This utility app calculates the travel distance of an RC direct drive car per motor rotation. It simplifies setup by displaying results in three easy-to-read tables, allowing users to select gear teeth and tire diameter.




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| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Sep 2026 | ||
| 2 | Free | 4.9★ (11) | Yes | No | Oct 2026 | ||
| 3 | $0.99 | 3.8★ (120) | No | No | Oct 2026 | ||
| 4 | Free | 4.9★ (23) | No | No | Oct 2026 | ||
| 5 | Free | 4.4★ (24) | No | Yes | Oct 2026 | ||
| 6 | Free | — | No | Yes | May 2026 | ||
| 7 | Free | 4.5★ (15) | No | No | Oct 2026 | ||
| 8 | Free | 1.7★ (3) | No | No | Aug 2026 |





This utility app calculates the travel distance of an RC direct drive car per motor rotation. It simplifies setup by displaying results in three easy-to-read tables, allowing users to select gear teeth and tire diameter.





This app is a powerful tool for RC car enthusiasts to calculate maximum speed and optimize gearing. It allows users to save setups, add notes, and email records for detailed tracking of performance. Supports a wide range of LiPo batteries and provides multiple calculation metrics.