# Kombu Time vs FermentLog

The clearest difference is in-app purchases: Kombu Time at none against FermentLog's 5. Kombu Time also leads on iOS requirement (15.3 vs 17.0). FermentLog's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. FermentLog sells 5 in-app purchases, starting at $9.99 per year. Kombu Time asks for nothing beyond the download.

Kombu Time ships an update every 3 months, FermentLog every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kombu Time | FermentLog |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 37 MB | 3 MB |
| Requires iOS | **15.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Lammert Westerhoff](https://appshunter.io/developer/1043536838) | [PETRO VAKULENKO](https://appshunter.io/developer/6795234946) |

## 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


### FermentLog

[App page](https://appshunter.io/ios/app/fermentlog-fermentation-log/id6808309840)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FermentLog Pro Yearly | $9.99 | per year |
| Small Support Tip | $2.99 | one-time |
| Medium Support Tip | $4.99 | one-time |
| Large Support Tip | $9.99 | one-time |
| FermentLog Pro Lifetime | $16.99 | one-time |


## Frequently asked questions

### Is Kombu Time free?

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

### Is FermentLog free?

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

### Do Kombu Time or FermentLog have ads?

Neither Kombu Time nor FermentLog shows ads.

### Which is updated more often, Kombu Time or FermentLog?

Kombu Time ships an update every 3 months, and FermentLog every 3 weeks. Most recently, Kombu Time was updated on October 30, 2026 and FermentLog on October 31, 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.*