248+ iOS apps curated and reviewed
The best elm327 wifi terminal obd apps on iPhone average 3.3★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated November 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.1★ (14) | No | No | Oct 2026 | |
| 2 |  | Free | 4.6★ (5.2K) | No | Yes | Nov 2026 | |
| 3 |  | Free | 4.8★ (33K) | Yes | Yes | Nov 2026 | |
| 4 |  | Free | 1.0★ (1) | No | No | Sep 2026 | |
| 5 |  | Free | 2.5★ (14) | No | No | Sep 2026 | |
| 6 |  | Free | — | No | No | Sep 2026 | |
| 7 |  | Free | 4.5★ (290) | No | Yes | Nov 2026 | |
| 8 |  | $4.99 | 4.1★ (86) | No | No | Nov 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.
Turn your smartphone into a professional OBD2 diagnostic tool. Monitor engine torque, read and clear fault codes, and access real-time vehicle sensor data. Supports a wide range of vehicles and ELM327 adapters.
Monitor your car's real-time performance, diagnose fault codes, and access detailed sensor data. Customize your dashboard with various gauges and charts, and even reset diagnostic trouble codes. This tool helps you understand your vehicle's health and potentially reduce repair costs.
