Crumb: AI Sourdough Coach
Analyze Fermentation & Bakes
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
New: a warmer design, a Getting Started guide from starter to first loaf, weekly bake streaks, and fairer crumb scores. Read your crumb — then bake better.
Better Bread Through Better Feedback
Crumb is your AI sourdough companion — from feeding your starter to reading the crumb. Snap a photo of any loaf and get instant feedback on fermentation, crumb structure, hydration, and overall bake quality, then track every loaf in a beautiful baking journal.
AI Crumb Analysis
• Analyze crumb openness and evenness
• Evaluate fermentation — under, well, or over
• Spot common baking issues
• Get specific, next-bake recommendations
• A tasting-note scorecard for every loaf
Proofing Tracker
• Time bulk fermentation and final proof
• Temperature-aware "ready around" predictions
• Cold-retard and out-of-the-fridge modes
• Snap a photo mid-proof for an instant "is it ready?" read
Starter Coach
• Log feedings and see when your starter will peak
• Photograph it for an AI health check
• A from-scratch starter guide for beginners
Baker's Tools
• Mixing-water calculator to hit your target dough temp
• Recipe vault for your formulas, hydration, and notes
Your Baking Journal
• A complete, photo-first history of your bakes
• Track your score, best crumb, and streak over time
• Nickname and favorite your proudest loaves
• Ask the AI coach anything about a specific bake
Built for Serious Home Bakers
Whether you're baking your first country loaf or refining competition-quality sourdough, Crumb helps you understand and improve every bake.
Download Crumb and turn every loaf into a learning opportunity.
Terms: https://www.zencodex.io/apps/crumb/terms
What's new in 1.6:
• A fresh look — a warmer, sharper design across Home, results, progress, recipes and community, with your latest bake front and centre.
• Getting started guide — five short chapters that take you from a jar of flour and water to your first loaf, with steps you can tick off and a quick quiz for each.
• Fairer crumb scores — a wider scoring range, so a great loaf can earn a 9.
• Bake streaks and celebrations — keep a weekly streak and hit milestones.
• Progress page — best, average, loaf count and a score trend at a glance.
• Small polish and haptics throughout.
The developer, Zenmonkeys Digital LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Zenmonkeys Digital LLC
- Size
- 19.5 MB
- Category
- Food & Drink
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Contains
User-Generated Content
Social Media
- In-App Purchases
Yes
- Crumb Pro (Annual) $34.99
- Crumb Pro $4.99
- 15 Scans $3.99
- 3 Scans $0.99
- Copyright
- © Zenmonkeys Digital LLC
