Your Sourdough Starter, Sorted.
One interactive file. Four tools. Everything you need to grow, feed, and bake your first loaf — and every loaf after that.
Four tools. One file. Zero faff.
Everything opens in your browser — no app, no account, no internet required after download.
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7-Day Guide
Day-by-day starter care with a progress tracker you tick off as you go.
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Dough Calculator
Enter your loaf size and hydration. Get exact gram measurements instantly.
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Bake Scheduler
Tell it when you wake up. It tells you exactly when to do everything else.
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Troubleshooter
Flat loaf? Dense crumb? Tap the problem, get the fix.