249+ iOS apps curated and reviewed
The best elm327 wifi terminal obd apps on iPhone average 3.9★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.1★ (14) | No | No | Sep 2026 | |
| 2 |  | Free | 4.8★ (32K) | Yes | Yes | Sep 2026 | |
| 3 |  | Free | 4.6★ (5K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.4★ (6.2K) | No | Yes | Sep 2026 | |
| 5 |  | Free | — | No | No | Sep 2026 | |
| 6 |  | Free | 1.0★ (1) | No | No | Sep 2026 | |
| 7 |  | Free | — | No | No | Aug 2026 | |
| 8 |  | Free | 2.5★ (14) | No | No | Sep 2026 |
Connect to your car's OBD2 system using an ELM327 WiFi device. This utility allows you to send AT commands and scan car data. It's compatible with all OBD2-equipped vehicles and ELM327 WiFi devices.
Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.
Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.
