Number Challenge: Brain Game
OPTOELECTRONICS FUTURE LTD Games iPhoneiPadiPod touch
Number Challenge: Brain Game is a free Games app for iPhone and iPad by OPTOELECTRONICS FUTURE LTD. Requires iOS 13.0. Updated January 14, 2026.
- Price
- Free
- on the App Store
- Size
- 73 MB
- Age 4+
- Updated
- Jan 14
- 2026 · v1.0
Screenshots
About Number Challenge: Brain Game
Number Challenge: Brain Game is a fast, addictive focus test inspired by viral “think of a number” challenges. Pick a number in your head, keep your eyes locked on the center, and stay calm while numbers appear and distractions try to break your concentration. The better your focus, the higher your score. How to Play Choose a number (0–9) silently. Focus on the center area while numbers cycle. Tap to confirm when you’re ready. Beat the timer and keep your streak alive. Features Quick rounds for instant play Focus & perception challenge (simple rules, surprisingly hard) Streaks + best score tracking Clean minimal design (easy to understand, hard to master) Play anywhere — no complicated setup Train your attention, test your perception, and challenge friends to see who stays focused the longest.
App privacy
The developer, OPTOELECTRONICS FUTURE LTD, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, App Functionality
Alternatives to Number Challenge: Brain Game
Looking for apps like Number Challenge: Brain Game? Here are 6 similar apps on the App Store. The highest rated is Picture Quiz - Brain Training (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Number Challenge: Brain Game | – | Free | January 14, 2026 | |
| Mindrush – Brain Speed Game | 4.5 / 5 (4) | Free | Aug 11, 2026 | Compare |
| Cinema Neram: Malayalam Quiz | 4.0 / 5 (1) | Free | Jul 1, 2026 | Compare |
| Guess Malayalam Movies | – | Free | Jul 21, 2026 | Compare |
| Lost Adventure | 1.0 / 5 (1) | Free | Jan 11, 2024 | Compare |
| K-POP idols Coloring by Number | – | Free | Nov 5, 2025 | Compare |
| Picture Quiz - Brain Training | 5.0 / 5 (3) | Free | Mar 1, 2026 | Compare |