# Relay Check vs ArmorLink

The clearest difference is update cadence: ArmorLink at every 5 days against Relay Check's every 4 months. ArmorLink also leads on iOS requirement (15.0 vs 17.0). 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.

Relay Check ships an update every 4 months, ArmorLink every 5 days. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Relay Check | ArmorLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 8 MB | 31 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAMF Software](https://appshunter.io/developer/290965542) | [Pascal Muehlberger](https://appshunter.io/developer/1459302873) |

## What reviewers say

### Relay Check

[App page](https://appshunter.io/ios/app/relay-check/id6742145178)

**Features:** Vision Pro support

**In-app purchases:** none


### ArmorLink

[App page](https://appshunter.io/ios/app/armorlink/id6764358667)

**In-app purchases:** none


## Frequently asked questions

### Is Relay Check free?

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

### Is ArmorLink free?

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

### Do Relay Check or ArmorLink have ads?

Neither Relay Check nor ArmorLink shows ads.

### Which is updated more often, Relay Check or ArmorLink?

Relay Check ships an update every 4 months, and ArmorLink every 5 days. Most recently, Relay Check was updated on October 19, 2026 and ArmorLink on October 17, 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.*