# Fermentor vs Fermentation Journal

The clearest difference is iOS requirement: Fermentor at 15.1 against Fermentation Journal's 17.0. On price, update cadence, ads 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 Fermentation Journal sells 5 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Fermentor ships an update every 6 weeks, Fermentation Journal monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fermentor | Fermentation Journal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Paid | — |
| Size | 49 MB | 109 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Studio Zoetekauw](https://appshunter.io/developer/1789121111) | [Drobinin Limited](https://appshunter.io/developer/1713029153) |

## 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 |


### Fermentation Journal

[App page](https://appshunter.io/ios/app/fermentation-journal-fermento/id6470132496)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Culture Pro Weekly | $3.99 | per 7 days |
| Culture & Probiotic Pro | $7.99 | per month |
| Culture & Probiotic Pro | $59.99 | per year |
| HACCP Safety Compliance Pro | $179.99 | per year |
| Lifetime (Personal) | $199.99 | one-time |


## Frequently asked questions

### Is Fermentor free?

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

### Is Fermentation Journal free?

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

### Do Fermentor or Fermentation Journal have ads?

Neither Fermentor nor Fermentation Journal shows ads.

### Which is updated more often, Fermentor or Fermentation Journal?

Fermentor ships an update every 6 weeks, and Fermentation Journal monthly. Most recently, Fermentor was updated on October 24, 2026 and Fermentation Journal on October 17, 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.*