# CheckPlate vs Onyyx

The clearest difference is update cadence: CheckPlate at every 5 weeks against Onyyx's every 3 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.

CheckPlate ships an update every 5 weeks, Onyyx every 3 months. The most recent releases landed on September 15, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | CheckPlate | Onyyx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/onyyx/id1664540121/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 153 MB | 48 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Coeus Software Ltd](https://appshunter.io/developer/1644861668) | [Inhep Electronics Holdings (Pty) Ltd.](https://appshunter.io/developer/1228149661) |

## What reviewers say

### CheckPlate

[App page](https://appshunter.io/ios/app/checkplate/id1664069448)

**Features:** macOS Compatibility

**In-app purchases:** none


### Onyyx

[App page](https://appshunter.io/ios/app/onyyx/id1664540121)

Control a wireless smart security system remotely via a mobile app or keyring transmitter. Compatible with various indoor and outdoor detectors, it offers easy installation and configuration for diverse security needs.

**Highlights:** Remote system control, Keyring transmitter compatibility, Indoor and outdoor detector support, Easy installation and configuration, Control room monitoring integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CheckPlate free?

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

### Is Onyyx free?

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

### Do CheckPlate or Onyyx have ads?

Neither CheckPlate nor Onyyx shows ads.

### Which is updated more often, CheckPlate or Onyyx?

CheckPlate ships an update every 5 weeks, and Onyyx every 3 months. Most recently, CheckPlate was updated on September 15, 2026 and Onyyx on September 2, 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.*