244+ iOS apps curated and reviewed
If you already know Gear Ratio Calculator 2, this is the deeper bench. 244+ gear ratio calculator 2 apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 1.0★ (1) | No | Yes | Sep 2026 | |
| 2 |  | Free | — | No | Yes | Oct 2026 | |
| 3 |  | $1.99 | 3.0★ (1) | No | No | Oct 2026 | |
| 4 |  | Free | 2.0★ (6) | No | Yes | Oct 2026 | |
| 5 |  | $3.99 | 4.3★ (12) | No | No | Oct 2026 | |
| 6 |  | Free | 5.0★ (4) | No | No | Oct 2026 | |
| 7 |  | Free | 3.7★ (3) | No | No | Oct 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
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.
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.
