# 童行PBL课堂 vs AstraX

The clearest difference is iOS requirement: 童行PBL课堂 at 9.0 against AstraX's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 童行PBL课堂 sells 2 one-off in-app purchases and AstraX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

童行PBL课堂 ships an update every 11 days, AstraX fortnightly. The most recent releases landed on September 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | 童行PBL课堂 | AstraX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Size | 60 MB | 569 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [北京童行星球教育科技有限公司](https://appshunter.io/developer/1442477139) | [Shenzhen Zhichuang Education Technology Co.,Ltd](https://appshunter.io/developer/1855433078) |

## What reviewers say

### 童行PBL课堂

[App page](https://appshunter.io/ios/app/pbl/id1567341975)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【自然起源】七天PBL项目制学习训练营 | $4.99 | one-time |
| 《时空之旅》PBL项目制学习通识课 | $499.99 | one-time |


### AstraX

[App page](https://appshunter.io/ios/app/astrax/id6755670893)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 会员年费 | $99.99 | one-time |


## Frequently asked questions

### Is 童行PBL课堂 free?

童行PBL课堂 is free to download, with in-app purchases available.

### Is AstraX free?

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

### Do 童行PBL课堂 or AstraX have ads?

Neither 童行PBL课堂 nor AstraX shows ads.

### Which is updated more often, 童行PBL课堂 or AstraX?

童行PBL课堂 ships an update every 11 days, and AstraX fortnightly. Most recently, 童行PBL课堂 was updated on September 8, 2026 and AstraX on September 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.*