# Pinyin Helper vs 地球生命图鉴

The clearest difference is update cadence: 地球生命图鉴 at weekly against Pinyin Helper's every 3 months. Pinyin Helper's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Pinyin Helper sells 3 in-app purchases, starting at $1.99 per month and 地球生命图鉴 sells 2 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

Pinyin Helper ships an update every 3 months, 地球生命图鉴 weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Pinyin Helper | 地球生命图鉴 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 18 MB | 24 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [小玲 王](https://appshunter.io/developer/1573722736) | [进 徐](https://appshunter.io/developer/1837258596) |

## What reviewers say

### Pinyin Helper

[App page](https://appshunter.io/ios/app/pinyin-helper-chinese-study/id6781170911)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pinyin Month Pro | $1.99 | per month |
| Pinyin Yearly Pro | $3.99 | per year |
| Pinyin Lifetime Pro | $4.99 | one-time |


### 地球生命图鉴

[App page](https://appshunter.io/ios/app/ai/id6796702376)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 自然探索会员月卡 | $1.49 | per month |
| 自然探索会员年卡 | $12.99 | per year |


## Frequently asked questions

### Is Pinyin Helper free?

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

### Is 地球生命图鉴 free?

地球生命图鉴 is free to download, with in-app purchases available.

### Do Pinyin Helper or 地球生命图鉴 have ads?

Neither Pinyin Helper nor 地球生命图鉴 shows ads.

### Which is updated more often, Pinyin Helper or 地球生命图鉴?

Pinyin Helper ships an update every 3 months, and 地球生命图鉴 weekly. Most recently, Pinyin Helper was updated on October 31, 2026 and 地球生命图鉴 on October 31, 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.*