# Yeast: Sourdough & Pizza — Learns your sourdough starter

> Learns your sourdough starter (iPhone/iPad app by Philipp Mack.)

- Source: https://appshunter.io/ios/app/yeast-sourdough-and-pizza/id6779570269 (this page in markdown: same URL + `.md`)
- Developer: [Philipp Mack](https://appshunter.io/developer/6779570271)
- Category: Food & Drink
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 4 MB
- Languages: American English, German (Germany)
- Released: 2026-09-02
- Data updated: 2026-10-31

## What is Yeast?

Two starters fed the same way can peak hours apart. A generic chart can't know which one is yours. Yeast learns it.

Log your feeds and your kitchen temperature, and Yeast predicts the peak. Once you've logged three real peaks, Yeast calibrates the model to your culture, free, and every prediction after that gets sharper as you keep logging. Tell it when you want to bake, and it plans backwards from there, so feeds, ferments and folds land on your oven time.

No AI guessing, no account, no ads. Everything runs on your phone. Pro is $19.99 a year with a 14-day free trial, or buy it once for $49.99 and keep it for good.

FREE, AND GENEROUS
• A sourdough starter with feed logging, peak predictions and reminders — plus an activation planner that back-solves your feed schedule from "ready to bake Saturday 9am".
• Per-starter calibration — after three logged peaks, predictions tune to YOUR culture. Every peak you log after that sharpens it.
• The FULL pizza dough calculator — Direct, Biga, Poolish and Sourdough methods, multi-flour, backward-solved to your bake time. Free forever, no ads.
• The Balance instrument — see whether your dough will land tenacious or extensible before you mix, with plain-language fixes when it drifts.
• A bake journal with photos, plus saved presets.

YEAST PRO
• Bread module — levain loaf recipes, the mix-water temperature to hit your target dough temp, and bulk-rise targets with aliquot-jar guidance.
• Croissant module — lamination geometry for any fold sequence, butter-block quantities, and a proof-temperature guardrail.
• Unlimited starters, unlimited journal entries, unlimited saved recipes, and every maker preset.

WHY IT'S DIFFERENT
Most apps count one number: total hours. Yeast models fermentation the way it actually works — time AND temperature, with separate curves for yeast activity and gluten breakdown. It knows a warm stage after a cold one behaves differently than the reverse. It knows every flour has a fermentation budget and warns you before you blow past it and the dough collapses. That's the difference between a timer and an engine that tells you why.

PRIVATE BY DESIGN
Everything runs on-device. No login, no tracking, no cloud. Your starters, your journal, your recipes — yours, on your phone.

Fully available in English and German — interface and baking guidance.

YEAST PRO PRICING
$19.99/year with a 14-day free trial · $2.99/month · or $49.99 once for lifetime access.

Yeast Pro Annual and Monthly are auto-renewing subscriptions. Payment is charged to your Apple ID at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours prior to the end of the period. Manage or cancel anytime in your App Store account settings. The Lifetime option is a one-time purchase. Any unused portion of a free trial is forfeited when a subscription is purchased.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://yeast-baking.netlify.app/privacy.html

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yeast Pro - Yearly | $19.99 | per year |
| Yeast Pro - Monthly | $2.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Yeast Pro - Lifetime | $49.99 | one-time |


## Is Yeast safe?

Not enough ratings yet to assess Yeast.

## Is Yeast legit?

Yeast: Sourdough & Pizza has limited verification signals. The AppsHunter Legitimacy Score for Yeast is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.9 — 2026-10-29

Activation plans: plan the feeds that get your starter ready for bake day and save the plan. Yeast shows the next step on the starter page and reminds you of each feed. Your regular feed reminder pauses while the plan runs.

Hybrid pizza: add a little fresh yeast to a sourdough plan. The recipe lists it in grams, and the Balance gauge warns when the yeast alone would raise the dough, so the starter on top would over-proof it.

### 1.8 — 2026-10-26

Per-starter calibration is now free. Log three real peaks and Yeast tunes its peak predictions to your culture, no Pro needed.

Pizza stages can be reordered: long-press a stage and drag it into place.

### 1.7 — 2026-10-22

• Plan your mixing time: a new Mix stage, and every preset now includes 15 minutes of kneading, so the whole schedule starts on time.
• Reorder stages: each stage has a menu to move it up or down, insert a stage above it, or remove it.
• Number keyboards now have a checkmark button to close them.

### 1.6 — 2026-10-09

• Rename a bake: give a running bake or any journal entry a new name, and the Live Activity on your lock screen updates with it.

### 1.5 — 2026-10-08

• Every planner and recipe form now checks that its numbers make sense (stage times, temperatures, piece counts and weights, hydration, salt, butter, starter feeds) and tells you which field to fix, instead of producing an impossible plan.
• Decimal numbers use your app language's separator, whatever region your keyboard is set to.
• Restoring a backup is more reliable when restores happen back to back or get interrupted.

## Apps similar to Yeast

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| [S.D Timer](https://appshunter.io/ios/app/sd-timer/id6760845675) | — | Free | Food & Drink |
| [CT Legacy Version](https://appshunter.io/ios/app/ct-legacy-version/id893759800) | 3.9 (184) | Free | Food & Drink |

## Related topics

[yeast](https://appshunter.io/ios/topics/yeast)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*