# Kombu Time vs Fermentation Lab

The clearest difference is update cadence: Fermentation Lab at fortnightly against Kombu Time's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Kombu Time ships an update every 3 months, Fermentation Lab fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kombu Time | Fermentation Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/kombu-time/id6642685148/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 37 MB | 84 MB |
| Requires iOS | 15.3 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lammert Westerhoff](https://appshunter.io/developer/1043536838) | [Antonio Lice](https://appshunter.io/developer/1888002310) |

## What reviewers say

### Kombu Time

[App page](https://appshunter.io/ios/app/kombu-time/id6642685148)

This app simplifies the kombucha brewing process by offering straightforward tracking of fermentations, timely notifications, and an overview of all your brews. It allows optional logging of flavors and tea types, with a brew history and exportable data.

**Highlights:** Brew management for first and second fermentation, Home screen widgets for brew status, Timely bottling and readiness notifications, At-a-glance brew overview, Brew history and statistics, Optional flavor and tea type tracking, Exportable brewing data

**Features:** macOS Compatibility

**In-app purchases:** none


### Fermentation Lab

[App page](https://appshunter.io/ios/app/fermentation-lab-ferments/id6761143434)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kombu Time free?

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

### Is Fermentation Lab free?

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

### Do Kombu Time or Fermentation Lab have ads?

Neither Kombu Time nor Fermentation Lab shows ads.

### Which is updated more often, Kombu Time or Fermentation Lab?

Kombu Time ships an update every 3 months, and Fermentation Lab fortnightly. Most recently, Kombu Time was updated on October 24, 2026 and Fermentation Lab on October 24, 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.*