# PDF Conversion vs WTII飞控助手

The clearest difference is in-app purchases: WTII飞控助手 at none against PDF Conversion's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Conversion sells 4 in-app purchases, starting at $2.99 per 7 days. WTII飞控助手 asks for nothing beyond the download.

## The numbers

| Metric | PDF Conversion | WTII飞控助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 5 MB | 155 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Beijing Litchi Fun Technology Co., Ltd.](https://appshunter.io/developer/1684888838) | [昊昕 杨](https://appshunter.io/developer/6787809083) |

## What reviewers say

### PDF Conversion

[App page](https://appshunter.io/ios/app/pdf-conversion-convert-to-word/id6605929812)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $14.99 | per year |
| Lifetime Member | $24.99 | one-time |


### WTII飞控助手

[App page](https://appshunter.io/ios/app/wtii/id6788606123)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Conversion free?

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

### Is WTII飞控助手 free?

WTII飞控助手 is free to download, with no in-app purchases.

### Do PDF Conversion or WTII飞控助手 have ads?

Neither PDF Conversion nor WTII飞控助手 shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*