








SourFriend takes the guesswork out of sourdough starter care with app-controlled smart fermentation, so your culture is ready when you are. A thermoelectric module keeps temperature precise within 0.5 °C, while four built-in sensors track heat, humidity, and rise height to predict peak time. Set your target time in the app or on the LCD display and get a notification when your starter hits its sweet spot. Use the feeding timer to stay on track, and switch to refrigeration mode to keep your starter stable between bakes. A removable container simplifies cleaning and fridge storage, and energy-efficient cooling maintains a steady environment. Designed for first-time bakers and seasoned pros, it brings consistency to a living process without the stress. Back SourFriend on Kickstarter.
Helping everyone bake better sourdough. Toasterz builds smart tools like SourFriend to make fermentation easier, more precise, and stress-free - for beginners and pros alike.
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The Darwin M2 is a versatile tool for makers and learners—Kickstarter-funded and ready to ship.
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