This application helps users improve their mental calculation speed by simulating abacus use. It offers various levels of difficulty, progressing from single digits with longer time limits to faster calculations.
Abacus' brain Lite by POPPO STUDIO





247+ iOS apps & games curated and reviewed
Whether you're new to poppo studio or looking for an upgrade, our curated collection of 247+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 2.0★ (1) | No | No | May 2026 | ||
| 2 | Free | 5.0★ (1) | Yes | Yes | Sep 2026 | ||
| 3 | Free | — | No | Yes | Aug 2026 | ||
| 4 | Free | — | No | Yes | Aug 2026 | ||
| 5 | Free | — | No | Yes | Jun 2026 | ||
| 6 | Free | 2.6★ (40) | No | No | Sep 2026 | ||
| 7 | Free | — | — | No | Sep 2026 | ||
| 8 | Free | 3.9★ (277) | No | No | Sep 2026 |





This application helps users improve their mental calculation speed by simulating abacus use. It offers various levels of difficulty, progressing from single digits with longer time limits to faster calculations.





A fast-paced game where you quickly input numbers on a virtual abacus to match on-screen prompts before your health depletes. Progress through 30 stages and 10 chapters, improving your mental math speed and abacus skills.






A geography quiz game that teaches world maps through interactive puzzles. Explore different regions and countries with progressive levels and practice modes. Discover detailed information and imagery for each location.