# 签字宝 vs 文件转换

The clearest difference is in-app purchases: 文件转换 at none against 签字宝's 3. 签字宝's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. 签字宝 sells 3 in-app purchases, starting at $4.99 per month. 文件转换 asks for nothing beyond the download.

签字宝 ships an update every 3 weeks, 文件转换 every 9 days. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 签字宝 | 文件转换 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6450930035/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 14 MB | 16 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [金凤 王](https://appshunter.io/developer/1670776957) | [慧霞 龙](https://appshunter.io/developer/1738399667) |

## What reviewers say

### 签字宝

[App page](https://appshunter.io/ios/app/id6450930035)

Effortlessly create and apply digital signatures to documents. Supports realistic handwritten signatures, electronic seals, and secure document management. Share signed files easily across multiple platforms.

**Highlights:** Digital signature creation, Realistic handwritten signatures, Electronic seal application, Secure document management, One-click file sharing, Multi-platform integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 高级会员（月度） | $4.99 | per month |
| 高级会员（年度） | $19.99 | per year |
| 永久会员 | $29.99 | 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 签字宝 free?

签字宝 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 签字宝 or 文件转换 have ads?

Neither 签字宝 nor 文件转换 shows ads.

### Which is updated more often, 签字宝 or 文件转换?

签字宝 ships an update every 3 weeks, and 文件转换 every 9 days. Most recently, 签字宝 was updated on September 26, 2026 and 文件转换 on September 30, 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.*