Join the fermenting food world and learn how easy it is to create your own feel-good food. Hakko is the Japanese word for fermentation and this app guides you through this simple, yet satisfying process, with handy notifications letting you know when to take care of your ferments and when to taste your batches. Be inspired for your next creations by the effervescent community of like-minded fermenters.

Discover the fascinating world of fermentation and learn how to produce your own tongue-tingling delicacies such as kombucha, sourdough, kimchi, kefir, dill pickles and yoghurt. It’s so simple to do, most of the hard work is done while you wait!
Make creating delicious, nutritious food part of your daily routine, nourish your body and feel the benefits!

Ferment. Feel good.

What’s New

Version 1.02

- Big improvements on the fermentation reminder
- Added notification summary so that you won't miss other fermenters' batch activity
- Design update

App Privacy

The developer, Mediumrare Ltd, 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.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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