# SShift vs Calendar Work Pro

The clearest difference is in-app purchases: SShift at none against Calendar Work Pro's 3. SShift also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Calendar Work Pro sells 3 in-app purchases, starting at $4.99 per month. SShift asks for nothing beyond the download.

SShift ships an update every 3 weeks, Calendar Work Pro every 5 weeks. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SShift | Calendar Work Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 8 MB | 8 MB |
| Requires iOS | 17.6 | **17** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Saud Abdulla](https://appshunter.io/developer/1834023424) | [Hugo Andrada](https://appshunter.io/developer/1872157882) |

## What reviewers say

### SShift

[App page](https://appshunter.io/ios/app/sshift-shift-calendar/id6751362215)

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

**In-app purchases:** none


### Calendar Work Pro

[App page](https://appshunter.io/ios/app/calendar-work-pro/id6793416925)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | per month |
| Premium Access | $29.99 | per year |
| Premium Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is SShift free?

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

### Is Calendar Work Pro free?

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

### Do SShift or Calendar Work Pro have ads?

Calendar Work Pro shows ads; SShift does not.

### Which is updated more often, SShift or Calendar Work Pro?

SShift ships an update every 3 weeks, and Calendar Work Pro every 5 weeks. Most recently, SShift was updated on October 17, 2026 and Calendar Work Pro on October 8, 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.*