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Fermento
Never kill a sourdough starter again
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.
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.
On the analytics side, Fermento competes within iOS, Cooking and Food & Drink — topics that collectively have 123.1k followers on Product Hunt. The dashboard above tracks how Fermento performed against the three products that launched closest to it on the same day.
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.
For a complete overview of Fermento including community comment highlights and product details, visit the product overview.
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?