This application checks OBD protocols in cars by connecting to an ELM327 device. It supports all major OBD-II protocols and all versions of the ELM327 hardware, allowing you to check your device's version.



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The best jfind obd apps on iPhone average 3.8★ across 242+ 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 | May 2026 | ||
| 2 | Free | 1.4★ (5) | No | No | Sep 2026 | ||
| 3 | Free | 4.5★ (1.1K) | No | No | Oct 2026 | ||
| 4 | $9.99 | 3.0★ (88) | No | No | Aug 2026 | ||
| 5 | Free | — | No | No | Oct 2026 | ||
| 6 | $9.99 | 4.7★ (19K) | No | Yes | Oct 2026 | ||
| 7 | Free | 4.0★ (1) | Yes | Yes | Sep 2026 | ||
| 8 | Free | 1.5★ (2) | No | No | May 2026 |







This application checks OBD protocols in cars by connecting to an ELM327 device. It supports all major OBD-II protocols and all versions of the ELM327 hardware, allowing you to check your device's version.




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