# CHMOD Lab vs Authenticator Pro

The clearest difference is in-app purchases: CHMOD Lab at none against Authenticator Pro's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Authenticator Pro sells 4 in-app purchases, starting at $4.99 per 7 days. CHMOD Lab asks for nothing beyond the download.

## The numbers

| Metric | CHMOD Lab | Authenticator Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 2 MB | 45 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Guy Miller](https://appshunter.io/developer/1865478036) | [ATHENE GROUP LTD](https://appshunter.io/developer/1706489025) |

## What reviewers say

### CHMOD Lab

[App page](https://appshunter.io/ios/app/chmod-lab-linux-permissions/id6757230787)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator Pro

[App page](https://appshunter.io/ios/app/authenticator-pro-2fa-and-otp/id6781132165)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Weekly | $4.99 | per 7 days |
| VIP Monthly | $8.99 | per month |
| VIP Yearly | $59.99 | per year |
| VIP Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is CHMOD Lab free?

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

### Is Authenticator Pro free?

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

### Do CHMOD Lab or Authenticator Pro have ads?

Neither CHMOD Lab nor Authenticator Pro 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.*