21+ iOS apps & games curated and reviewed
Looking for free e6b slide rule apps and games? 18 of our 21+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $2.99 | — | No | No | Oct 2026 | |
| 2 |  | Free | 5.0★ (14) | No | No | May 2026 | |
| 3 |  | Free | 4.5★ (26) | No | Yes | Sep 2026 | |
| 4 |  | Free | — | Yes | No | Aug 2026 | |
| 5 |  | Free | 3.5★ (10) | No | No | Jun 2026 | |
| 6 |  | Free | 1.0★ (1) | No | No | May 2026 | |
| 7 |  | Free | — | Yes | No | May 2026 | |
| 8 |  | Free | 2.3★ (3) | Yes | No | May 2026 |
This app digitally recreates various types of slide rules, offering features not possible on physical models like color options and numeric displays. It includes a slideshow of famous slide rules and is best experienced on larger devices.
Experience a simple yet addictive game that challenges your speed and unlocking skills. Master the art of unlocking with four distinct game modes and earn in-game currency to unlock upgrades and new levels. Enjoy slick graphics and an original soundtrack.
