This app connects to your vehicle's ECU via a Bluetooth adapter to provide real-time data logging and dashboard displays. Unlock specific datalog protocols through in-app purchases to utilize its full functionality for automotive tuning.






55+ iOS apps curated and reviewed
Out of 55+ ktuner apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 3.1★ (41) | No | Yes | Oct 2026 | ||
| 2 | Free | 5.0★ (1) | No | No | Aug 2026 | ||
| 3 | Free | — | No | Yes | Oct 2026 | ||
| 4 | Free | — | No | Yes | Oct 2026 | ||
| 5 | Free | 4.6★ (1.9K) | Yes | No | Oct 2026 | ||
| 6 | Free | 4.5★ (12) | Yes | No | Aug 2026 | ||
| 7 | Free | 4.0★ (323) | No | Yes | Oct 2026 | ||
| 8 | Free | 4.7★ (1.4K) | Yes | No | Nov 2026 |






This app connects to your vehicle's ECU via a Bluetooth adapter to provide real-time data logging and dashboard displays. Unlock specific datalog protocols through in-app purchases to utilize its full functionality for automotive tuning.


This utility app connects to specific hardware units via Bluetooth to display real-time ethanol content and temperature. It provides essential data for users monitoring fuel mixtures.





