Transform compatible AirPods into a motion sensor to track head movements. Visualize acceleration, gyroscope, and attitude data in real-time and save it as a CSV file for research and analysis.




249+ iOS apps curated and reviewed
Out of 249+ earphones sensor apps on iOS, 19 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 | — | Yes | No | Sep 2026 | ||
| 2 | Free | 3.0★ (2) | No | Yes | Oct 2026 | ||
| 3 | Free | — | No | No | Jul 2026 | ||
| 4 | Free | — | No | No | May 2026 | ||
| 5 | Free | — | No | Yes | Sep 2026 | ||
| 6 | Free | — | No | No | May 2026 | ||
| 7 | Free | 3.0★ (2) | No | No | May 2026 | ||
| 8 | Free | 1.0★ (1) | No | No | May 2026 |




Transform compatible AirPods into a motion sensor to track head movements. Visualize acceleration, gyroscope, and attitude data in real-time and save it as a CSV file for research and analysis.






This app transforms your iPhone into a professional motion data logger. Record accelerometer, gyroscope, and magnetometer data simultaneously, visualize it with interactive charts, and export it in CSV or JSON format for detailed analysis. Organize and compare recordings to gain insights into motion patterns.





