# PDF Scanner Document Converter vs Sign Documents

PDF Scanner Document Converter and Sign Documents both sit at 4.5 stars, but that hides the real split: 88% of Sign Documents's written reviews are positive against 32% of PDF Scanner Document Converter's. Sign Documents also leads on ads (none vs shown). PDF Scanner Document Converter's advantage is update cadence (every 2 weeks vs every 6 weeks) and ratings volume (549 vs 68). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Scanner Document Converter sells 5 in-app purchases, starting at $9.99 per month and Sign Documents sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for PDF Scanner Document Converter against 4.5 for Sign Documents. That said, the two scores are not equally well evidenced: PDF Scanner Document Converter has 549 ratings behind it against 68, so its average is the more settled of the two. Written reviews are what separate them: 32% of PDF Scanner Document Converter's written reviews are positive against 88% of Sign Documents's.

PDF Scanner Document Converter ships an update every 2 weeks, Sign Documents every 6 weeks. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | PDF Scanner Document Converter | Sign Documents |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (549 ratings)](https://appshunter.io/ios/app/pdf-scanner-document-converter/id1455198783/reviews)** | [4.5 (68 ratings)](https://appshunter.io/ios/app/sign-documents-sign-and-edit-pdf/id6475158813/reviews) |
| Number of ratings | **549** | 68 |
| Positive reviews | 31.9% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 151 MB | 9 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [兰 陈](https://appshunter.io/developer/1227702815) | [晓峰 刘](https://appshunter.io/developer/1605337002) |

## What reviewers say

### PDF Scanner Document Converter

[App page](https://appshunter.io/ios/app/pdf-scanner-document-converter/id1455198783)

Transform your iPhone into a powerful document scanner and converter. Easily scan paper documents to PDF, convert them to various formats like Word or JPG, and then sign, annotate, or share them. Keep all your important files organized and secure locally on your device.

**Highlights:** AI-enhanced document scanning, Automatic page straightening, Multi-language OCR text recognition, Digital signature and annotation tools, Export to PDF, JPG, DOC, TXT, Local document storage and security, Batch import and advanced editing (Premium)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| PDF Scanner Converter | $9.99 | per 7 days |
| Weekly Plan | $9.99 | per 7 days |
| PDF Document Scanner | $59.99 | per year |
| Document Scanner App | $69.99 | per year |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 📄 Converts photos to PDF documents effectively
- 💼 Useful for business and professional needs
- 📧 Allows emailing and faxing scanned documents
- 📁 Keeps PDF file sizes small

**What reviewers complain about**

- 💳 Aggressive subscription billing practices
- ❌ Difficult or impossible to cancel subscription
- 🐛 App crashes frequently
- 📸 Poor scan quality and accuracy
- 🚫 No free trial without payment method

**Reported bugs**

- App crashes on launch
- Scan quality is unreadable
- App keeps asking to sign up despite active account
- Files not emailing properly
- Incompatibility with iPhone 5S

**Requested features**

- Easy in-app cancellation option
- Color scan option
- Genuine free trial without credit card requirement
- Better customer support channels


### 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 |


## Frequently asked questions

### Is PDF Scanner Document Converter free?

PDF Scanner Document Converter is free to download, with in-app purchases available.

### Is Sign Documents free?

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

### Which has better reviews, PDF Scanner Document Converter or Sign Documents?

PDF Scanner Document Converter is rated higher. PDF Scanner Document Converter averages 4.5 out of 5 from 549 ratings, while Sign Documents averages 4.5 from 68 ratings.

### Do PDF Scanner Document Converter or Sign Documents have ads?

PDF Scanner Document Converter shows ads; Sign Documents does not.

### Which is updated more often, PDF Scanner Document Converter or Sign Documents?

PDF Scanner Document Converter ships an update every 2 weeks, and Sign Documents every 6 weeks. Most recently, PDF Scanner Document Converter was updated on November 6, 2026 and Sign Documents on November 8, 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.*