# Sourflow vs Crumb

The clearest difference is chart position: Crumb at #191 against Sourflow's unranked. Sourflow's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sourflow sells 4 in-app purchases, starting at $0.99 per 7 days and Crumb sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 25, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Sourflow | Crumb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/crumb-sourdough-bread-reader/id6777581829/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | — | Freemium |
| Best chart rank | — | **#191** |
| Size | 55 MB | 20 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [stefano imparato](https://appshunter.io/developer/1873023395) | [Zenmonkeys Digital LLC](https://appshunter.io/developer/1868802546) |

## What reviewers say

### Sourflow

[App page](https://appshunter.io/ios/app/sourflow-sourdough-tracker/id6758458552)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $34.99 | per year |
| Lifetime | $119.00 | one-time |


### Crumb

[App page](https://appshunter.io/ios/app/crumb-sourdough-bread-reader/id6777581829)

**Currently charting:** #191 Top Grossing · Food & Drink (US App Store)

This AI-powered companion analyzes your sourdough bread's fermentation, crumb structure, and hydration from a single photo. It provides personalized recommendations for future bakes and tracks your progress in a detailed baking journal. Features include proofing timers, starter health checks, and baking calculators.

**Highlights:** AI crumb analysis for fermentation and structure, Proofing tracker with temperature-aware predictions, Starter coach with feeding logs and health checks, Baking journal to track bakes and progress, Mixing-water calculator, Recipe vault

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crumb Pro | $2.99 | per month |
| Crumb Pro (Annual) | $19.99 | per year |
| 3 Scans | $0.99 | one-time |
| 15 Scans | $3.99 | one-time |


## Frequently asked questions

### Is Sourflow free?

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

### Is Crumb free?

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

### Do Sourflow or Crumb have ads?

Neither Sourflow nor Crumb shows ads.

### Which is updated more often, Sourflow or Crumb?

Sourflow ships an update every 5 days, and Crumb every 5 days. Most recently, Sourflow was updated on October 25, 2026 and Crumb on November 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.*