# protostar vs Twinkle App

The clearest difference is in-app purchases: Twinkle App at none against protostar's 1. protostar's advantage is iOS requirement (10 vs 12.0). On price there is nothing between them.

Both are free to download. protostar sells 1 one-off in-app purchase. Twinkle App asks for nothing beyond the download.

## The numbers

| Metric | protostar | Twinkle App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protostar/id1504821938/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 75 MB |
| Requires iOS | **10** | 12.0 |
| Devices | **iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Longzhe Education Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1504821937) | [Khuong Tuan Tran](https://appshunter.io/developer/1655851413) |

## What reviewers say

### protostar

[App page](https://appshunter.io/ios/app/protostar/id1504821938)

This educational app is designed for students aged 7-12, offering a platform for watching learning videos and playing interactive games. It is exclusively for users of the protostar education company and is available on iPad.

**Highlights:** Learning videos, Educational games, Preview content, Review content, Designed for ages 7-12

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protostar English Course | $299.99 | one-time |


### Twinkle App

[App page](https://appshunter.io/ios/app/twinkle-app/id6444903137)

**In-app purchases:** none


## Frequently asked questions

### Is protostar free?

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

### Is Twinkle App free?

Twinkle App is free to download, with no in-app purchases.

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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.*