# React Native Paper vs PreGrade Ultra

The clearest difference is in-app purchases: React Native Paper at none against PreGrade Ultra's 1. React Native Paper also leads on ratings volume (6 vs 2) and iOS requirement (15.1 vs 26.4). PreGrade Ultra's advantage is update cadence (daily vs every 3 weeks) and rating (5.0 vs 4.8). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. PreGrade Ultra sells 1 one-off in-app purchase. React Native Paper asks for nothing beyond the download.

PreGrade Ultra holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 95% of React Native Paper's written reviews are positive against 100% of PreGrade Ultra's.

React Native Paper ships an update every 3 weeks, PreGrade Ultra daily. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | React Native Paper | PreGrade Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/react-native-paper/id1548934513/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pregrade-ultra/id6761741791/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 95.5% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 6 MB |
| Requires iOS | **15.1** | 26.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Callstack.io](https://appshunter.io/developer/1278761390) | [Michael Sorg](https://appshunter.io/developer/1891223608) |

## 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


### PreGrade Ultra

[App page](https://appshunter.io/ios/app/pregrade-ultra/id6761741791)

This app uses advanced computer vision to accurately measure card centering from photos, accounting for camera angle. It provides grading estimates for major companies and market pricing for Pokémon cards.

**Highlights:** Perspective correction for accurate measurements, Centering analysis for multiple grading companies, Cross-grade opportunity identification, Market pricing for Pokémon cards, Visual edge detection, Print tilt detection

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PreGrade Ultra Pro | $4.99 | one-time |


## Frequently asked questions

### Is React Native Paper free?

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

### Is PreGrade Ultra free?

PreGrade Ultra is free to download, with in-app purchases available.

### Which has better reviews, React Native Paper or PreGrade Ultra?

PreGrade Ultra is rated higher. React Native Paper averages 4.8 out of 5 from 6 ratings, while PreGrade Ultra averages 5.0 from 2 ratings.

### Do React Native Paper or PreGrade Ultra have ads?

Neither React Native Paper nor PreGrade Ultra shows ads.

### Which is updated more often, React Native Paper or PreGrade Ultra?

React Native Paper ships an update every 3 weeks, and PreGrade Ultra daily. Most recently, React Native Paper was updated on October 13, 2026 and PreGrade Ultra on October 11, 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.*