# Fermentor vs Ferment

The clearest difference is ads: Fermentor at none against Ferment's shown. Fermentor also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Fermentor sells 1 in-app purchase, starting at $0.99 per month and Ferment sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Fermentor ships an update every 5 weeks, Ferment every 6 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fermentor | Ferment |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Paid | — |
| Size | 49 MB | 34 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Studio Zoetekauw](https://appshunter.io/developer/1789121111) | [Rytis U](https://appshunter.io/developer/1890914933) |

## What reviewers say

### Fermentor

[App page](https://appshunter.io/ios/app/fermentor/id978419457)

This app helps you meticulously plan and track your fermentation projects. It provides a clear overview of upcoming tasks, allows you to add detailed notes and photos, and offers pre-made templates for various ferments. You can also save your own custom templates for future use.

**Highlights:** Track fermentation projects, Project overview and reminders, Add pictures and notes, Use pre-made templates, Create custom templates, Supports English and Dutch

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fermentor Pro | $0.99 | per month |


### 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 Fermentor free?

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

### Is Ferment free?

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

### Do Fermentor or Ferment have ads?

Ferment shows ads; Fermentor does not.

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

Fermentor ships an update every 5 weeks, and Ferment every 6 weeks. Most recently, Fermentor was updated on October 3, 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.*