# Sign Documents vs 文件转换

The clearest difference is in-app purchases: 文件转换 at none against Sign Documents's 2. 文件转换 also leads on update cadence (every 9 days vs every 6 weeks). Sign Documents's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Sign Documents sells 2 in-app purchases, starting at $8.99 per month. 文件转换 asks for nothing beyond the download.

Sign Documents ships an update every 6 weeks, 文件转换 every 9 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sign Documents | 文件转换 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (68 ratings)](https://appshunter.io/ios/app/sign-documents-sign-and-edit-pdf/id6475158813/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 9 MB | 16 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晓峰 刘](https://appshunter.io/developer/1605337002) | [慧霞 龙](https://appshunter.io/developer/1738399667) |

## What reviewers say

### Sign Documents

[App page](https://appshunter.io/ios/app/sign-documents-sign-and-edit-pdf/id6475158813)

Easily add signatures, text, and images to your PDF documents. This user-friendly tool offers real-time saving and an intuitive interface for quick document personalization. Ideal for students and professionals needing efficient PDF editing.

**Highlights:** Add signatures, Insert text, Add images, Real-time saving, Intuitive interface, Personalize documents

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Editor PRO | $8.99 | per month |
| Forever Pro | $14.99 | one-time |


### 文件转换

[App page](https://appshunter.io/ios/app/pdf/id6766906771)

This app allows for authentic handwritten electronic signatures on documents. It also offers document scanning with OCR, extraction of data from tables into Excel, and conversion of various files to PDF. Manage your identification documents with its scanning feature.

**Highlights:** Handwritten electronic signatures, Document scanning with OCR, Table to Excel extraction, ID document management, File to PDF conversion

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

**In-app purchases:** none


## Frequently asked questions

### Is Sign Documents free?

Sign Documents is free to download, with in-app purchases available.

### Is 文件转换 free?

文件转换 is free to download, with no in-app purchases.

### Do Sign Documents or 文件转换 have ads?

Neither Sign Documents nor 文件转换 shows ads.

### Which is updated more often, Sign Documents or 文件转换?

Sign Documents ships an update every 6 weeks, and 文件转换 every 9 days. Most recently, Sign Documents was updated on November 6, 2026 and 文件转换 on November 5, 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.*