# c0x0.com extension vs Fastmask

The clearest difference is in-app purchases: c0x0.com extension at none against Fastmask's 3. c0x0.com extension also leads on iOS requirement (15.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Fastmask sells 3 one-off in-app purchases. c0x0.com extension asks for nothing beyond the download.

## The numbers

| Metric | c0x0.com extension | Fastmask |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 6 days |
| Size | 1 MB | 7 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zbigniew Zolkiewski](https://appshunter.io/developer/1626864022) | [Vitali Quiering](https://appshunter.io/developer/1857447419) |

## What reviewers say

### c0x0.com extension

[App page](https://appshunter.io/ios/app/c0x0com-extension/id1626864020)

**In-app purchases:** none


### Fastmask

[App page](https://appshunter.io/ios/app/fastmask/id6755937522)

**Features:** Safari Extension, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multi Account | $2.99 | one-time |
| Unlimited Aliases | $3.99 | one-time |
| Pro Bundle | $6.99 | one-time |


## Frequently asked questions

### Is c0x0.com extension free?

c0x0.com extension is free to download, with no in-app purchases.

### Is Fastmask free?

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

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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.*