# PDF转换器 vs 电子签字

The clearest difference is review sentiment: 电子签字 at 85% against PDF转换器's 54%. PDF转换器's advantage is iOS requirement (12 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF转换器 sells 12 in-app purchases, starting at $6.99 per 7 days and 电子签字 sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF转换器 ships an update fortnightly, 电子签字 every 2 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF转换器 | 电子签字 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-pdf/id1661313008/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 53.8% of reviews | **85.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Freemium | Freemium |
| Size | 81 MB | 49 MB |
| Requires iOS | **12** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [习美 鄢](https://appshunter.io/developer/1649179748) | [胜财 陈](https://appshunter.io/developer/1683036692) |

## What reviewers say

### PDF转换器

[App page](https://appshunter.io/ios/app/pdf-pdf/id1661313008)

This app offers versatile document conversion and management tools for mobile users. Easily transform over 10 file formats, including PDF to Word, Excel, and images, and vice versa. It also provides features for merging, splitting, securing, and scanning documents.

**Highlights:** 10+ format conversions, PDF to Word, Excel, PPT, Image to PDF, PDF merging and splitting, Watermark and password protection, Cloud document sync, Mobile scanning

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超值周会员 | $6.99 | per 7 days |
| 周会员 | $6.99 | per 7 days |
| 3天免费试用 | $6.99 | per 7 days |
| 包周服务 | $6.99 | per 7 days |
| 超值包年服务 | $12.99 | per year |
| 包周会员 | $12.99 | per 7 days |
| 包月会员 | $19.99 | per month |
| 包年会员 | $24.99 | per year |
| 年会员 | $29.99 | per year |
| 包年服务 | $39.99 | per year |
| 永久终生会员 | $14.99 | one-time |
| 永久会员 | $24.99 | one-time |


### 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 PDF转换器 free?

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

### Is 电子签字 free?

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

### Do PDF转换器 or 电子签字 have ads?

Neither PDF转换器 nor 电子签字 shows ads.

### Which is updated more often, PDF转换器 or 电子签字?

PDF转换器 ships an update fortnightly, and 电子签字 every 2 weeks. Most recently, PDF转换器 was updated on October 30, 2026 and 电子签字 on October 24, 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.*