Simple Cidr vs Skyhigh Client
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Cidr
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I often found that I didn't want a complicated calculator to translate Cidr notation into subnet mask and so fourth. So I made a simple one...
Skyhigh Client
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Skyhigh Client is the mobile client app designed for Skyhigh Security Internet and Private Access traffic. This app is licensed software, which should be installed on your mobile devices. Contact Skyhigh Support before installing the software. The Skyhigh Client App allows you to establish a cloud-native connection to your public and private applications located in private and public cloud based on the policy enforcements defined, secured and granted on a least privileged basis. With Skyhigh Client App, the mobile and remote users can connect to these applications through the Skyhigh Security SSE Fabric. Disclaimer: VPNService is used for the Private Apps. It intercepts and resolves private domains and adds additional authentication information.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Simple Cidr | Skyhigh Client |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 30 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | Luke Pilkington | SKYHIGH SECURITY LLC |
In-app purchases
Simple Cidr
No in-app purchases
Skyhigh Client
No in-app purchases
Questions
Is Simple Cidr free?
Is Skyhigh Client free?
Do Simple Cidr or Skyhigh Client have ads?
Which is updated more often, Simple Cidr or Skyhigh Client?
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