# RoastSignal vs Crumb

The clearest difference is in-app purchases: RoastSignal at none against Crumb's 2. RoastSignal also leads on update cadence (every 10 days vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Crumb sells 2 in-app purchases, starting at $4.99 per 7 days. RoastSignal asks for nothing beyond the download.

RoastSignal ships an update every 10 days, Crumb monthly. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RoastSignal | Crumb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 26 MB | 25 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ankur Agarwal](https://appshunter.io/developer/6772143776) | [Vadim Semenko](https://appshunter.io/developer/1539136864) |

## What reviewers say

### RoastSignal

[App page](https://appshunter.io/ios/app/roastsignal/id6772143774)

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

**In-app purchases:** none


### Crumb

[App page](https://appshunter.io/ios/app/crumb-sourdough-tracker/id6777510093)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sourdough Pro Weekly | $4.99 | per 7 days |
| Sourdough Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is RoastSignal free?

RoastSignal is free to download, with no in-app purchases.

### Is Crumb free?

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

### Do RoastSignal or Crumb have ads?

Neither RoastSignal nor Crumb shows ads.

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

RoastSignal ships an update every 10 days, and Crumb monthly. Most recently, RoastSignal was updated on September 15, 2026 and Crumb on September 20, 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.*