# Ferment vs Brine Ferment Log

The clearest difference is in-app purchases: Brine Ferment Log at none against Ferment's 2. Brine Ferment Log also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Ferment | Brine Ferment Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Size | 34 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rytis U](https://appshunter.io/developer/1890914933) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### 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 |


### Brine Ferment Log

[App page](https://appshunter.io/ios/app/brine-ferment-log/id6771422409)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ferment free?

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

### Is Brine Ferment Log free?

Brine Ferment Log is free to download, with no in-app purchases.

### Do Ferment or Brine Ferment Log have ads?

Ferment shows ads; Brine Ferment Log does not.

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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.*