# React Native Paper vs SAP Build Apps Preview

The clearest difference is rating: React Native Paper at 4.8 against SAP Build Apps Preview's 3.0. React Native Paper also leads on review sentiment (95% vs 53%) and iOS requirement (15.1 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

React Native Paper holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 6 and 14 respectively. Written reviews point the same way: 95% of React Native Paper's written reviews are positive against 53% of SAP Build Apps Preview's.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | React Native Paper | SAP Build Apps Preview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/react-native-paper/id1548934513/reviews)** | [3.0 (14 ratings)](https://appshunter.io/ios/app/sap-build-apps-preview/id1585856868/reviews) |
| Number of ratings | 6 | **14** |
| Positive reviews | **95.5% of reviews** | 53.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 24 MB | 182 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Callstack.io](https://appshunter.io/developer/1278761390) | [SAP SE](https://appshunter.io/developer/391959547) |

## What reviewers say

### React Native Paper

[App page](https://appshunter.io/ios/app/react-native-paper/id1548934513)

Explore and test various UI components from a popular React Native library. This application showcases the functionality of different elements, allowing developers to see them in action.

**Highlights:** Explore UI components, Test component functionality, Example application, React Native library showcase

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

**In-app purchases:** none


### SAP Build Apps Preview

[App page](https://appshunter.io/ios/app/sap-build-apps-preview/id1585856868)

View and interact with your mobile app projects on an iOS device. See real-time updates as you make changes in the web tool, perfect for rapid prototyping and testing.

**Highlights:** View mobile projects on iOS, Real-time updates from web tool, Quick prototyping, Interactive testing, Login to access projects

**In-app purchases:** none


## Frequently asked questions

### Is React Native Paper free?

React Native Paper is free to download, with no in-app purchases.

### Is SAP Build Apps Preview free?

SAP Build Apps Preview is free to download, with no in-app purchases.

### Which has better reviews, React Native Paper or SAP Build Apps Preview?

React Native Paper is rated higher. React Native Paper averages 4.8 out of 5 from 6 ratings, while SAP Build Apps Preview averages 3.0 from 14 ratings.

### Do React Native Paper or SAP Build Apps Preview have ads?

Neither React Native Paper nor SAP Build Apps Preview shows ads.

### Which is updated more often, React Native Paper or SAP Build Apps Preview?

React Native Paper ships an update every 3 weeks, and SAP Build Apps Preview every 3 weeks. Most recently, React Native Paper was updated on October 13, 2026 and SAP Build Apps Preview on October 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.*