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SourFriend Pro — The Smart Fermentation Controller for Sourdough Bakers

⚠️ This is a pre-order product. Estimated shipping: Sequential delivery starting from June 2026.

💲 All prices are displayed and payments are processed in USD (US Dollars).

Ever find yourself rearranging your whole day around your starter’s peak? SourFriend Pro is Toasterz’s app-connected smart fermentation controller — built for sourdough bakers who want their starter ready exactly when they are. Set your target time in the app, and SourFriend Pro handles the rest.

Why SourFriend Pro?

• Bake on your schedule — Set “tomorrow at 8am” or “Saturday afternoon” in the app, and SourFriend Pro automatically adjusts temperature and timing so your starter hits peak exactly when you need it.
• Minimize discard, maximize health — Smart fermentation control means less daily discard and a consistently healthy, active starter over the long term.
• Precise and worry-free — No more over-fermentation. SourFriend Pro keeps fermentation on track so your starter is always at its best when it’s time to mix your dough.
• Real-time app notifications — Track your starter’s progress from anywhere. Get notified the moment it’s at peak and ready to use.
• Compact and kitchen-friendly — Lightweight and designed to fit anywhere on your counter.
• For beginners and experienced bakers alike — Simple enough to start, precise enough to go further.

SourFriend Pro makes sourdough fermentation smarter, more consistent, and a whole lot more enjoyable. Your starter, your schedule.