# Unit Converter Pro vs PDFAI Scan

The clearest difference is in-app purchases: Unit Converter Pro at none against PDFAI Scan's 3. Unit Converter Pro also leads on iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. PDFAI Scan sells 3 in-app purchases, starting at $3.99 per 7 days. Unit Converter Pro asks for nothing beyond the download.

## The numbers

| Metric | Unit Converter Pro | PDFAI Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/pdfai-scan-document-scanner/id6654887952/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 81 MB | 69 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Nouman Imran](https://appshunter.io/developer/1742728146) | [Duc Lai](https://appshunter.io/developer/1763002953) |

## What reviewers say

### Unit Converter Pro

[App page](https://appshunter.io/ios/app/unit-converter-pro/id6535683111)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDFAI Scan

[App page](https://appshunter.io/ios/app/pdfai-scan-document-scanner/id6654887952)

Transform your device into a smart document scanner with AI-powered study tools. Easily scan, convert, and enhance documents, then leverage AI for summaries, flashcards, and interactive quizzes. Listen to documents read aloud and share your work in various formats.

**Highlights:** AI-powered document scanning, OCR text extraction, AI study tools (summaries, flashcards, quizzes), Text-to-Speech functionality, Export to PDF, Word, Text, Images, iCloud sync across devices

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDFAI Scan Premium Weekly | $3.99 | per 7 days |
| PDFAI Scan Premium Monthly | $4.99 | per month |
| Premium Account(1 year) | $39.99 | per year |


## Frequently asked questions

### Is Unit Converter Pro free?

Unit Converter Pro is free to download, with no in-app purchases.

### Is PDFAI Scan free?

PDFAI Scan is free to download, with in-app purchases available.

### Do Unit Converter Pro or PDFAI Scan have ads?

Neither Unit Converter Pro nor PDFAI Scan shows ads.

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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.*