250+ iOS apps curated and reviewed
The best 737 master caution apps on iPhone average 2.7★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (7) | No | No | Oct 2026 | |
| 2 |  | Free | — | No | No | Jun 2026 | |
| 3 |  | $4.99 | 2.0★ (2) | No | No | Aug 2026 | |
| 4 |  | Free | 3.0★ (1) | No | Yes | Oct 2026 | |
| 5 |  | Free | — | Yes | No | May 2026 | |
| 6 |  | Free | 4.5★ (85K) | No | No | Oct 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
This app provides a comprehensive reference for over 200 warning lights and messages across B737 Classic, NG, and MAX aircraft families. It includes tools for abbreviations, FMC messages, circuit breakers, and electrical buses, aiding pilot training and aviation enthusiasts.
Access a comprehensive question database for the Boeing 737 New Generation aircraft systems and type rating. Covers a wide range of topics essential for aviation professionals.
