Great bread starts with great sourdough.

BUBBLY BUBBLY Pure
World's first smart device that measures real fermentation through CO₂.

Created with care by bakers, for bakers.

Get early access

Sourdough can feel unpredictable. One day perfect, the next a complete mystery.

Your starter is a living ecosystem shaped by temperature, feeding, flour, and microorganisms – and small changes create big differences.

[data-wf-bgvideo-fallback-img] { display: none; } @media (prefers-reduced-motion: reduce) { [data-wf-bgvideo-fallback-img] { position: absolute; z-index: -100; display: inline-block; height: 100%; width: 100%; object-fit: cover; } }

Why bakers love BUBBLY BUBBLY

BUBBLY BUBBLY Pure reveals the hidden biology of sourdough – measuring real fermentation, predicting peaks, and guiding every feeding.

What BUBBLY BUBBLY does

Smart sourdough monitoring
A beautiful jar with sensors that monitor your sourdough over time.

Real CO₂ fermentation tracking
CO₂ is one of the clearest signs that your sourdough is alive and active.

Mobile app
Check your sourdough from the couch, from work, while travelling.

Dr. Dough - AI baking assistant
Personalized guidance that learns from your sourdough's behavior.

How it works

Feed your sourdough

Place your sourdough into the BUBBLY BUBBLY jar.

Let it track fermentation

Sensors follow activity over time.

Know what to do next

The app helps you decide when to bake, wait, or feed.

Once READY

Use your sourdough to make a bread.

Once FEED

Time to refresh your sourdough, feed it with water and flour.