# RackLink Discovery vs Skyhigh Client

The clearest difference is update cadence: Skyhigh Client at every 4 months against RackLink Discovery's every 36 months. RackLink Discovery's advantage is iOS requirement (12.0 vs 15.0). 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.

RackLink Discovery ships an update every 36 months, Skyhigh Client every 4 months. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | RackLink Discovery | Skyhigh Client |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/racklink-discovery/id1574990700/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 25 MB | 29 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Legrand AV Inc](https://appshunter.io/developer/1574990702) | [SKYHIGH SECURITY LLC](https://appshunter.io/developer/1636478684) |

## What reviewers say

### RackLink Discovery

[App page](https://appshunter.io/ios/app/racklink-discovery/id1574990700)

Easily discover and connect to RackLink™ enabled products on your network. This app provides access to the web browser interface for full control and management of AV industry remote power management systems.

**Highlights:** Discover RackLink enabled products, Connect to PDUs on the same network, Access web browser interface, Full device control and management, Supports Select and Premium+ PDUs

**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 RackLink Discovery free?

RackLink Discovery 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 RackLink Discovery or Skyhigh Client have ads?

Neither RackLink Discovery nor Skyhigh Client shows ads.

### Which is updated more often, RackLink Discovery or Skyhigh Client?

RackLink Discovery ships an update every 36 months, and Skyhigh Client every 4 months. Most recently, RackLink Discovery was updated on October 3, 2026 and Skyhigh Client on October 14, 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.*