# Fermentation Journal vs KimchiLab

The clearest difference is in-app purchases: KimchiLab at none against Fermentation Journal's 5. Fermentation Journal's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fermentation Journal sells 5 in-app purchases, starting at $3.99 per 7 days. KimchiLab asks for nothing beyond the download.

Fermentation Journal ships an update monthly, KimchiLab every 2 months. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Fermentation Journal | KimchiLab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 109 MB | 15 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Drobinin Limited](https://appshunter.io/developer/1713029153) | [Yoojin Jang](https://appshunter.io/developer/1884420870) |

## What reviewers say

### 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 |


### KimchiLab

[App page](https://appshunter.io/ios/app/kimchilab/id6760902267)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fermentation Journal free?

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

### Is KimchiLab free?

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

### Do Fermentation Journal or KimchiLab have ads?

Neither Fermentation Journal nor KimchiLab shows ads.

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

Fermentation Journal ships an update monthly, and KimchiLab every 2 months. Most recently, Fermentation Journal was updated on October 24, 2026 and KimchiLab on October 3, 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.*