# PDF Scanner vs Control Stack

The clearest difference is in-app purchases: Control Stack at none against PDF Scanner's 3. Control Stack also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Scanner sells 3 in-app purchases, starting at $5.99 per 7 days. Control Stack asks for nothing beyond the download.

PDF Scanner ships an update every 6 weeks, Control Stack every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PDF Scanner | Control Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-scanner-receipt-scanner/id1616664705/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 22 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Arslan](https://appshunter.io/developer/1616664707) | [Mindset Cyber](https://appshunter.io/developer/1894765574) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-receipt-scanner/id1616664705)

Transform your device into a powerful portable scanner. Effortlessly capture paper documents like receipts and notes, converting them into high-quality PDFs or JPGs. Organize, edit, and share your scanned files with ease.

**Highlights:** Scan documents with device camera, Convert images to PDF/JPG, Smart cropping and auto enhancement, Organize documents with folders and tags, Edit image brightness and contrast, Password encrypt PDFs, Share scanned documents

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Share - Weekly | $5.99 | per 7 days |
| Remove Ads & Share - Monthly | $7.99 | per month |
| Remove Ads & Share - Lifetime | $19.99 | one-time |


### Control Stack

[App page](https://appshunter.io/ios/app/control-stack-essential-8-plus-iso/id6762587850)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner free?

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

### Is Control Stack free?

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

### Do PDF Scanner or Control Stack have ads?

PDF Scanner shows ads; Control Stack does not.

### Which is updated more often, PDF Scanner or Control Stack?

PDF Scanner ships an update every 6 weeks, and Control Stack every 3 weeks. Most recently, PDF Scanner was updated on November 5, 2026 and Control Stack on October 31, 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.*