# 闪电PDF转换 vs 掌中地球

The clearest difference is iOS requirement: 闪电PDF转换 at 11.0 against 掌中地球's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 闪电PDF转换 sells 4 in-app purchases, starting at $3.99 per month and 掌中地球 sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 闪电PDF转换 | 掌中地球 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 94 MB | 132 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [丽琼 邓](https://appshunter.io/developer/1702793856) | [益鹏 苏](https://appshunter.io/developer/1814853302) |

## What reviewers say

### 闪电PDF转换

[App page](https://appshunter.io/ios/app/pdf-pdfpdf/id1618181802)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员套餐 | $3.99 | per month |
| 六个月会员 | $8.99 | per 6 months |
| 一年会员 | $10.99 | per year |
| 永久会员 | $27.99 | one-time |


### 掌中地球

[App page](https://appshunter.io/ios/app/vr/id6747460603)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月卡会员 | $6.99 | per month |
| 年卡会员 | $12.99 | per year |
| 永久会员 | $24.99 | one-time |


## Frequently asked questions

### Is 闪电PDF转换 free?

闪电PDF转换 is free to download, with in-app purchases available.

### Is 掌中地球 free?

掌中地球 is free to download, with in-app purchases available.

### Do 闪电PDF转换 or 掌中地球 have ads?

Neither 闪电PDF转换 nor 掌中地球 shows ads.

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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.*