20+ iOS apps curated and reviewed
GCAP Cool Works is the household name in gcap, but it's far from the only option. We track 20+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 1.0★ (1) | No | No | May 2026 | |
| 2 |  | Free | — | No | No | Sep 2026 | |
| 3 |  | Free | — | No | No | Sep 2026 | |
| 4 |  | Free | 5.0★ (1) | Yes | No | Jul 2026 | |
| 5 |  | Free | 5.0★ (12) | No | Yes | Oct 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.9★ (335) | No | Yes | Oct 2026 | |
| 8 |  | Free | 4.6★ (32) | No | No | Oct 2026 |
This app serves as a comprehensive resource for the ammonia industry. It offers tools for testing solenoid coils, performing various industry calculations, and accessing essential information like valve positions, charts, and formulas.
