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Fermento tells you when to feed, flip or check every jar, from a sourdough starter to kimchi, kombucha, koji or cured meat, and keeps the pH, salt and weight log as you go. Photograph a surface that looks wrong and get a keep-or-discard call. If you sell what you make, the same log turns into the food-safety plan (HACCP) you'd otherwise pay a consultant for, exported as an inspector-ready PDF.
I've been fermenting for about a decade, and at some point it got out of hand: I started building my own fermentation rigs and charcuterie fridges, automated curing chambers with temperature controllers and reptile heat mats, and ended up writing an automated version of HACCP, the food-safety system professional kitchens use.
1. Every batch has a plan. Pick what you're making and Fermento walks it through its stages with reminders. 2. Food safety you can follow. HACCP critical limits for cured meat and a PDF export for commercial makers. 3. Cultures with a family tree. Starters, SCOBY hotels and kefir grains keep their lineage.
New on iOS 26+: point the camera at a jar to pull up that batch, ask a question and get the answer from your own notes on the phone, ask Siri what's fermenting, and turn a step like burping the jar into a real alarm.
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About Fermento on Product Hunt
“Never kill a sourdough starter again”
Fermento was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #31 on the daily leaderboard. Fermento tells you when to feed, flip or check every jar, from a sourdough starter to kimchi, kombucha, koji or cured meat, and keeps the pH, salt and weight log as you go. Photograph a surface that looks wrong and get a keep-or-discard call. If you sell what you make, the same log turns into the food-safety plan (HACCP) you'd otherwise pay a consultant for, exported as an inspector-ready PDF.
Fermento was featured in iOS (111.1k followers), Cooking (9k followers) and Food & Drink (2.9k followers) on Product Hunt. Together, these topics include over 47.1k products, making this a competitive space to launch in.
Who hunted Fermento?
Fermento was hunted by Vadim Drobinin. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Vadim Drobinin
Hey Product Hunt 👋
I've been fermenting for about a decade, and at some point it got out of hand: I started building my own fermentation rigs and charcuterie fridges, automated curing chambers with temperature controllers and reptile heat mats, and ended up writing an automated version of HACCP, the food-safety system professional kitchens use.
1. Every batch has a plan. Pick what you're making and Fermento walks it through its stages with reminders.
2. Food safety you can follow. HACCP critical limits for cured meat and a PDF export for commercial makers.
3. Cultures with a family tree. Starters, SCOBY hotels and kefir grains keep their lineage.
New on iOS 26+: point the camera at a jar to pull up that batch, ask a question and get the answer from your own notes on the phone, ask Siri what's fermenting, and turn a step like burping the jar into a real alarm.
To celebrate the launch, PHLAUNCH2026 gets you 50% off the annual plan for the next month. Redeem it on your iPhone: https://apps.apple.com/redeem/?ctx=offercodes&id=6470132496&code=PHLAUNCH2026
Do you ferment? If yes, what went wrong in the most spectacular way for you? If no, what would it take for you to start?