# PDF转换器 vs 备孕加速器

The clearest difference is in-app purchases: 备孕加速器 at none against PDF转换器's 3. PDF转换器's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF转换器 sells 3 in-app purchases, starting at $3.99 per 7 days. 备孕加速器 asks for nothing beyond the download.

PDF转换器 ships an update every 2 weeks, 备孕加速器 fortnightly. The most recent releases landed on September 10, 2026 and February 26, 2026 respectively.

## The numbers

| Metric | PDF转换器 | 备孕加速器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 34 MB | 32 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [鑫鑫 陈](https://appshunter.io/developer/1647351343) | [Wuhan Xiangyin Information Technology Co., Ltd](https://appshunter.io/developer/1712626845) |

## What reviewers say

### PDF转换器

[App page](https://appshunter.io/ios/app/pdf/id1659370888)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pdf转换器周订阅 | $3.99 | per 7 days |
| pdf转换器月订阅 | $12.99 | per month |
| pdf转换器季度订阅 | $19.99 | per 3 months |


### 备孕加速器

[App page](https://appshunter.io/ios/app/id6472880458)

**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 备孕加速器 free?

备孕加速器 is free to download, with no in-app purchases.

### Do PDF转换器 or 备孕加速器 have ads?

Neither PDF转换器 nor 备孕加速器 shows ads.

### Which is updated more often, PDF转换器 or 备孕加速器?

PDF转换器 ships an update every 2 weeks, and 备孕加速器 fortnightly. Most recently, PDF转换器 was updated on September 10, 2026 and 备孕加速器 on February 26, 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.*