Project Sourdough
Jonas Holgersson Food & Drink iPhoneiPadiPod touch
Project Sourdough is a free Food & Drink app for iPhone and iPad by Jonas Holgersson. Requires iOS 15.0.0. Updated October 21, 2026.
- Price
- Free
- on the App Store
- Size
- 62 MB
- Age 4+
- Updated
- Oct 21
- 2026 · v1.2.11
Screenshots
About Project Sourdough
Project Sourdough is the all-in-one sourdough app that helps you track your sourdough starter, calculate hydration, manage recipes, and bake consistently better bread. Whether you’re maintaining your first starter or refining advanced techniques, this app gives you the tools to understand fermentation and improve every bake. Everything You Need for Sourdough Success • Sourdough Starter Tracker — Log feedings, monitor growth, and set smart reminders so your starter stays healthy and active • Hydration & Ratio Calculator — Instantly calculate hydration percentages, levain amounts, and dough ratios without complicated math • Recipe Manager — Save, organize, and customize your favorite sourdough recipes in one place • Complete Bake Workflow — Plan every stage from autolyse and bulk fermentation to shaping, proofing, and baking • Beginner Courses — Learn sourdough basics with clear, step-by-step lessons designed for new bakers • Community Sharing — Share your bakes, recipes, and tips with other sourdough enthusiasts • Advanced Tools — Precision features for experienced bakers who want full control over fermentation timing and consistency Built for Every Type of Baker From keeping a healthy sourdough starter to running consistent daily bakes, Project Sourdough helps you stay organized, reduce guesswork, and understand the science behind fermentation. Track starter activity, perfect hydration levels, and time every stage with confidence. Why Bakers Love Project Sourdough • Improves fermentation accuracy and reduces failed bakes • Makes sourdough baking more predictable and enjoyable • Helps beginners learn faster while giving experienced bakers better control • Encourages creativity, experimentation, and community connection Project Sourdough is more than a baking app — it’s your personal companion for better sourdough bread, built around passion, precision, and the joy of great loaves.
What’s new
Version 1.2.11 · Updated October 21, 2026
- Improved performance - Updates to the user experience - Fixed minor bugs
App privacy
The developer, Jonas Holgersson, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Contact Info: Name, Email Address
- Identifiers: Device ID
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Product Personalization, App Functionality
Alternatives to Project Sourdough
Looking for apps like Project Sourdough? Here are 6 similar apps on the App Store. The highest rated is Sourdough Buddy (5.0/5), and all 6 are free to download.
-
The Baker: Dough Calculator
-
Sourdough Tracker - ST
-
Rise and Feed
-
Sourdough Buddy
5.0
-
The Dough Lab - Bread Baking
4.9
-
Sourdough Tracker: Starter Log
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Project Sourdough | – | Free | October 21, 2026 | |
| The Baker: Dough Calculator | – | Free | Oct 11, 2026 | Compare |
| Sourdough Tracker - ST | – | Free | Mar 25, 2026 | Compare |
| Rise and Feed | – | Free | Jul 26, 2026 | Compare |
| Sourdough Buddy | 5.0 / 5 (1) | Free | Jul 9, 2026 | Compare |
| The Dough Lab - Bread Baking | 4.9 / 5 (9) | Free | Oct 21, 2026 | Compare |
| Sourdough Tracker: Starter Log | 5.0 / 5 (1) | Free | Sep 25, 2026 | Compare |
Compare Project Sourdough with the top alternatives: ratings, updates, ASO score and keyword gaps →