# Work Hours Calc vs Shift Calendar

The clearest difference is update cadence: Work Hours Calc at every 3 days against Shift Calendar's every 3 weeks. Shift Calendar's advantage is iOS requirement (16.4 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Work Hours Calc sells 3 in-app purchases, starting at $3.99 per month and Shift Calendar sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Work Hours Calc ships an update every 3 days, Shift Calendar every 3 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Work Hours Calc | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 5 MB | 45 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Laurent ABITBOL](https://appshunter.io/developer/1844389313) | [anil sancar](https://appshunter.io/developer/1896591475) |

## What reviewers say

### Work Hours Calc

[App page](https://appshunter.io/ios/app/work-hours-calc/id6758898728)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Annual | $24.99 | per year |
| Pro Lifetime | $49.99 | one-time |


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shift-cycle/id6797974018)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Pro | $24.99 | one-time |


## Frequently asked questions

### Is Work Hours Calc free?

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

### Is Shift Calendar free?

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

### Do Work Hours Calc or Shift Calendar have ads?

Neither Work Hours Calc nor Shift Calendar shows ads.

### Which is updated more often, Work Hours Calc or Shift Calendar?

Work Hours Calc ships an update every 3 days, and Shift Calendar every 3 weeks. Most recently, Work Hours Calc was updated on October 10, 2026 and Shift Calendar on October 2, 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.*