Fresh bread, exactly when you want it.
Set the hour the loaf comes out. Crumb plans every step backwards and recalculates as your dough’s temperature changes.
Recipes tell you “bulk ferment 4 hours”. Your kitchen was 19 °C, so it wasn’t ready — or 27 °C, so it over-proofed while you slept. You end up babysitting a bowl all day, or slicing into a dense loaf and not knowing which step went wrong.
Crumb starts from the finish line. You say when you want the loaf out of the oven; it schedules feed → autolyse → bulk → folds → shape → proof → bake backwards from that hour, and re-times what’s left every time you tell it the dough’s temperature. A notification lands for each stage, so nothing depends on you remembering.
A schedule that reacts to your kitchen
Tell Crumb when you want bread. It plans feed, autolyse, bulk, folds, shape, proof and bake backwards from that moment. Warmer dough shortens the stages, cooler dough stretches them — the plan updates instead of going stale.
Know your starter, not just its schedule
Log feedings and watch the rise curve build up over days, with an estimate of when your starter hits peak. Keep several jars going, each with its own reminders, and stop doing the float test out of superstition.
The calculators are free. All of them.
Baker’s percentage for any recipe, a full pizza dough calculator for Neapolitan, New York and pan styles, hydration and unit conversion. No paywall, no account, no “3 free uses” counter.
Try it right here — drag the sliders and the recipe recalculates.
Photograph the crumb, get a straight answer
Snap the sliced loaf and Crumb reads the crumb structure, crust and signs of under- or over-proofing, then says what to change next time. It’s the feedback loop that a book can’t give you.
The next step, on your Lock Screen
Home and Lock Screen widgets show the stage you’re in and the time left, and a Live Activity keeps the bake on your Dynamic Island. During a bake you never have to open the app to know what’s next.
See it plan a bake.
Move the dial. Watch the whole day re-time itself.
Timings are approximate — a friendly illustration, not a recipe.
This is one bake, planned in five seconds. The app does this for every loaf, and reminds you at each step.
Three steps to a better loaf.
Pick your finish time
Say when the loaf should come out of the oven.
Bake with the plan
Crumb walks you through each stage and pings you when it’s time to fold, shape or bake.
Log it and learn
Save the bake with photos and notes, scan the crumb, and let the next loaf start from what worked.
For the bakes you do every week.
Crumb Pro is for the bakes you do every week, not the first one you try.
- Unlimited AI crumb scans
- The temperature-smart schedule for every bake
- Multiple starters with their own feeding reminders
- An unlimited bake journal with photos and notes
- Premium recipes
Start a free trial in the app.