250+ iOS apps curated and reviewed
The best trailer check pro apps on iPhone average 3.9★ 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 | — | — | No | Sep 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (1) | No | No | Aug 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | 4.0★ (4) | No | No | May 2026 | |
| 7 |  | Free | — | Yes | No | May 2026 | |
| 8 |  | Free | 5.0★ (3) | No | No | May 2026 |
Control your trailer's braking system wirelessly via Bluetooth. Adjust brake parameters, receive alerts for trailer malfunctions, and detect wiring faults for safe and reliable operation.
This app allows technicians to test trailer lights and brakes wirelessly via Bluetooth. It connects to a trailer's 7-way plug and can individually control and test various functions, including blinkers, tail lights, amperage, and voltage. Users can also record and save videos for documentation.
