# 极相机 vs 迅疾PDF转换器

The clearest difference is in-app purchases: 极相机 at none against 迅疾PDF转换器's 2. 极相机 also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. 迅疾PDF转换器 sells 2 in-app purchases, starting at $3.49 per month. 极相机 asks for nothing beyond the download.

极相机 ships an update every 3 days, 迅疾PDF转换器 every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | 极相机 | 迅疾PDF转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ABV Mobile](https://appshunter.io/developer/595885253) | [进韬 张](https://appshunter.io/developer/1561446867) |

## What reviewers say

### 极相机

[App page](https://appshunter.io/ios/app/id1525322135)

**Features:** macOS Compatibility

**In-app purchases:** none


### 迅疾PDF转换器

[App page](https://appshunter.io/ios/app/pdf/id6443480605)

This app facilitates rapid conversion between PDF and various document formats, including Word, JPG, PPT, and Excel. Its stable core ensures accurate conversions without data loss, catering to diverse user needs.

**Highlights:** PDF to Word conversion, PDF to JPG conversion, PDF to PPT conversion, PDF to Excel conversion, Word to PDF conversion, Image to PDF conversion, Accurate conversion results

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF转换器高级月费订阅 | $3.49 | per month |
| PDF转换器高级年费订阅 | $9.99 | per year |


## Frequently asked questions

### Is 极相机 free?

极相机 is free to download, with no in-app purchases.

### Is 迅疾PDF转换器 free?

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

### Do 极相机 or 迅疾PDF转换器 have ads?

迅疾PDF转换器 shows ads; 极相机 does not.

### Which is updated more often, 极相机 or 迅疾PDF转换器?

极相机 ships an update every 3 days, and 迅疾PDF转换器 every 2 months. Most recently, 极相机 was updated on November 3, 2026 and 迅疾PDF转换器 on November 3, 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.*