# Prime CSS vs PayUp Payments

The clearest difference is in-app purchases: PayUp Payments at none against Prime CSS's 2. Prime CSS's advantage is update cadence (every 4 days vs every 3 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. PayUp Payments asks for nothing beyond the download.

Prime CSS ships an update every 4 days, PayUp Payments every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Prime CSS | PayUp Payments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (15 ratings)](https://appshunter.io/ios/app/payup-payments/id1581951353/reviews)** |
| Number of ratings | — | **15** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | — | Free |
| Size | 21 MB | 46 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maged Saleh](https://appshunter.io/developer/1534681815) | [PayJustNow](https://appshunter.io/developer/1540578806) |

## 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 |


### PayUp Payments

[App page](https://appshunter.io/ios/app/payup-payments/id1581951353)

This app enables merchants to offer a buy now, pay later option at checkout without needing POS integration. Shoppers can split purchases into three interest-free installments and receive their goods immediately.

**Highlights:** Offer Buy Now Pay Later at checkout, No POS integration required, Split payments into 3 interest-free installments, Initiate transactions via QR code, email, or SMS, Process refunds, Extract daily cash ups, Direct chat support

**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 PayUp Payments free?

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

### Do Prime CSS or PayUp Payments have ads?

Neither Prime CSS nor PayUp Payments shows ads.

### Which is updated more often, Prime CSS or PayUp Payments?

Prime CSS ships an update every 4 days, and PayUp Payments every 3 months. Most recently, Prime CSS was updated on October 27, 2026 and PayUp Payments on October 24, 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.*