# RedSky Client vs CausewayOne Mobile

The clearest difference is update cadence: CausewayOne Mobile at every 2 weeks against RedSky Client's every 16 months. RedSky Client's advantage is iOS requirement (10.0 vs 14.0). On price, ads, 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.

RedSky Client ships an update every 16 months, CausewayOne Mobile every 2 weeks. The most recent releases landed on October 12, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | RedSky Client | CausewayOne Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Size | 19 MB | 24 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RedSky IT](https://appshunter.io/developer/337963092) | [Causeway Technologies](https://appshunter.io/developer/990510485) |

## What reviewers say

### RedSky Client

[App page](https://appshunter.io/ios/app/redsky-client/id1544242084)

**Features:** macOS Compatibility

**In-app purchases:** none


### CausewayOne Mobile

[App page](https://appshunter.io/ios/app/causewayone-mobile/id6754759910)

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

**In-app purchases:** none


## Frequently asked questions

### Is RedSky Client free?

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

### Is CausewayOne Mobile free?

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

### Do RedSky Client or CausewayOne Mobile have ads?

Neither RedSky Client nor CausewayOne Mobile shows ads.

### Which is updated more often, RedSky Client or CausewayOne Mobile?

RedSky Client ships an update every 16 months, and CausewayOne Mobile every 2 weeks. Most recently, RedSky Client was updated on October 12, 2026 and CausewayOne Mobile on September 19, 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.*