# pdf转换器 vs zip解压

The clearest difference is in-app purchases: zip解压 at none against pdf转换器's 2. On price, update cadence, ads 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 3 months. zip解压 asks for nothing beyond the download.

pdf转换器 ships an update every 2 weeks, zip解压 fortnightly. The most recent releases landed on September 18, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | pdf转换器 | zip解压 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 46 MB | 42 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Yuanlai Infomation Technology Co., Ltd.](https://appshunter.io/developer/958193889) | [振宇 龚](https://appshunter.io/developer/1326072138) |

## What reviewers say

### pdf转换器

[App page](https://appshunter.io/ios/app/pdf/id1626680966)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 升级为会员 | $2.99 | per 3 months |
| 升级为超级会员 | $3.99 | per 3 months |


### zip解压

[App page](https://appshunter.io/ios/app/zip-ziprar/id1631264179)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is pdf转换器 free?

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

### Is zip解压 free?

zip解压 is free to download, with no in-app purchases.

### Do pdf转换器 or zip解压 have ads?

Neither pdf转换器 nor zip解压 shows ads.

### Which is updated more often, pdf转换器 or zip解压?

pdf转换器 ships an update every 2 weeks, and zip解压 fortnightly. Most recently, pdf转换器 was updated on September 18, 2026 and zip解压 on May 16, 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.*