62+ iOS apps & games curated and reviewed
The best nappkin lab apps and games on iPhone average 4.0★ across 62+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (51) | Yes | Yes | Aug 2026 | |
| 2 |  | Free | — | Yes | Yes | Jul 2026 | |
| 3 |  | Free | 4.9★ (136) | Yes | Yes | Aug 2026 | |
| 4 |  | Free | — | No | No | Sep 2026 | |
| 5 |  | Free | 1.3★ (3) | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | — | No | Yes | May 2026 | |
| 8 |  | Free | 5.0★ (8) | No | No | May 2026 |
This number puzzle game offers a modern take on classic Sudoku, designed to challenge your mind and improve memory. With multiple difficulty levels and a smart hint system, it's suitable for all skill levels. Enjoy a distraction-free experience with light and dark modes, and play offline anytime.
This app serves as a laboratory assistant, offering a collection of essential tools, calculators, and guides for students, researchers, and technicians. It simplifies everyday lab tasks with features like dilution calculators, timers, and protocols, all accessible offline.
