
FermentLog: Fermentation Log
Cultures, batches & readings
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Free
In-App Purchases
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About
FermentLog keeps culture care and every batch history in one private place.
- reusable cultures and local reminders;
- batch checks, target dates, status, and recipe checklist;
- temperature, pH, gravity, sensory notes, and photos;
- 8 offline plans with visible sources, favorites, and quick repeat;
- brine, hydration, and estimated ABV calculators;
- searchable history, insights, JSON backup restore, and CSV export;
- no account, ads, analytics SDKs, or developer data collection.
Sourdough, kombucha, and milk kefir are free with unlimited entries. FermentLog Pro unlocks all fermentation types and advanced insights.
FermentLog is a journal, not a laboratory safety test. Always follow current research-based recipes.
Privacy Policy: https://flonsus.com/apps/ferment-log/privacy/
Terms of Use: https://flonsus.com/apps/ferment-log/terms/
Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in FermentLog
1.0
September 19, 2026
5
Subscriptions & In-App Purchases
FermentLog Pro Yearly
Full FermentLog Pro access for one year.
$9.991 Year
7 Days trial





