# Fermentation Lab vs Ferment

The clearest difference is in-app purchases: Fermentation Lab at none against Ferment's 2. Fermentation Lab also leads on ads (none vs shown) and update cadence (fortnightly vs every 6 weeks). On price there is nothing between them.

Both are free to download. Ferment sells 2 in-app purchases, starting at $7.99 per month. Fermentation Lab asks for nothing beyond the download.

Fermentation Lab ships an update fortnightly, Ferment every 6 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fermentation Lab | Ferment |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 84 MB | 34 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Lice](https://appshunter.io/developer/1888002310) | [Rytis U](https://appshunter.io/developer/1890914933) |

## What reviewers say

### Fermentation Lab

[App page](https://appshunter.io/ios/app/fermentation-lab-ferments/id6761143434)

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

**In-app purchases:** none


### Ferment

[App page](https://appshunter.io/ios/app/ferment-fermentation-tracker/id6761690636)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferment Premium | $7.99 | per month |
| Ferment Premium | $49.99 | per year |


## Frequently asked questions

### Is Fermentation Lab free?

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

### Is Ferment free?

Ferment is free to download, with in-app purchases available.

### Do Fermentation Lab or Ferment have ads?

Ferment shows ads; Fermentation Lab does not.

### Which is updated more often, Fermentation Lab or Ferment?

Fermentation Lab ships an update fortnightly, and Ferment every 6 weeks. Most recently, Fermentation Lab was updated on October 24, 2026 and Ferment 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.*