# Kombucha fermentCal vs DinnerDeck

The clearest difference is in-app purchases: Kombucha fermentCal at none against DinnerDeck's 2. DinnerDeck's advantage is iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DinnerDeck sells 2 in-app purchases, starting at $4.99 per month. Kombucha fermentCal asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Kombucha fermentCal | DinnerDeck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 29 MB | 43 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Nesvera](https://appshunter.io/developer/1888274984) | [Ricky Francis](https://appshunter.io/developer/6772518284) |

## What reviewers say

### Kombucha fermentCal

[App page](https://appshunter.io/ios/app/kombucha-fermentcal/id6761208832)

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

**In-app purchases:** none


### DinnerDeck

[App page](https://appshunter.io/ios/app/dinnerdeck/id6772518282)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DinnerDeck Monthly | $4.99 | per month |
| DinnerDeck Yearly | $49.99 | per year |


## Frequently asked questions

### Is Kombucha fermentCal free?

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

### Is DinnerDeck free?

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

### Do Kombucha fermentCal or DinnerDeck have ads?

Neither Kombucha fermentCal nor DinnerDeck shows ads.

### Which is updated more often, Kombucha fermentCal or DinnerDeck?

Kombucha fermentCal ships an update every 2 weeks, and DinnerDeck every 2 weeks. Most recently, Kombucha fermentCal was updated on October 25, 2026 and DinnerDeck on October 15, 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.*