# Sourdough Bread Proofing Timer vs CrumbKeep

The clearest difference is in-app purchases: Sourdough Bread Proofing Timer at none against CrumbKeep's 3. CrumbKeep's advantage is update cadence (every 11 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CrumbKeep sells 3 in-app purchases, starting at $4.99 per month. Sourdough Bread Proofing Timer asks for nothing beyond the download.

Sourdough Bread Proofing Timer ships an update every 4 months, CrumbKeep every 11 days. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sourdough Bread Proofing Timer | CrumbKeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Size | 6 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) | [Romuald Bruguier](https://appshunter.io/developer/6774565103) |

## What reviewers say

### Sourdough Bread Proofing Timer

[App page](https://appshunter.io/ios/app/sourdough-bread-proofing-timer/id6771844628)

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

**In-app purchases:** none


### CrumbKeep

[App page](https://appshunter.io/ios/app/crumbkeep-sourdough-bread/id6788656504)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Yearly Pro | $29.99 | per year |
| Lifetime Pro | $49.99 | one-time |


## Frequently asked questions

### Is Sourdough Bread Proofing Timer free?

Sourdough Bread Proofing Timer is free to download, with no in-app purchases.

### Is CrumbKeep free?

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

### Do Sourdough Bread Proofing Timer or CrumbKeep have ads?

Neither Sourdough Bread Proofing Timer nor CrumbKeep shows ads.

### Which is updated more often, Sourdough Bread Proofing Timer or CrumbKeep?

Sourdough Bread Proofing Timer ships an update every 4 months, and CrumbKeep every 11 days. Most recently, Sourdough Bread Proofing Timer was updated on October 15, 2026 and CrumbKeep on October 13, 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.*