# Muffin vs SignAuthAI

The clearest difference is in-app purchases: Muffin at none against SignAuthAI's 3. Muffin also leads on iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. SignAuthAI sells 3 in-app purchases, starting at $4.99 per month. Muffin asks for nothing beyond the download.

## The numbers

| Metric | Muffin | SignAuthAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 54 MB | 44 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Softnames](https://appshunter.io/developer/1220046274) | [Eric Jaffe](https://appshunter.io/developer/1863292590) |

## What reviewers say

### Muffin

[App page](https://appshunter.io/ios/app/muffin/id1658172035)

**Features:** macOS Compatibility

**In-app purchases:** none


### SignAuthAI

[App page](https://appshunter.io/ios/app/signauthai/id6765545569)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Expert | $14.99 | per month |
| Elite | $29.99 | per month |


## Frequently asked questions

### Is Muffin free?

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

### Is SignAuthAI free?

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

### Do Muffin or SignAuthAI have ads?

Neither Muffin nor SignAuthAI shows ads.

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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.*