250+ iOS apps curated and reviewed
Every iPhone needs a few good dts gas guru apps. We benchmark 250+ 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 |  | $4.99 | — | No | No | Oct 2026 | |
| 2 |  | Free | 4.0★ (1) | No | Yes | Aug 2026 | |
| 3 |  | $2.99 | — | No | No | Jul 2026 | |
| 4 |  | $2.99 | 3.0★ (2) | No | No | Sep 2026 | |
| 5 |  | Free | — | No | No | Oct 2026 | |
| 6 |  | $2.99 | 4.0★ (2) | No | Yes | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | Jul 2026 |
This professional technical diving tool provides fast and accurate calculations for dive planning, gas analysis, and safe operating limits. It's designed for CCR and open circuit divers, offering essential features in a clean interface for confident underwater decisions.
This app calculates critical dive gas parameters like MOD, EAD, and END, showing all derivations. It offers advanced planning tools for dive profiles and bottom time, with sharing capabilities and home/lock screen widgets for quick access. All core gas calculations are free, with advanced features available via a one-time purchase.
