# Coren RS vs Calendar for Work Shift

The clearest difference is in-app purchases: Coren RS at none against Calendar for Work Shift's 2. Coren RS also leads on device support (3 vs 1) and iOS requirement (14.0.0 vs 16.4). Calendar for Work Shift's advantage is ads (none vs shown) and update cadence (every 2 months vs every 26 months). On price there is nothing between them.

Both are free to download. Calendar for Work Shift sells 2 in-app purchases, starting at $0.99 per month. Coren RS asks for nothing beyond the download.

Coren RS ships an update every 26 months, Calendar for Work Shift every 2 months. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Coren RS | Calendar for Work Shift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 26 months | **Every 2 months** |
| Size | 19 MB | 25 MB |
| Requires iOS | **14.0.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Conselho Regional de Enfermagem do Rio Grande do Sul](https://appshunter.io/developer/1532435874) | [Biographics Consultoria e Design LTDA](https://appshunter.io/developer/1264090171) |

## What reviewers say

### Coren RS

[App page](https://appshunter.io/ios/app/coren-rs/id1611761958)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendar for Work Shift

[App page](https://appshunter.io/ios/app/calendar-for-work-shift/id6501973217)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to Pro Features Monthly | $0.99 | per month |
| Access to Pro Features Yearly | $9.99 | per year |


## Frequently asked questions

### Is Coren RS free?

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

### Is Calendar for Work Shift free?

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

### Do Coren RS or Calendar for Work Shift have ads?

Coren RS shows ads; Calendar for Work Shift does not.

### Which is updated more often, Coren RS or Calendar for Work Shift?

Coren RS ships an update every 26 months, and Calendar for Work Shift every 2 months. Most recently, Coren RS was updated on October 5, 2026 and Calendar for Work Shift 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.*