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



82+ iOS apps & games curated and reviewed
The best flash anzan apps and games on iPhone average 4.6★ across 82+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.7★ (3) | No | No | Aug 2026 | |
| 2 | Free | — | Yes | No | May 2026 | |
| 3 | Free | 5.0★ (3) | Yes | Yes | Jul 2026 | |
| 4 | Free | — | No | No | Aug 2026 | |
| 5 | Free | 4.7★ (18) | Yes | No | Aug 2026 | |
| 6 | Free | 4.7★ (6) | Yes | No | May 2026 | |
| 7 | Free | — | No | No | Aug 2026 | |
| 8 | Free | 5.0★ (2) | Yes | Yes | Aug 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 users of all ages improve their mental math and calculation speed. Numbers flash on screen briefly, training quick thinking and concentration. It's ideal for children preparing for abacus certification, students needing math test prep, or adults seeking brain training.




Practice mental arithmetic with various difficulty levels and custom modes. This app serves as a brain training tool to enhance calculation skills.


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.


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