# Document PDF Converter vs 电子签字

The clearest difference is in-app purchases: Document PDF Converter at none against 电子签字's 4. Document PDF Converter also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.6). 电子签字's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price there is nothing between them.

Both are free to download. 电子签字 sells 4 in-app purchases, starting at $3.99 per 7 days. Document PDF Converter asks for nothing beyond the download.

Document PDF Converter ships an update every 6 weeks, 电子签字 every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Document PDF Converter | 电子签字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/document-pdf-converter/id6446476545/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 85.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | **Ad-supported** | Freemium |
| Size | 39 MB | 49 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晓椰 刘](https://appshunter.io/developer/1649682955) | [胜财 陈](https://appshunter.io/developer/1683036692) |

## What reviewers say

### Document PDF Converter

[App page](https://appshunter.io/ios/app/document-pdf-converter/id6446476545)

This app offers a robust suite of file conversion tools, allowing users to transform PDFs into various formats like Word and text, and convert images, PPTs, and Word documents into PDFs. It's designed to be an essential utility for managing and manipulating document formats.

**Highlights:** Convert PDF to Word, Convert PDF to Text, Convert PDF to Pictures, Convert Pictures to PDF, Convert PPT to PDF, Convert Word to PDF

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

**In-app purchases:** none


### 电子签字

[App page](https://appshunter.io/ios/app/id6742074670)

This app converts various document formats, including PDF, Word, Excel, PPT, and images. It also offers features for creating seals, signing contracts, and converting web pages to PDF. Subscription plans are available for enhanced functionality.

**Highlights:** PDF to Word, Excel, PPT, image conversion, Image to Word, PPT, Excel, PDF conversion, Word, Excel, PPT, web to PDF conversion, Seal creation, Contract signing, PDF conversion

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周订阅 | $3.99 | per 7 days |
| 月会员 | $6.99 | per month |
| 季度会员 | $6.99 | per 3 months |
| 年会员 | $19.99 | per year |


## Frequently asked questions

### Is Document PDF Converter free?

Document PDF Converter is free to download, with no in-app purchases.

### Is 电子签字 free?

电子签字 is free to download, with in-app purchases available.

### Do Document PDF Converter or 电子签字 have ads?

Document PDF Converter shows ads; 电子签字 does not.

### Which is updated more often, Document PDF Converter or 电子签字?

Document PDF Converter ships an update every 6 weeks, and 电子签字 every 2 weeks. Most recently, Document PDF Converter was updated on October 24, 2026 and 电子签字 on October 24, 2026.

---

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