# SpeedSpin — Gear Ratio Calculator

> Gear Ratio Calculator (iPhone/iPad app by Ivan Estevez.)

- Source: https://appshunter.io/ios/app/speedspin/id6738629707 (this page in markdown: same URL + `.md`)
- Developer: [Ivan Estevez](https://appshunter.io/developer/1136309337)
- Category: Utilities, Sports
- Price: $0.29
- Age rating: 4+
- Requires: iOS 16.6 · 0 MB
- Languages: American English, European Spanish
- Released: 2024-11-25
- Data updated: 2026-09-04
- User reviews in markdown: https://appshunter.io/ios/app/speedspin/id6738629707/reviews.md

## What is SpeedSpin?

SpeedSpin is the ultimate tool for cyclists who want to optimize their performance.
With this app, you can easily calculate the speed and distance you cover per pedal stroke based on key parameters such as the chainring teeth, cassette teeth, cadence, and wheel circumference.
Want to see how your performance changes by adjusting any of these factors? Don’t hesitate to try our app.


## Version history (last 1 release)

### 1.0 — 2024-11-25

No release notes.

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## More apps by Ivan Estevez

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- [Football Coach Manager](https://appshunter.io/ios/app/football-coach-manager/id1550177066)
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All apps by Ivan Estevez: https://appshunter.io/developer/1136309337

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-04.*