Test your visual memory and reaction speed by recalling rapidly flashing numbers. Progress through increasing difficulty levels and compete globally. It's a simple yet challenging game of pure memory.






244+ iOS apps & games curated and reviewed
If you already know Digital Memory Challenge, this is the deeper bench. 244+ digital memory challenge apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | $0.99 | — | No | No | Aug 2026 | ||
| 2 | Free | 4.0★ (1) | No | No | Aug 2026 | ||
| 3 | Free was $0.29 | 5.0★ (1) | No | Yes | Sep 2026 | ||
| 4 | Free | 3.9★ (275) | No | Yes | Sep 2026 | ||
| 5 | Free | — | Yes | Yes | Aug 2026 | ||
| 6 | Free | 4.2★ (11) | No | No | May 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | 4.6★ (8) | No | No | Aug 2026 |












Test your visual memory and reaction speed by recalling rapidly flashing numbers. Progress through increasing difficulty levels and compete globally. It's a simple yet challenging game of pure memory.




Test your ability to memorize and recall digits of Pi. Engage in fast-paced challenges to extend your streak and improve your number recall. Ideal for students, puzzle enthusiasts, or anyone seeking a quick mental workout.