# Simple Cidr vs Skyhigh Client

The clearest difference is update cadence: Skyhigh Client at every 4 months against Simple Cidr's every 30 months. Skyhigh Client also leads on iOS requirement (15.0 vs 17.6). 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.

Simple Cidr ships an update every 30 months, Skyhigh Client every 4 months. The most recent releases landed on September 8, 2026 and August 10, 2026 respectively.

## The numbers

| Metric | Simple Cidr | Skyhigh Client |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 4 months** |
| Size | 0 MB | 29 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Luke Pilkington](https://appshunter.io/developer/1515186312) | [SKYHIGH SECURITY LLC](https://appshunter.io/developer/1636478684) |

## What reviewers say

### Simple Cidr

[App page](https://appshunter.io/ios/app/simple-cidr/id1515186313)

**Features:** macOS Compatibility

**In-app purchases:** none


### Skyhigh Client

[App page](https://appshunter.io/ios/app/skyhigh-client/id1583733236)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simple Cidr free?

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

### Is Skyhigh Client free?

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

### Do Simple Cidr or Skyhigh Client have ads?

Neither Simple Cidr nor Skyhigh Client shows ads.

### Which is updated more often, Simple Cidr or Skyhigh Client?

Simple Cidr ships an update every 30 months, and Skyhigh Client every 4 months. Most recently, Simple Cidr was updated on September 8, 2026 and Skyhigh Client on August 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.*