Test your mental math skills in a fast-paced, one-minute challenge. Solve basic arithmetic problems by quickly identifying if they are true or false. Compete with others on leaderboards and unlock achievements.






250+ iOS apps & games curated and reviewed
With an average user rating of 4.3★, the plus minus math sd category is one of the App Store's strongest. Browse all 250+ apps and games we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | Yes | No | May 2026 | ||
| 2 | Free | 3.8★ (13) | No | Yes | Oct 2026 | ||
| 3 | Free | — | Yes | Yes | Oct 2026 | ||
| 4 | Free | 5.0★ (19) | No | No | May 2026 | ||
| 5 | Free | 4.8★ (19) | Yes | Yes | Oct 2026 | ||
| 6 | Free | 4.7★ (80) | No | Yes | Nov 2026 | ||
| 7 | Free | 4.5★ (6.7K) | No | Yes | Nov 2026 | ||
| 8 | Free | 4.4★ (1.4K) | No | No | Nov 2026 |












Test your mental math skills in a fast-paced, one-minute challenge. Solve basic arithmetic problems by quickly identifying if they are true or false. Compete with others on leaderboards and unlock achievements.





