# Optimal Coffee Notes vs Four Six

The clearest difference is update cadence: Four Six at daily against Optimal Coffee Notes's every 4 months. Four Six also leads on review sentiment (100% vs 75%). Optimal Coffee Notes's advantage is device support (3 vs 1) and iOS requirement (14.0.0 vs 16.4). On price, rating, ratings volume and ads 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 Four Six. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 75% of Optimal Coffee Notes's written reviews are positive against 100% of Four Six's.

Optimal Coffee Notes ships an update every 4 months, Four Six daily. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Optimal Coffee Notes | Four Six |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/optimal-coffee-notes/id1583625309/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/four-six/id6468425955/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | Free |
| Size | 55 MB | 0 MB |
| Requires iOS | **14.0.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Daniels](https://appshunter.io/developer/1295689735) | [Aidan Kelly](https://appshunter.io/developer/1709890660) |

## 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


### Four Six

[App page](https://appshunter.io/ios/app/four-six/id6468425955)

Achieve the perfect pourover coffee with precise brewing instructions based on a renowned method. This app simplifies the process, allowing you to customize strength and balance for a consistently extraordinary coffee experience.

**Highlights:** Precise brewing instructions, Customizable strength and balance, Calculated timings and measures, Consistent coffee quality, Light and dark mode interface

**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 Four Six free?

Four Six is free to download, with no in-app purchases.

### Which has better reviews, Optimal Coffee Notes or Four Six?

Optimal Coffee Notes and Four Six are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do Optimal Coffee Notes or Four Six have ads?

Neither Optimal Coffee Notes nor Four Six shows ads.

### Which is updated more often, Optimal Coffee Notes or Four Six?

Optimal Coffee Notes ships an update every 4 months, and Four Six daily. Most recently, Optimal Coffee Notes was updated on October 5, 2026 and Four Six on October 17, 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.*