# Onyx CSS vs Hik

The clearest difference is update cadence: Hik at every 2 weeks against Onyx CSS's every 6 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.

Onyx CSS ships an update every 6 months, Hik every 2 weeks. The most recent releases landed on September 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Onyx CSS | Hik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hik-protect/id6745159419/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 24 MB | 133 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ultimate Solutions](https://appshunter.io/developer/1190319655) | [Hikvision Digital Technology Co.,Ltd](https://appshunter.io/developer/358934279) |

## What reviewers say

### Onyx CSS

[App page](https://appshunter.io/ios/app/onyx-css/id1561190933)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hik

[App page](https://appshunter.io/ios/app/hik-protect/id6745159419)

This app offers intelligent fire safety management for homes and businesses. It provides real-time remote monitoring, instant alerts for fire risks, and seamless integration with security devices for enhanced protection.

**Highlights:** Intelligent fire safety management, Real-time remote monitoring, Instant fire risk alerts, Seamless device management, Integration with security devices, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is Onyx CSS free?

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

### Is Hik free?

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

### Do Onyx CSS or Hik have ads?

Neither Onyx CSS nor Hik shows ads.

### Which is updated more often, Onyx CSS or Hik?

Onyx CSS ships an update every 6 months, and Hik every 2 weeks. Most recently, Onyx CSS was updated on September 23, 2026 and Hik on October 10, 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.*