The ultimate sourdough starter tracker, fermentation log, and bread baking journal for home bakers.

Sourdough Bread Lab is a complete sourdough tracker and baking companion designed to help you master sourdough bread making through precision, data, and fermentation science. Whether you want to track your sourdough starter feeding schedule, analyze starter vitality, or optimize your bulk fermentation, Sourdough Bread Lab turns every bake into a predictable success.

KEY FEATURES

• Sourdough Starter Tracker & Feeding Log
Log every starter feed with a built-in sourdough ratio calculator and flour blend slider (AP/WW). Track time-to-peak, rise percentage, and culture strength over time to ensure your sourdough starter is active and ready to bake. Also, plan a feed so that it peaks on your schedule.

• Fermentation Tracker & Peak Logger
Monitor pH, dough temperature, and volume expansion with interactive real-time fermentation charts. Predict exact bulk fermentation readiness using time, temperature, and visual observations.

• 21-Phase Bread Baking Timer & Step Runner
Follow your dough through up to 21 baking phases—from autolyse and stretch-and-folds to final proofing and baking—complete with live baking timers and phase notes.

• Sourdough Baking Journal & Calendar
Review your full baking history, refresh schedules, and bake logs on an interactive monthly calendar with streak tracking to improve your sourdough recipes over time.

• Offline-First & Private Cloud Backup
Your bread recipes and feeding logs stay safe on your device, with optional cloud sync across devices. No account required, no ads, and total data privacy.

Sourdough Bread Lab: Turning bakers into scientists, and back again.
Master sourdough bread baking with precision. Download Sourdough Bread Lab today and bake with better intelligence.