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.
Trailer Check Pro by Greg Maendel




250+ iOS apps curated and reviewed
The best trailer check pro apps on iPhone average 4.1★ 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 | No | Oct 2026 | ||
| 2 | Free | 5.0★ (1) | No | No | Oct 2026 | ||
| 3 | Free | 4.0★ (4) | No | No | May 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | 5.0★ (1) | No | No | Oct 2026 | ||
| 6 | Free | 4.8★ (1.1K) | No | No | Oct 2026 | ||
| 7 | Free | — | No | No | May 2026 | ||
| 8 | Free | 4.8★ (867) | No | No | Oct 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.





Test your trailer's electrical system remotely from your truck's cab. This app allows a single user to check running lights, brake lights, reverse lights, turn signals, and trailer brake connections. It is compatible with most smart devices and can test intelligent trailer modules.