# protostar vs ChineseRd Kid

The clearest difference is ads: ChineseRd Kid at none against protostar's shown. ChineseRd Kid also leads on device support (3 vs 1). protostar's advantage is iOS requirement (10 vs 12.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. protostar sells 1 one-off in-app purchase and ChineseRd Kid sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

protostar ships an update every 3 weeks, ChineseRd Kid every 6 weeks. Both last shipped on October 4, 2026.

## The numbers

| Metric | protostar | ChineseRd Kid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protostar/id1504821938/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 155 MB | 243 MB |
| Requires iOS | **10** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Longzhe Education Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1504821937) | [Shenzhen Chinese Road Education & Technology Co.,Ltd](https://appshunter.io/developer/1412473359) |

## 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 |


### ChineseRd Kid

[App page](https://appshunter.io/ios/app/chineserd-kid/id6449327646)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60课点 | $8.99 | one-time |


## Frequently asked questions

### Is protostar free?

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

### Is ChineseRd Kid free?

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

### Do protostar or ChineseRd Kid have ads?

protostar shows ads; ChineseRd Kid does not.

### Which is updated more often, protostar or ChineseRd Kid?

protostar ships an update every 3 weeks, and ChineseRd Kid every 6 weeks. Most recently, protostar was updated on October 4, 2026 and ChineseRd Kid on October 4, 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.*