# Onyx IX CSS vs Qasitha Merchant

The clearest difference is update cadence: Qasitha Merchant at every 2 months against Onyx IX CSS's every 4 months. Onyx IX CSS's advantage is iOS requirement (13.0 vs 16.6). 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 IX CSS ships an update every 4 months, Qasitha Merchant every 2 months. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Onyx IX CSS | Qasitha Merchant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qasitha-merchant/id6758023701/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 27 MB | 65 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ultimate Solutions](https://appshunter.io/developer/1190319655) | [Giganet Telecom Ltd.](https://appshunter.io/developer/1114383309) |

## What reviewers say

### Onyx IX CSS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Qasitha Merchant

[App page](https://appshunter.io/ios/app/qasitha-merchant/id6758023701)

Boost store sales by offering customers installment payment options. Track invoices from creation to settlement, manage approvals, and receive payouts with clear records. Designed for retail shops to simplify installment purchases and transaction follow-ups.

**Highlights:** Offer customer installment payments, End-to-end invoice tracking, Manage approvals and payouts, Merchant dashboard, Real-time status updates, Structured invoice data

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

**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 Qasitha Merchant free?

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

### Do Onyx IX CSS or Qasitha Merchant have ads?

Neither Onyx IX CSS nor Qasitha Merchant shows ads.

### Which is updated more often, Onyx IX CSS or Qasitha Merchant?

Onyx IX CSS ships an update every 4 months, and Qasitha Merchant every 2 months. Most recently, Onyx IX CSS was updated on September 18, 2026 and Qasitha Merchant on September 14, 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.*