# Levain Log vs S.D Timer Pro

The clearest difference is in-app purchases: S.D Timer Pro at none against Levain Log's 1. S.D Timer Pro also leads on update cadence (daily vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Levain Log sells 1 one-off in-app purchase. S.D Timer Pro asks for nothing beyond the download.

Levain Log ships an update every 4 weeks, S.D Timer Pro daily. Both last shipped on September 23, 2026.

## The numbers

| Metric | Levain Log | S.D Timer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/levain-log-sourdough-journal/id6760217280/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Monetization | Freemium | — |
| Size | 42 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JOHN GILL](https://appshunter.io/developer/1883304821) | [oran kamelgarn](https://appshunter.io/developer/1884948105) |

## What reviewers say

### Levain Log

[App page](https://appshunter.io/ios/app/levain-log-sourdough-journal/id6760217280)

This app helps home bakers master sourdough by tracking bulk fermentation and providing detailed bake journals. It uses temperature-aware timing and offers features like stretch and fold logging and proofing timers to eliminate guesswork and improve results.

**Highlights:** Temperature-aware bulk fermentation timing (Q10), Stretch and fold logging with timestamps, Multiple proofing timers with notifications, Hydration calculator, Bake journal with photos and ratings (Premium), Unlimited recipe storage (Premium), Data export (CSV, JSON, PDF) (Premium)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Levain Log Premium | $4.99 | one-time |


### S.D Timer Pro

[App page](https://appshunter.io/ios/app/sd-timer-pro/id6760554281)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Levain Log free?

Levain Log is free to download, with in-app purchases available.

### Is S.D Timer Pro free?

S.D Timer Pro is free to download, with no in-app purchases.

### Do Levain Log or S.D Timer Pro have ads?

Neither Levain Log nor S.D Timer Pro shows ads.

### Which is updated more often, Levain Log or S.D Timer Pro?

Levain Log ships an update every 4 weeks, and S.D Timer Pro daily. Most recently, Levain Log was updated on September 23, 2026 and S.D Timer Pro on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*