# SpinRatio

> Calculate bike gear ratios, speed, cadence, and drivetrain performance with ease

Canonical page: [https://chrome-stats.com/d/com.gr.spinratio](https://chrome-stats.com/d/com.gr.spinratio)

## Overview

- **ID:** `com.gr.spinratio`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Game Rock Studio
- **Category:** EDUCATION
- **Downloads:** 19
- **Version:** 1.0
- **Last updated:** 2026-06-11
- **First published:** 2026-06-11
- **Publisher country:** PK
- **Size:** 44 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.gr.spinratio)
- **Website:** [https://gamerockstudio.blogspot.com/2026/06/privacy-policy.html](https://gamerockstudio.blogspot.com/2026/06/privacy-policy.html)
- **Privacy policy:** [https://gamerockstudio.blogspot.com/2026/06/privacy-policy.html](https://gamerockstudio.blogspot.com/2026/06/privacy-policy.html)

## Description

SpinRatio is a simple and reliable bike gear ratio calculator designed for cyclists, bike enthusiasts, and mechanics who want quick and accurate drivetrain calculations.<br><br>Whether you&#39;re optimizing your road bike, mountain bike, BMX, or custom setup, SpinRatio helps you calculate gear ratios, cadence estimates, and drivetrain performance in an easy and user-friendly way.<br><br>Built with a clean and lightweight interface, the app makes it easy to compare chainring and sprocket combinations for better riding efficiency and smoother performance planning.<br><br>Key Features:<br>Fast and accurate bike gear ratio calculations<br>Compare chainring and rear cog combinations<br>Simple and easy-to-use interface<br>Lightweight and smooth performance<br>Helpful for road bikes, MTB, BMX, and more<br>Designed for cycling enthusiasts and mechanics

## Rankings

- #2,610,393 — Overall

## Permissions and access

### Permissions

- `com.android.vending.CHECK_LICENSE`
- `com.gr.spinratio.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.gr.spinratio)