Rankings mixing manual and automated play can't show true skill. 【Share on Social Media】 "Screenshot" on result screen → Post with #One-f Both human and bot records are welcome. For Automation Users 【Share Your Setup】 If using automation tools or bots, we encourage sharing your tech. Example: #One-f #Python #OpenCV 【Why Share?】 - Connect with similar users - Share and improve techniques - Fair competitive environment Manual or automated, play openly and have fun.
What’s new
Version 1.11 · Updated January 9, 2026
・Add marketing URL
Play today's Frostfire puzzle
Balance fire and ice: half of each in every row and column. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
App privacy
The developer, Rikiya Ota, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
Used for: Third-Party Advertising
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| One-f | – | Free | January 9, 2026 | |
| Bitwise: Binary Logic Puzzle | 3.0 / 5 (2) | Free | Sep 29, 2026 | Compare |
| Pocket Games World | 5.0 / 5 (9) | 4.99 USD | May 27, 2025 | Compare |
| Sudoku Together Multiplayer | 4.0 / 5 (2) | Free | Feb 17, 2026 | Compare |
| Sudoku Game - Online/Offline | 5.0 / 5 (6) | Free | Oct 7, 2026 | Compare |
| Copy The Room: 3D Decor Puzzle | 5.0 / 5 (1) | Free | Aug 11, 2026 | Compare |
| Supermarket Jam 3D | 4.8 / 5 (66) | Free | Sep 28, 2025 | Compare |
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