Practice mental arithmetic with adjustable settings for digit count, flash speed, and problem quantity. Designed to enhance calculation skills through timed exercises.
FLASH ANZAN (arithmetic) by Mako Muraoka Yudai Muraoka



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The best anzan apps and games on iPhone average 4.5★ across 92+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.7★ (3) | No | No | Oct 2026 | ||
| 2 | Free | 4.7★ (6) | Yes | No | Oct 2026 | ||
| 3 | Free | — | Yes | No | May 2026 | ||
| 4 | Free | 4.0★ (1) | Yes | No | Oct 2026 | ||
| 5 | Free | 5.0★ (2) | Yes | Yes | Oct 2026 | ||
| 6 | Free | — | No | No | Oct 2026 | ||
| 7 | Free | 4.0★ (1) | Yes | No | Aug 2026 | ||
| 8 | Free | 5.0★ (3) | Yes | Yes | Oct 2026 |



Practice mental arithmetic with adjustable settings for digit count, flash speed, and problem quantity. Designed to enhance calculation skills through timed exercises.






This app helps improve mental math skills by presenting numbers that flash on screen for users to add. It offers various stages with increasing difficulty and timed challenges, along with a practice mode for self-paced learning. Users can earn medals and track their progress.




