# Fermentis vs RAPT Brew

The clearest difference is update cadence: RAPT Brew at fortnightly against Fermentis's every 6 weeks. Fermentis's advantage is iOS requirement (13.0 vs 16.6). On price, rating, review sentiment and ratings volume 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 — 2.1 for Fermentis against 2.2 for RAPT Brew. Both are backed by a comparable volume of ratings — 14 and 14 respectively. Written reviews split almost evenly too, at 16% and 17% positive.

Fermentis ships an update every 6 weeks, RAPT Brew fortnightly. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Fermentis | RAPT Brew |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (14 ratings)](https://appshunter.io/ios/app/fermentis/id1403381516/reviews) | **[2.2 (14 ratings)](https://appshunter.io/ios/app/rapt-brew/id6754349453/reviews)** |
| Number of ratings | 14 | 14 |
| Positive reviews | 15.8% of reviews | **16.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 38 MB | 172 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [SOCIETE INDUSTRIELLE LESAFFRE](https://appshunter.io/developer/1284863866) | [Kegland Distribution Pty Ltd](https://appshunter.io/developer/1573192996) |

## What reviewers say

### Fermentis

[App page](https://appshunter.io/ios/app/fermentis/id1403381516)

Explore the world of fermentation with this app. Discover a wide range of fermentation solutions and products. Stay updated on the latest news and launches, and utilize fermentation tools to select the ideal yeast for your projects.

**Highlights:** Discover fermentation solutions, Find products easily, Latest news and launches, Fermentation tools, Choose the right yeast

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

**In-app purchases:** none


### RAPT Brew

[App page](https://appshunter.io/ios/app/rapt-brew/id6754349453)

Control and automate your entire brewing process remotely from your phone. Monitor, adjust, and automate everything from grain to glass, with features for both homebrewers and professionals. Scale your brewing operations with smart controllers and intelligent logic.

**Highlights:** Remote brewery control, Monitor and automate brewing process, Customizable brewing profiles, Real-time telemetry and control logic, Automated temperature ramping, Notifications and detailed logs, Warehouse & stock management

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

**In-app purchases:** none


## Frequently asked questions

### Is Fermentis free?

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

### Is RAPT Brew free?

RAPT Brew is free to download, with no in-app purchases.

### Which has better reviews, Fermentis or RAPT Brew?

RAPT Brew is rated higher. Fermentis averages 2.1 out of 5 from 14 ratings, while RAPT Brew averages 2.2 from 14 ratings.

### Do Fermentis or RAPT Brew have ads?

Neither Fermentis nor RAPT Brew shows ads.

### Which is updated more often, Fermentis or RAPT Brew?

Fermentis ships an update every 6 weeks, and RAPT Brew fortnightly. Most recently, Fermentis was updated on October 22, 2026 and RAPT Brew on October 30, 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.*