Kombucha Keeper vs Bubbles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kombucha Keeper
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Kombucha Keeper helps you keep track of your Kombucha batches and notifies you when it might be ready.
Bubbles
Track your home fermentation projects with recipes, reminders, and notes. This app helps you manage sauerkraut, kimchi, kombucha, and more, with options to create your own recipes and store your progress.
- Fermentation recipes
- Custom recipe creation
- Batch notes and photos
- Ferment archive
- Guides on fermentation
- Offline functionality
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Bubbles keeps track of your home fermentation. Pick a recipe, follow the steps, and get a reminder when it's time to burp, taste, or move the jar to the fridge. - Recipes for sauerkraut, kimchi, kombucha, sourdough starter, tepache and more - Write your own recipes, or import one from a website link or pasted text (Premium) - Add notes and photos to each batch, and look back at finished ferments in the archive - Back up your ferments, recipes and photos and restore them on a new phone (backup with Premium, restoring is free) - Guides on salt, acidity, temperature, mold vs kahm yeast, cleaning and storage Made in Europe Bubbles is built by a small team in Europe and designed around GDPR principles. You don't need an account, and the app works offline. Your data stays on your device unless you turn on cloud backup, which stores it on our servers in the EU. We never sell data. Privacy Policy: https://bubblesferment.com/privacy-policy Terms of Use (EULA): https://bubblesferment.com/terms-of-service
Screenshots
Verdict
The clearest difference is in-app purchases: Kombucha Keeper at none against Bubbles's 2. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Bubbles sells 2 in-app purchases, starting at $3.99 per month. Kombucha Keeper asks for nothing beyond the download.
Kombucha Keeper ships an update every 2 months, Bubbles every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Kombucha Keeper | Bubbles |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 — better | 15.3 |
| Further details — not scored | ||
| Size | 23 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Wesley Dudok van Heel | MANTAS LATKAUSKAS |
In-app purchases
Kombucha Keeper
No in-app purchases
Bubbles
- Bubbles Premium Monthly$3.991 Month
- Bubbles Premium Annual1 Month trial$29.991 Year
Questions
Is Kombucha Keeper free?
Is Bubbles free?
Do Kombucha Keeper or Bubbles have ads?
Which is updated more often, Kombucha Keeper or Bubbles?
Other comparisons
