# React Native Ninja vs Ace A

The clearest difference is in-app purchases: React Native Ninja at none against Ace A's 8. React Native Ninja also leads on iOS requirement (15.1 vs 17.0). Ace A's advantage is ads (none vs shown) and update cadence (every 2 months vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Ace A sells 8 in-app purchases, starting at $4.99 per month. React Native Ninja asks for nothing beyond the download.

React Native Ninja ships an update every 5 months, Ace A every 2 months. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | React Native Ninja | Ace A |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 40 MB | 125 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [FineTune (FZE)](https://appshunter.io/developer/6795082640) | [Aerion Design Labs Ltd.](https://appshunter.io/developer/1029206329) |

## What reviewers say

### React Native Ninja

[App page](https://appshunter.io/ios/app/react-native-ninja/id6754823698)

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

**In-app purchases:** none


### Ace A

[App page](https://appshunter.io/ios/app/ace-a-level-maths-biology/id6776245264)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A-Level Maths Monthly | $4.99 | per month |
| A-Level Biology Monthly | $4.99 | per month |
| A-Level Maths 6-Month | $19.99 | per 6 months |
| A-Level Biology 6-Month | $19.99 | per 6 months |
| A-Level Maths Annual | $29.99 | per year |
| A-Level Biology Annual | $29.99 | per year |
| A-Level Maths Lifetime | $39.99 | one-time |
| A-Level Biology Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is React Native Ninja free?

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

### Is Ace A free?

Ace A is free to download, with in-app purchases available.

### Do React Native Ninja or Ace A have ads?

React Native Ninja shows ads; Ace A does not.

### Which is updated more often, React Native Ninja or Ace A?

React Native Ninja ships an update every 5 months, and Ace A every 2 months. Most recently, React Native Ninja was updated on October 7, 2026 and Ace A on October 5, 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.*