Calculate the perfect brine, track every batch, and explore 66 recipes. Fermentio is the smartest fermentation companion for iOS.
No guesswork. No spreadsheets. Just great ferments.
Pick your ingredient and fermentation method from 6 options.
Get the perfect brine ratio — salt, water, and sugar to the gram.
Save your batch to the diary and let fermentation begin.
Track bubbles, cloudiness, taste — with photos and daily notes.
Smart reminders tell you when to burp, taste, or move to the fridge.
Your homemade fermented foods are ready. Buon appetito!
A precision toolkit built for home fermenters, from beginners to experts.
Six fermentation methods. Exact salt, water, and sugar ratios calculated to the gram for your jar size.
Track every batch from start to finish with daily logs, photos, tasting notes, and a real-time progress bar.
Fermentio schedules reminders tailored to your method — burping, brine checks, taste tests, and fridge alerts.
Fermentation 101, the two-phase method guide, gut health science, interactive troubleshooting, and a seasonal calendar.
32 complete recipes and 34 flavor infusion profiles. Every recipe includes step-by-step instructions, jar scaling, pairing ideas, and pro tips.
One purchase. Forever yours. No subscriptions.
Yes. Lacto-fermentation is one of the oldest and safest food preservation methods. The lactic acid produced by beneficial bacteria creates an environment where harmful pathogens cannot survive. Fermentio includes safety guidance and troubleshooting to help you ferment with confidence.
No. A glass jar, non-iodized salt, filtered water, and fresh vegetables are all you need. Fermentio calculates the rest.
It separates fermentation and flavoring into two steps. Step 1 uses a high-salt brine (10%) to lock in crunchiness. Step 2 is a cold infusion in the fridge where you add your chosen flavors. The result: maximum crunch, infinite flavor combinations.
No. All your data (batches, logs, photos, settings) is stored locally on your device using Apple's SwiftData. Nothing is sent to any server.
Yes. Tap "Restore Purchases" in the Profile tab. Your premium purchase is tied to your Apple ID and transfers to any device.
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