# Prime CSS vs ABa Audits

The clearest difference is in-app purchases: ABa Audits at none against Prime CSS's 2. Prime CSS's advantage is update cadence (every 4 days vs every 17 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Prime CSS sells 2 one-off in-app purchases. ABa Audits asks for nothing beyond the download.

Prime CSS ships an update every 4 days, ABa Audits every 17 months. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Prime CSS | ABa Audits |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 17 months |
| Size | 21 MB | 43 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maged Saleh](https://appshunter.io/developer/1534681815) | [ABA QUALITY MONITORING LTD](https://appshunter.io/developer/1123981941) |

## What reviewers say

### Prime CSS

[App page](https://appshunter.io/ios/app/prime-css/id1536809411)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Reports | $5.99 | one-time |
| Digital Reports. | $5.99 | one-time |


### ABa Audits

[App page](https://appshunter.io/ios/app/aba-audits/id6737128957)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Prime CSS free?

Prime CSS is free to download, with in-app purchases available.

### Is ABa Audits free?

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

### Do Prime CSS or ABa Audits have ads?

Neither Prime CSS nor ABa Audits shows ads.

### Which is updated more often, Prime CSS or ABa Audits?

Prime CSS ships an update every 4 days, and ABa Audits every 17 months. Most recently, Prime CSS was updated on September 18, 2026 and ABa Audits on September 13, 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.*