# Thunder Scanner vs PDF Scanner

The clearest difference is ads: PDF Scanner at none against Thunder Scanner's shown. Thunder Scanner's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Thunder Scanner sells 3 in-app purchases, starting at $2.99 per 7 days and PDF Scanner sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Thunder Scanner ships an update every 2 weeks, PDF Scanner every 2 months. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Thunder Scanner | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (653 ratings)](https://appshunter.io/ios/app/thunder-scanner-qr-reader/id6444072721/reviews)** | — |
| Number of ratings | **653** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 127 MB | 108 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [APEXMOBI PTE. LTD.](https://appshunter.io/developer/1604377579) | [SANATORIJA K SIA](https://appshunter.io/developer/1715569007) |

## What reviewers say

### Thunder Scanner

[App page](https://appshunter.io/ios/app/thunder-scanner-qr-reader/id6444072721)

This app allows for quick scanning and generation of QR codes for various purposes, including sharing Wi-Fi passwords and event details. It also integrates AI to analyze scanned codes, providing context and summaries for a more insightful experience.

**Highlights:** Fast QR code scanning, QR code generation, AI analysis of scanned codes, Scan photos with GPT-4o, Obtain detailed information from codes, Easy sharing of generated codes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thunder Premium Weekly | $2.99 | per 7 days |
| Thunder Premium Weekly | $4.99 | per 7 days |
| Thunder Premium Yearly | $49.99 | per year |


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-doc-converter/id6471535887)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Pro Access | $4.99 | per 7 days |
| Get Pro Access | $9.99 | per month |
| Get Pro Access | $29.99 | per year |


## Frequently asked questions

### Is Thunder Scanner free?

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

### Is PDF Scanner free?

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

### Do Thunder Scanner or PDF Scanner have ads?

Thunder Scanner shows ads; PDF Scanner does not.

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

Thunder Scanner ships an update every 2 weeks, and PDF Scanner every 2 months. Most recently, Thunder Scanner was updated on October 27, 2026 and PDF Scanner on October 20, 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.*