# Ferment vs Ferment Lab

The clearest difference is ads: Ferment Lab at none against Ferment's shown. Ferment's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Ferment sells 2 in-app purchases, starting at $7.99 per month and Ferment Lab sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Ferment ships an update every 6 weeks, Ferment Lab every 2 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | Ferment | Ferment Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 34 MB | 4 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rytis U](https://appshunter.io/developer/1890914933) | [Justin Pruskowski](https://appshunter.io/developer/466301805) |

## 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 |


### Ferment Lab

[App page](https://appshunter.io/ios/app/ferment-lab-batch-log/id6782225753)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ferment Lab Pro Monthly | $3.99 | per month |
| Ferment Lab Pro Annual | $29.99 | per year |
| Ferment Lab Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Ferment free?

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

### Is Ferment Lab free?

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

### Do Ferment or Ferment Lab have ads?

Ferment shows ads; Ferment Lab does not.

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

Ferment ships an update every 6 weeks, and Ferment Lab every 2 months. Most recently, Ferment was updated on October 8, 2026 and Ferment Lab 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.*