Sourdough,
Modernized.
The intelligent companion that tracks your starter, times your proof, and helps you bake with confidence.
Stop guessing. Start baking consistent, artisan-quality bread at home.
🚧 Public Beta — features may change. Your data is safe.
Join the growing community of bakers bringing the ancient art of sourdough into the modern kitchen.
Building in public on
Sourdough is science. We've done the math.
Never lose a starter again
Adaptive feeding reminders based on YOUR schedule. Going on vacation? We'll guide you through the pause. Busy week? We'll adjust the feeding.
Predictable proofing, every time
Our smart calculator uses your kitchen's temperature to predict bulk fermentation and proofing with professional accuracy. No more over-proofed bricks.
Log, learn, and replicate
Automatically record every detail: temperature, humidity, flour strength, and crumb shots. Identify what works and bake your best loaf every single time.
Recipes that adapt to your kitchen
Instantly scale any recipe to your desired dough weight. Baker's math is now automatic. Adjust hydration with a slider and see the formula update in real-time.
A complete sourdough system
From feeding your starter to slicing your loaf, Sourmate handles every step.
Visual Baking Timeline
See exactly where you are in the process. Smart notifications alert you when it's time for the next fold, rise check, or bake.
Starter Health at a Glance
Track multiple starters with ease. See feeding schedules, hydration percentages, and activity levels in one beautiful dashboard.
Rich Baking Journal
Document every detail. Upload crumb shots, rate your bakes, and keep a history of what worked (and what didn't).
Try the logic of Sourmate
Our calculator handles the baker's math so you don't have to. The full app includes automated timing based on your kitchen temperature.
Bakers' Math
Your Formula
Water to add
Pro Tip: This calculation assumes a 1:1 starter. High hydration (80%+) requires strong bread flour and advanced coil folding techniques.
Choose your baking plan
Level up your sourdough adventure with Sourmate Pro.
Sourmate Free
- Sourdough Guide
- Manual "Unspecified" Baking
- Basic Baking Calculator
- Support Center & FAQ
- PWA Support
Sourmate Pro
Pro Coming Soon
- Active Starter Tracking
- Unlimited Starters
- Unlimited Bake History
- Smart Timers & Alerts
- Pro Calculator & Prediction
All prices include VAT and taxes.
Become a Founding Baker
We're looking for the masters, the creators, and the enthusiasts to help us build the ultimate sourdough tool.
LIFETIME PRO ACCESS
Get every feature we ever build, for free, forever. Our way of saying thanks for early support.
DIRECT INFLUENCE
Talk directly to the developers. Request features that solve YOUR specific baking problems.
FEATURED STATUS
Early access to sharing features and the potential to be featured as a master baker in-app.
Email us at hello@sourmate.app with a link to your work or a short intro.
Built by bakers, for bakers
I started Sourmate because I was tired of the guesswork. consistency shouldn't depend on luck.
We're building the tool we wish we had when we started. No more spreadsheets, no more sticky notes, just a clean, smart companion that respects the craft.
Join us in bringing the art of sourdough into the digital age—without losing its soul.
Start baking today.
It's free.
Be part of the next generation of sourdough bakers.
Free during public beta. No credit card required.