# Relay Check vs Nexus Telemetry

The clearest difference is update cadence: Nexus Telemetry at every 2 days against Relay Check's every 4 months. 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, Nexus Telemetry every 2 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Relay Check | Nexus Telemetry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Size | 8 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JAMF Software](https://appshunter.io/developer/290965542) | [CakeAI](https://appshunter.io/developer/1590970399) |

## What reviewers say

### Relay Check

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

**Features:** Vision Pro support

**In-app purchases:** none


### Nexus Telemetry

[App page](https://appshunter.io/ios/app/nexus-telemetry/id6776516016)

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

**In-app purchases:** none


## Frequently asked questions

### Is Relay Check free?

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

### Is Nexus Telemetry free?

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

### Do Relay Check or Nexus Telemetry have ads?

Neither Relay Check nor Nexus Telemetry shows ads.

### Which is updated more often, Relay Check or Nexus Telemetry?

Relay Check ships an update every 4 months, and Nexus Telemetry every 2 days. Most recently, Relay Check was updated on October 19, 2026 and Nexus Telemetry on October 16, 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.*