# PDF转换器 vs 房贷计算器

The clearest difference is in-app purchases: 房贷计算器 at none against PDF转换器's 3. PDF转换器's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. 房贷计算器 asks for nothing beyond the download.

PDF转换器 ships an update every 2 weeks, 房贷计算器 every 3 months. The most recent releases landed on September 10, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | PDF转换器 | 房贷计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Size | 34 MB | 31 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鑫鑫 陈](https://appshunter.io/developer/1647351343) | [海月 赵](https://appshunter.io/developer/1665052711) |

## 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 |


### 房贷计算器

[App page](https://appshunter.io/ios/app/and/id6446085335)

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

**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 房贷计算器 free?

房贷计算器 is free to download, with no in-app purchases.

### Do PDF转换器 or 房贷计算器 have ads?

Neither PDF转换器 nor 房贷计算器 shows ads.

### Which is updated more often, PDF转换器 or 房贷计算器?

PDF转换器 ships an update every 2 weeks, and 房贷计算器 every 3 months. Most recently, PDF转换器 was updated on September 10, 2026 and 房贷计算器 on August 23, 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.*