# PDF转换器 vs 追爱键盘

The clearest difference is update cadence: PDF转换器 at every 3 days against 追爱键盘's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF转换器 sells 2 in-app purchases, starting at $2.99 per 7 days and 追爱键盘 sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF转换器 ships an update every 3 days, 追爱键盘 weekly. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | PDF转换器 | 追爱键盘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 8 MB | 10 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ming Fai Lee](https://appshunter.io/developer/1691484255) | [雪莹 姜](https://appshunter.io/developer/1857713034) |

## What reviewers say

### PDF转换器

[App page](https://appshunter.io/ios/app/pdf-pdf/id6755513544)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF转换器周会员 | $2.99 | per 7 days |
| PDF转换器年会员 | $24.99 | per year |


### 追爱键盘

[App page](https://appshunter.io/ios/app/and/id6756643987)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 恋爱键盘特惠会员 | $6.99 | per 7 days |
| 恋爱键盘永久vip | $29.99 | one-time |


## Frequently asked questions

### Is PDF转换器 free?

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

### Is 追爱键盘 free?

追爱键盘 is free to download, with in-app purchases available.

### Do PDF转换器 or 追爱键盘 have ads?

Neither PDF转换器 nor 追爱键盘 shows ads.

### Which is updated more often, PDF转换器 or 追爱键盘?

PDF转换器 ships an update every 3 days, and 追爱键盘 weekly. Most recently, PDF转换器 was updated on September 16, 2026 and 追爱键盘 on September 18, 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.*