# PETRA HR vs Shift Worker

The clearest difference is in-app purchases: PETRA HR at none against Shift Worker's 2. PETRA HR also leads on iOS requirement (13.0 vs 17.6). Shift Worker's advantage is device support. On price there is nothing between them.

Both are free to download. Shift Worker sells 2 in-app purchases, starting at $6.99 per month. PETRA HR asks for nothing beyond the download.

## The numbers

| Metric | PETRA HR | Shift Worker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Size | 30 MB | 8 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Firas Hamdan](https://appshunter.io/developer/1703934819) | [DLY](https://appshunter.io/developer/1627865311) |

## What reviewers say

### PETRA HR

[App page](https://appshunter.io/ios/app/petra-hr/id6467197824)

**In-app purchases:** none


### Shift Worker

[App page](https://appshunter.io/ios/app/shift-worker-work-calendar/id6754873492)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is PETRA HR free?

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

### Is Shift Worker free?

Shift Worker 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.*