250+ iOS apps curated and reviewed
TallyRig is the household name in well control, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | Sep 2026 | |
| 2 |  | Free | 5.0★ (1) | No | Yes | Sep 2026 | |
| 3 |  | Free | 3.7★ (30) | No | No | Jul 2026 | |
| 4 |  | $0.99 | 5.0★ (1) | No | No | Sep 2026 | |
| 5 |  | Free | 5.0★ (2) | No | No | May 2026 | |
| 6 |  | Free | 5.0★ (22) | No | No | May 2026 | |
| 7 |  | $49.99 | 5.0★ (1) | No | No | Sep 2026 | |
| 8 |  | Free | 3.8★ (19) | No | No | May 2026 |
This app provides drilling and well personnel with a flexible and effective way to practice and maintain essential well control knowledge. It offers exam-style questions aligned with industry standards, training and exam modes, and instant explanations to reinforce learning.
This app provides essential data and calculators for oil and gas well calculations. Access key dimensions, strengths, and specifications for tubulars to quickly determine volumes and capacities. Supports multiple unit systems for flexible calculations.
