# Onyx CSS vs Accflex Smart Sales

The clearest difference is update cadence: Onyx CSS at every 6 months against Accflex Smart Sales's every 16 months. Onyx CSS also leads on iOS requirement (13.0 vs 15.5). 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, Accflex Smart Sales every 16 months. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Onyx CSS | Accflex Smart Sales |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 16 months |
| Size | 24 MB | 101 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ultimate Solutions](https://appshunter.io/developer/1190319655) | [Hadaf Solutions](https://appshunter.io/developer/1263923912) |

## What reviewers say

### Onyx CSS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Accflex Smart Sales

[App page](https://appshunter.io/ios/app/accflex-smart-sales/id1673705425)

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

**In-app purchases:** none


## Frequently asked questions

### Is Onyx CSS free?

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

### Is Accflex Smart Sales free?

Accflex Smart Sales is free to download, with no in-app purchases.

### Do Onyx CSS or Accflex Smart Sales have ads?

Neither Onyx CSS nor Accflex Smart Sales shows ads.

### Which is updated more often, Onyx CSS or Accflex Smart Sales?

Onyx CSS ships an update every 6 months, and Accflex Smart Sales every 16 months. Most recently, Onyx CSS was updated on September 23, 2026 and Accflex Smart Sales on September 20, 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.*