Learn to use a classic slide rule with this app. It offers precise calculations and an "auto-slide-rule" mode to demonstrate operations. Save and reuse slider positions for frequent calculations.
Pocket Slide Rule Expert by TestTubeGames




240+ iOS apps & games curated and reviewed
Every iPhone needs a few good pocket slide rule expert apps and games. We benchmark 240+ 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 | $0.99 | 4.8★ (4) | No | No | Aug 2026 | ||
| 2 | Free | 5.0★ (14) | No | No | May 2026 | ||
| 3 | Free | 4.5★ (26) | No | Yes | Sep 2026 | ||
| 4 | $0.99 | 5.0★ (1) | No | No | Aug 2026 | ||
| 5 | $0.99 | 1.0★ (1) | No | No | Sep 2026 | ||
| 6 | Free | 4.3★ (131) | Yes | Yes | Sep 2026 | ||
| 7 | Free | 4.9★ (10) | No | Yes | Aug 2026 | ||
| 8 | $0.99 | 4.9★ (9) | No | Yes | Aug 2026 |




Learn to use a classic slide rule with this app. It offers precise calculations and an "auto-slide-rule" mode to demonstrate operations. Save and reuse slider positions for frequent calculations.

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.