# 学霸拯救地球 vs WeeGrow

The clearest difference is iOS requirement: 学霸拯救地球 at 13.0 against WeeGrow's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 学霸拯救地球 sells 3 in-app purchases, starting at $0.99 per month and WeeGrow sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

学霸拯救地球 ships an update every 2 weeks, WeeGrow every 10 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 学霸拯救地球 | WeeGrow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (158 ratings)](https://appshunter.io/ios/app/id660145674/reviews)** | — |
| Number of ratings | **158** | — |
| Positive reviews | 95.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 148 MB | 10 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Zhongbao Zhang](https://appshunter.io/developer/890712456) | [阿卜杜瓦柯 阿卜杜力瓦哈普](https://appshunter.io/developer/1804003938) |

## What reviewers say

### 学霸拯救地球

[App page](https://appshunter.io/ios/app/id660145674)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $0.99 | per month |
| 按年订阅 | $2.99 | per year |
| 永久购买 | $3.99 | one-time |


### WeeGrow

[App page](https://appshunter.io/ios/app/weegrow/id6744554567)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Premium | $39.99 | one-time |
| Lifetime Premium | $99.99 | one-time |


## Frequently asked questions

### Is 学霸拯救地球 free?

学霸拯救地球 is free to download, with in-app purchases available.

### Is WeeGrow free?

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

### Do 学霸拯救地球 or WeeGrow have ads?

Neither 学霸拯救地球 nor WeeGrow shows ads.

### Which is updated more often, 学霸拯救地球 or WeeGrow?

学霸拯救地球 ships an update every 2 weeks, and WeeGrow every 10 days. Most recently, 学霸拯救地球 was updated on October 23, 2026 and WeeGrow on October 25, 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.*