Enhance your cognitive abilities with a fun mental calculation trainer. Solve addition, subtraction, and multiplication problems to earn points and track your progress over time. Compete globally through Game Center rankings.





131+ iOS apps & games curated and reviewed
Every iPhone needs a few good koki yoshida apps and games. We benchmark 131+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.5★ (4) | No | No | May 2026 | ||
| 2 | Free | 3.9★ (20) | No | Yes | May 2026 | ||
| 3 | Free | — | No | Yes | Sep 2026 | ||
| 4 | Free | — | No | Yes | Sep 2026 | ||
| 5 | Free | — | No | No | May 2026 | ||
| 6 | Free | — | No | Yes | Sep 2026 | ||
| 7 | Free | — | Yes | No | May 2026 | ||
| 8 | Free | — | No | No | May 2026 |





Enhance your cognitive abilities with a fun mental calculation trainer. Solve addition, subtraction, and multiplication problems to earn points and track your progress over time. Compete globally through Game Center rankings.





Design custom jigsaw puzzles using your own photos, complete with filters and decorative frames. Share your creations with friends or enjoy a daily selection of free puzzles. Compete with others in daily rankings and organize pieces with a handy tray.





This app provides a digital scorebook and stats tracker for baseball teams. It allows for real-time game sharing, automatic calculation of player and team statistics, and easy team management. It's designed for coaches, parents, players, and managers to simplify scorekeeping and gain insights into performance.