# addy.io extension vs PostfixMe

The clearest difference is device support: addy.io extension at 4 against PostfixMe's 2. addy.io extension also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | addy.io extension | PostfixMe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [addy.io](https://appshunter.io/developer/1758544549) | [William Kimball](https://appshunter.io/developer/1889991576) |

## What reviewers say

### addy.io extension

[App page](https://appshunter.io/ios/app/addyio-extension/id6670220050)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### PostfixMe

[App page](https://appshunter.io/ios/app/postfixme/id6761500340)

**In-app purchases:** none


## Frequently asked questions

### Is addy.io extension free?

addy.io extension is free to download, with no in-app purchases.

### Is PostfixMe free?

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

### Do addy.io extension or PostfixMe have ads?

Neither addy.io extension nor PostfixMe 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.*