# SJ Chmod Calculator vs CHMOD Lab

The clearest difference is in-app purchases: CHMOD Lab at none against SJ Chmod Calculator's 5. CHMOD Lab also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SJ Chmod Calculator sells 5 one-off in-app purchases. CHMOD Lab asks for nothing beyond the download.

## The numbers

| Metric | SJ Chmod Calculator | CHMOD Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stephane JAILLIARD](https://appshunter.io/developer/1749751077) | [Guy Miller](https://appshunter.io/developer/1865478036) |

## What reviewers say

### SJ Chmod Calculator

[App page](https://appshunter.io/ios/app/sj-chmod-calculator/id6504128434)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A coffee | $0.99 | one-time |
| A cookie | $2.99 | one-time |
| A lemon tart | $4.99 | one-time |
| No ads | $4.99 | one-time |
| A pizza | $9.99 | one-time |


### CHMOD Lab

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SJ Chmod Calculator free?

SJ Chmod Calculator is free to download, with in-app purchases available.

### Is CHMOD Lab free?

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

### Do SJ Chmod Calculator or CHMOD Lab have ads?

SJ Chmod Calculator shows ads; CHMOD Lab does not.

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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.*