108+ iOS apps curated and reviewed
Every iPhone needs a few good gates belt drive apps. We benchmark 108+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.7★ (21) | No | No | Oct 2026 | |
| 2 |  | Free | 3.5★ (6) | No | No | Oct 2026 | |
| 3 |  | Free | 1.9★ (21) | No | No | Oct 2026 | |
| 4 |  | Free | 2.8★ (13) | No | No | Oct 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.5★ (2) | No | No | May 2026 | |
| 8 |  | $1.99 | — | No | No | Aug 2026 |
This app uses your phone's microphone to measure the sonic vibration frequency of a belt drive. It helps you determine if your bicycle belt tension needs adjustment by comparing the frequency to a provided chart. It also offers a calculator for bicycle belt drive parameters like speed ratio and center distance.
This app provides engineers and maintenance specialists with access to industrial drive design tools and product data on their mobile devices. It offers modules for designing belt drives, managing facility maintenance, and measuring belt tension, speed, noise, and distance.
Easily search for automotive aftermarket parts from a comprehensive catalog. Find specific belts, pulleys, and hoses by vehicle make/model, OE number, or product characteristics. Includes a barcode scanner for quick access to part details and technical information.
