Engage in a simple yet stimulating calculation puzzle game designed to assess and improve your brain's condition. Solve four-choice math problems by tapping the correct answer to activate your mind. Perfect for a quick mental workout.



247+ iOS apps & games curated and reviewed
Every iPhone needs a few good yontaku apps and games. We benchmark 247+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | No | May 2026 | ||
| 2 | Free | 4.7★ (40) | No | Yes | Sep 2026 | ||
| 3 | Free | — | No | No | May 2026 | ||
| 4 | Free | 5.0★ (5) | Yes | No | Sep 2026 | ||
| 5 | Free | — | No | No | Sep 2026 | ||
| 6 | Free | — | No | No | Aug 2026 | ||
| 7 | Free | 4.8★ (16) | No | Yes | Sep 2026 | ||
| 8 | Free | 4.8★ (23) | Yes | Yes | Sep 2026 |



Engage in a simple yet stimulating calculation puzzle game designed to assess and improve your brain's condition. Solve four-choice math problems by tapping the correct answer to activate your mind. Perfect for a quick mental workout.






This app uses AI to help you craft natural and engaging responses for everyday conversations, work messages, and chats with friends. It analyzes conversation flow and emotions to suggest the best replies and expressions for various scenarios.



