# Ratio M8 — Brew the perfect cup of coffee

> Calculate ideal coffee-to-water ratios for brewing with a built-in stopwatch. (iPhone/iPad app by Adventurous2 Ltd.)

- Source: https://appshunter.io/ios/app/ratio-m8/id1637237516 (this page in markdown: same URL + `.md`)
- Developer: [Adventurous2 Ltd](https://appshunter.io/developer/1823663599)
- Category: Utilities, Food & Drink
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 17 MB
- Languages: American English
- Released: 2023-02-12
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ratio-m8/id1637237516/reviews.md

## What is Ratio M8?

Ratio M8 takes the guesswork out of making a perfect cup of coffee by allowing you to easily calculate the ideal coffee-to-water ratio.

Features:
• Set desired ratio: Choose the perfect coffee-to-water ratio that suits your taste and brewing method.
• Enter amount of coffee beans: input the amount of coffee beans you have, and the app will calculate the appropriate amount of water to use.
• Enter amount of water: simply enter the amount of water you want to use, and the app will calculate the required amount of coffee.
• Use an in-app stopwatch to control brewing phases

Extra usage tips:
• Tap the left or right side of the slider to add or remove 0.1 gram.
• Long tap the left or right side of the slider to add or remove 1 gram.

## Key features

- Calculate coffee-to-water ratios
- Input coffee bean amount
- Input water amount
- In-app stopwatch
- Precise gram adjustments


## Frequently asked questions about Ratio M8

### How does Ratio M8 help me brew coffee?

Ratio M8 helps you calculate the perfect coffee-to-water ratio for your brew. You can input the amount of coffee beans you have and it will tell you how much water to use, or vice versa.

### Can I adjust the ratio precisely with Ratio M8?

Yes, you can tap the left or right side of the slider to add or remove 0.1 gram, and long tap to add or remove 1 gram for precise adjustments to your coffee and water measurements.

### Does Ratio M8 have a stopwatch for brewing?

Yes, Ratio M8 includes an in-app stopwatch to help you control different brewing phases accurately, ensuring consistency in your coffee preparation.

### What devices does Ratio M8 support?

Ratio M8 is available for iPhone, iPad, and iPod devices, making it accessible for a wide range of Apple users.

### How often is Ratio M8 updated?

The latest version, 2.0.0, was released on October 13, 2025, indicating active development and regular updates for the application.

### Is Ratio M8 suitable for beginners?

Yes, Ratio M8 is designed to take the guesswork out of brewing, making it ideal for beginners who want to achieve a perfect cup of coffee without complex calculations.

### What is the age rating for Ratio M8?

Ratio M8 has an age rating of 4+, meaning it is suitable for users of all ages and does not contain any mature content.

### Does Ratio M8 have ads?

No, Ratio M8 is completely ad-free, providing an uninterrupted user experience for calculating coffee ratios and using the stopwatch.

## Version history (last 3 releases)

### 2.0.0 — 2025-10-13

• New feature: stopwatch to follow brewing phases
• Settings page to control haptic feedback, app theme and brew estimate visibility
• UI improvements
• Bug fixes

### 1.0.6 — 2023-03-12

• Dark and light theme improvements
• Scrolling fixes

### 1.0 — 2023-02-12

No release notes.

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## More apps by Adventurous2 Ltd

- [Mister Rebus](https://appshunter.io/ios/app/mister-rebus/id6747975462)
- [Word Search - Wordodo Journey](https://appshunter.io/ios/app/word-search-wordodo-journey/id6748605378)

All apps by Adventurous2 Ltd: https://appshunter.io/developer/1823663599

## Related topics

[coffee ratio](https://appshunter.io/ios/topics/coffee-ratio)

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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 2026-06-01.*