# Work Calendar vs HAI Schichtplan

The clearest difference is in-app purchases: HAI Schichtplan at none against Work Calendar's 6. HAI Schichtplan also leads on update cadence (every 4 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Work Calendar sells 6 in-app purchases, starting at $0.99 per 7 days. HAI Schichtplan asks for nothing beyond the download.

Work Calendar ships an update every 9 days, HAI Schichtplan every 4 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Work Calendar | HAI Schichtplan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 25 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Istvan Deak](https://appshunter.io/developer/1893145300) | [Phu Hai Nguyen](https://appshunter.io/developer/6818241739) |

## What reviewers say

### Work Calendar

[App page](https://appshunter.io/ios/app/work-calendar-shiftmax/id6762152435)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Weekly Access | $0.99 | per 7 days |
| Personal Monthly Access | $2.99 | per month |
| Weekly Access For Business | $4.99 | per 7 days |
| Monthly Access For Business | $14.99 | per month |
| Personal Yearly Access | $59.99 | per year |
| Yearly Access For Business | $199.99 | per year |


### HAI Schichtplan

[App page](https://appshunter.io/ios/app/hai-schichtplan/id6818241407)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Work Calendar free?

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

### Is HAI Schichtplan free?

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

### Do Work Calendar or HAI Schichtplan have ads?

Neither Work Calendar nor HAI Schichtplan shows ads.

### Which is updated more often, Work Calendar or HAI Schichtplan?

Work Calendar ships an update every 9 days, and HAI Schichtplan every 4 days. Most recently, Work Calendar was updated on November 5, 2026 and HAI Schichtplan on November 6, 2026.

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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.*