# CAS Vikar Booking vs CoolRunner

The clearest difference is ads: CAS Vikar Booking at none against CoolRunner's shown. CAS Vikar Booking also leads on iOS requirement (11.0 vs 15.1). CoolRunner's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CAS Vikar Booking ships an update every 2 months, CoolRunner fortnightly. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | CAS Vikar Booking | CoolRunner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 16 MB | 53 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAS A/S](https://appshunter.io/developer/1116041140) | [Homerunner Aps](https://appshunter.io/developer/1476816851) |

## What reviewers say

### CAS Vikar Booking

[App page](https://appshunter.io/ios/app/cas-vikar-booking/id1116042011)

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

**In-app purchases:** none


### CoolRunner

[App page](https://appshunter.io/ios/app/coolrunner/id1476816852)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CAS Vikar Booking free?

CAS Vikar Booking is free to download, with no in-app purchases.

### Is CoolRunner free?

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

### Do CAS Vikar Booking or CoolRunner have ads?

CoolRunner shows ads; CAS Vikar Booking does not.

### Which is updated more often, CAS Vikar Booking or CoolRunner?

CAS Vikar Booking ships an update every 2 months, and CoolRunner fortnightly. Most recently, CAS Vikar Booking was updated on September 20, 2026 and CoolRunner on September 10, 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.*