Fermentor
Fermentation Made Simple
Free · In‑App Purchases
Fermentor — your personal fermentation companion
Make better ferments, every time — with smart tools, reliable timers and clear supporting guides.
Fermentor helps you turn fresh ingredients into delicious ferments — whether it’s your first jar of sauerkraut or a long-term miso project. Designed for beginners and experienced fermenters alike, Fermentor combines practical tools, clear step-by-step guidance and a flexible recipe system so you spend less time guessing and more time creating.
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FREE FEATURES
These features are available to all users:
• Basic recipe library — Includes foundational ferments such as sauerkraut, pickles, kombucha and sourdough bread.
• Custom recipes — Create and save your own fermentation recipes.
• Timers & project tracking — Start fermentation projects, set reminders and track progress.
• Works offline — Your data stays on your device.
• English & Dutch — Switch between languages anytime.
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PRO FEATURES (subscription required)
Upgrade to Fermentor Pro to unlock advanced tools and deeper content:
• Logbook for detailed project notes and observations
• Growing recipe library — Access expanded and regularly updated recipes, including advanced and experimental ferments.
• AI-Powered Recipe Generator — Describe your ingredients and flavor preferences and get custom-generated recipes and variations.
• Archive projects — Store completed projects and restart them later.
• Voice dictation for recipes — Capture recipe ideas and fermentation notes using your voice.
• Salt calculator
• Fermentation planner (including long-term aging and bread pre-ferment planner)
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Privacy & AI
Your data stays on your device. Fermentor only uses AI features when you choose to activate them.
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Who it’s for
• New fermenters seeking clear guidance.
• Home cooks running multiple jars and long projects.
• Workshop participants and food professionals who want a structured way to track and refine results.
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About the maker
Created by Berend Weij, an experienced fermentation practitioner who teaches workshops and develops recipes in Ede and Utrecht (the Netherlands).
Start your fermenting journey today — from your first bubbly jar of sauerkraut to a slow-aged miso. Fermentor brings hands-on tradition together with smart digital tools.
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Fermentor Pro Subscription
Fermentor Pro is an optional monthly subscription that unlocks premium features, including:
• AI-powered recipe generator
• Logbook
• Salt calculator
• Expanded recipe library
• Archive & restore projects
• Voice dictation tools
Price: €0.99 per month
Auto-renewing: Yes, until cancelled
Manage: Apple ID → Subscriptions
Terms of Use (Apple EULA)
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy
https://www.studiozoetekauw.nl/fermentor-privacy/
- This app’s overall rating was recently reset.
Adds multi column layout for tablets.
The developer, Studio Zoetekauw, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Studio Zoetekauw
- Size
- 50.7 MB
- Category
- Food & Drink
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later.
- iPhone
- Languages
- English and Dutch
- Age Rating
18+
- 18+
- Frequent
Alcohol, Tobacco, Drug Use or References
- In-App Purchases
Yes
- Fermentor Pro $0.99
- Copyright
- © 2026 Studio Zoetekauw
