# PDF vs InstaPDF Scanner

The clearest difference is review sentiment: InstaPDF Scanner at 100% against PDF's 25%. InstaPDF Scanner also leads on rating (5.0 vs 1.0) and ads (none vs shown). PDF's advantage is iOS requirement (13.0 vs 18.0). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

InstaPDF Scanner holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 25% of PDF's written reviews are positive against 100% of InstaPDF Scanner's.

PDF ships an update every 110 months, InstaPDF Scanner every 2 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PDF | InstaPDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pdf-unlimited-ocr-scan/id1089003700/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/instapdf-scanner/id6751470128/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 110 months | **Every 2 days** |
| Monetization | Ad-supported | **Free** |
| Size | 193 MB | 21 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Marc Kronberg](https://appshunter.io/developer/1546082530) |

## What reviewers say

### PDF

[App page](https://appshunter.io/ios/app/pdf-unlimited-ocr-scan/id1089003700)

Transform your device into a portable scanner for unlimited multipage documents. Digitize receipts, reports, and more into searchable, editable digital files. Effortlessly share, print, or fax your scanned documents.

**Highlights:** Unlimited multipage scanning, Advanced OCR text extraction, Auto-enhancement and smart cropping, Searchable PDF creation, Flexible export to cloud services, Wireless printing and faxing

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

**In-app purchases:** none


### InstaPDF Scanner

[App page](https://appshunter.io/ios/app/instapdf-scanner/id6751470128)

Transform your device into a professional document scanner. Capture, convert, organize, and share documents like receipts, contracts, and notes in seconds with high clarity. Features smart auto-crop, multi-page scanning, and on-device processing for enhanced privacy.

**Highlights:** Smart auto-crop and edge correction, Crystal-clear image enhancement, Multi-page PDF creation, On-device privacy-first processing, Offline scanning capabilities, Extensive sharing options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF free?

PDF is free to download, with no in-app purchases.

### Is InstaPDF Scanner free?

InstaPDF Scanner is free to download, with no in-app purchases.

### Which has better reviews, PDF or InstaPDF Scanner?

InstaPDF Scanner is rated higher. PDF averages 1.0 out of 5 from 1 ratings, while InstaPDF Scanner averages 5.0 from 1 ratings.

### Do PDF or InstaPDF Scanner have ads?

PDF shows ads; InstaPDF Scanner does not.

### Which is updated more often, PDF or InstaPDF Scanner?

PDF ships an update every 110 months, and InstaPDF Scanner every 2 days. Most recently, PDF was updated on November 7, 2026 and InstaPDF Scanner on October 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.*