Access essential specifications for Tubulars, BOPs, and API Casing offline. View detailed data like tool joint OD, make-up torque, and pressure ratings. Share spec sheets when an internet connection is available.






249+ iOS apps curated and reviewed
Quail Tools is the household name in quail tools, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (22) | No | No | May 2026 | ||
| 2 | Free | 4.8★ (237K) | No | No | Oct 2026 | ||
| 3 | Free | 3.8★ (19) | No | No | Oct 2026 | ||
| 4 | Free | 4.9★ (13) | No | No | Oct 2026 | ||
| 5 | Free | 4.0★ (3) | No | No | Aug 2026 | ||
| 6 | Free | — | No | No | Aug 2026 | ||
| 7 | Free | 4.5★ (2) | No | No | Oct 2026 | ||
| 8 | Free | 4.4★ (37) | No | No | Oct 2026 |






Access essential specifications for Tubulars, BOPs, and API Casing offline. View detailed data like tool joint OD, make-up torque, and pressure ratings. Share spec sheets when an internet connection is available.






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This app provides essential tools for oil and gas professionals involved in drilling operations. It offers unit conversions, a comprehensive drilling calculator, API tubular data, stuck pipe problem identification, and well control calculations.