# Optimal Coffee Notes vs Ratio M8

The clearest difference is update cadence: Optimal Coffee Notes at every 4 months against Ratio M8's every 12 months. Optimal Coffee Notes also leads on ratings volume (5 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Optimal Coffee Notes against 5.0 for Ratio M8. That said, the two scores are not equally well evidenced: Optimal Coffee Notes has 5 ratings behind it against 1, so its average is the more settled of the two.

Optimal Coffee Notes ships an update every 4 months, Ratio M8 every 12 months. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Optimal Coffee Notes | Ratio M8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/optimal-coffee-notes/id1583625309/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ratio-m8-coffee-calculator/id1637237516/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 55 MB | 22 MB |
| Requires iOS | **14.0.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Daniels](https://appshunter.io/developer/1295689735) | [Adventurous2 Ltd](https://appshunter.io/developer/1823663599) |

## What reviewers say

### Optimal Coffee Notes

[App page](https://appshunter.io/ios/app/optimal-coffee-notes/id1583625309)

Record and track detailed notes about your coffee brewing sessions. Document variables like grind size and brewing time to understand their impact on flavor. Rate your coffee and organize notes by brewing method or bean type to refine your perfect cup.

**Highlights:** Record coffee brewing details, Rate and review coffee taste, Add photos and custom details, Organize notes by method/type, Gain insights into flavor variables

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Ratio M8

[App page](https://appshunter.io/ios/app/ratio-m8-coffee-calculator/id1637237516)

Easily calculate the ideal coffee-to-water ratio for your brew. Input your coffee or water amount, and the app determines the perfect balance for your perfect cup. Includes a stopwatch for precise brewing control.

**Highlights:** Calculate coffee-to-water ratios, Input coffee bean amount, Input water amount, In-app stopwatch, Precise gram adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Optimal Coffee Notes free?

Optimal Coffee Notes is free to download, with no in-app purchases.

### Is Ratio M8 free?

Ratio M8 is free to download, with no in-app purchases.

### Which has better reviews, Optimal Coffee Notes or Ratio M8?

Optimal Coffee Notes and Ratio M8 are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Optimal Coffee Notes or Ratio M8 have ads?

Neither Optimal Coffee Notes nor Ratio M8 shows ads.

### Which is updated more often, Optimal Coffee Notes or Ratio M8?

Optimal Coffee Notes ships an update every 4 months, and Ratio M8 every 12 months. Most recently, Optimal Coffee Notes was updated on October 22, 2026 and Ratio M8 on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*