# Work Calendar vs ShiftAlarm

The clearest difference is in-app purchases: ShiftAlarm at none against Work Calendar's 6. Work Calendar's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Work Calendar sells 6 in-app purchases, starting at $1.99 per 7 days. ShiftAlarm asks for nothing beyond the download.

Work Calendar ships an update every 9 days, ShiftAlarm weekly. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Work Calendar | ShiftAlarm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 25 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Istvan Deak](https://appshunter.io/developer/1893145300) | [明 刘](https://appshunter.io/developer/6790996791) |

## 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 | $1.99 | per 7 days |
| Weekly Access For Business | $5.99 | per 7 days |
| Personal Monthly Access | $5.99 | per month |
| Monthly Access For Business | $19.99 | per month |
| Personal Yearly Access | $59.99 | per year |
| Yearly Access For Business | $199.99 | per year |


### ShiftAlarm

[App page](https://appshunter.io/ios/app/shiftalarm-work-schedule/id6791030721)

**Features:** macOS Compatibility, 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 ShiftAlarm free?

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

### Do Work Calendar or ShiftAlarm have ads?

Neither Work Calendar nor ShiftAlarm shows ads.

### Which is updated more often, Work Calendar or ShiftAlarm?

Work Calendar ships an update every 9 days, and ShiftAlarm weekly. Most recently, Work Calendar was updated on October 1, 2026 and ShiftAlarm on September 29, 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.*