# Onyx IX CSS vs Inventor Tech POS

The clearest difference is ads: Onyx IX CSS at none against Inventor Tech POS's shown. On price, update cadence, 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 IX CSS ships an update every 4 months, Inventor Tech POS every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Onyx IX CSS | Inventor Tech POS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/inventor-tech-pos/id1610888045/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Ad-supported |
| Size | 27 MB | 33 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ultimate Solutions](https://appshunter.io/developer/1190319655) | [AHMED ABDO MAHYOB AHMED](https://appshunter.io/developer/1610888167) |

## What reviewers say

### Onyx IX CSS

[App page](https://appshunter.io/ios/app/onyx-ix-css/id1584092874)

**Features:** macOS Compatibility

**In-app purchases:** none


### Inventor Tech POS

[App page](https://appshunter.io/ios/app/inventor-tech-pos/id1610888045)

This mobile point-of-sale system allows users to create sales invoices and returns, share them with customers, and manage inventory quantities. It also provides tools to track sales delegate performance with visual graphs.

**Highlights:** Create sales invoices and returns, Share invoices with customers, Inventory management, Track sales delegate performance, Sales data visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Onyx IX CSS free?

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

### Is Inventor Tech POS free?

Inventor Tech POS is free to download, with no in-app purchases.

### Do Onyx IX CSS or Inventor Tech POS have ads?

Inventor Tech POS shows ads; Onyx IX CSS does not.

### Which is updated more often, Onyx IX CSS or Inventor Tech POS?

Onyx IX CSS ships an update every 4 months, and Inventor Tech POS every 2 months. Most recently, Onyx IX CSS was updated on November 3, 2026 and Inventor Tech POS on November 3, 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.*