248+ iOS apps curated and reviewed
The best moto gear ratio calculator rpm apps on iPhone average 3.2★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | $1.99 | 1.0★ (1) | No | No | Sep 2026 | |
| 2 |  | $1.99 | 3.0★ (1) | No | No | May 2026 | |
| 3 |  | Free | 1.0★ (1) | No | Yes | Aug 2026 | |
| 4 |  | Free | 2.2★ (5) | No | Yes | Aug 2026 | |
| 5 |  | Free | 3.5★ (6) | No | Yes | May 2026 | |
| 6 |  | Free | — | No | No | Aug 2026 | |
| 7 |  | Free | 5.0★ (2) | No | No | Jul 2026 | |
| 8 |  | Free | 3.3★ (3) | No | No | May 2026 |
Calculate motorcycle speed at any RPM, visualize shift points, and compare sprocket combinations. This tool helps riders and mechanics optimize gearing with interactive gauges and detailed reports.
Calculate gear ratio, driveline ratio, and vehicle speed for various vehicles. Supports US and Metric units, with multiple input methods for tire size. Saves calculations for quick reference and allows emailing results.
This application helps cyclists optimize their gear settings by calculating and visualizing gear ratios. It generates graphs for speed, cadence, and gear ratios based on various component combinations, aiding in the selection of replacement parts for improved performance.
