# Fermentis vs Build a Beer

The clearest difference is rating: Build a Beer at 5.0 against Fermentis's 2.1. Build a Beer also leads on update cadence (every 2 weeks vs every 6 weeks). Fermentis's advantage is in-app purchases (none vs 2) and ratings volume (14 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Build a Beer sells 2 in-app purchases, starting at $0.99 per month. Fermentis asks for nothing beyond the download.

Build a Beer holds the better App Store score, 5.0 against 2.1. Both are backed by a comparable volume of ratings — 14 and 3 respectively.

Fermentis ships an update every 6 weeks, Build a Beer every 2 weeks. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fermentis | Build a Beer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (14 ratings)](https://appshunter.io/ios/app/fermentis/id1403381516/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/build-a-beer/id6502470194/reviews)** |
| Number of ratings | **14** | 3 |
| Positive reviews | 15.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [SOCIETE INDUSTRIELLE LESAFFRE](https://appshunter.io/developer/1284863866) | [David Vanfleet](https://appshunter.io/developer/1545773619) |

## 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


### Build a Beer

[App page](https://appshunter.io/ios/app/build-a-beer/id6502470194)

This AI-powered app assists homebrewers in creating custom beer recipes. It helps generate accurate clone recipes or develop original ones with appropriate ingredients and styles. Explore ingredients and discover new beer styles to brew.

**Highlights:** AI-assisted recipe generation, Clone brew recipe accuracy, Custom recipe creation, Ingredient exploration, New beer style discovery, Easy-to-use recipe format

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (Yearly) | $9.99 | per year |


## Frequently asked questions

### Is Fermentis free?

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

### Is Build a Beer free?

Build a Beer is free to download, with in-app purchases available.

### Which has better reviews, Fermentis or Build a Beer?

Build a Beer is rated higher. Fermentis averages 2.1 out of 5 from 14 ratings, while Build a Beer averages 5.0 from 3 ratings.

### Do Fermentis or Build a Beer have ads?

Neither Fermentis nor Build a Beer shows ads.

### Which is updated more often, Fermentis or Build a Beer?

Fermentis ships an update every 6 weeks, and Build a Beer every 2 weeks. Most recently, Fermentis was updated on October 22, 2026 and Build a Beer on October 8, 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.*