# Invincible Scanner vs PDF Converter

The clearest difference is in-app purchases: Invincible Scanner at none against PDF Converter's 4. PDF Converter's advantage is ads (none vs shown) and update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Converter sells 4 in-app purchases, starting at $2.99 per 7 days. Invincible Scanner asks for nothing beyond the download.

Invincible Scanner ships an update every 4 months, PDF Converter every 2 months. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Invincible Scanner | PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (7 ratings)](https://appshunter.io/ios/app/pdf-converter-scan-and-edit/id6503807845/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 240 MB | 47 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HONGKONG HUIG TRADING LIMITED](https://appshunter.io/developer/1749253327) | [Shaanxi Jinxi Network Technology Co., Ltd.](https://appshunter.io/developer/1716288900) |

## What reviewers say

### Invincible Scanner

[App page](https://appshunter.io/ios/app/invincible-scanner/id6503436860)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-scan-and-edit/id6503807845)

This app provides a comprehensive suite of tools for creating, editing, and managing PDF files on your mobile device. Easily scan documents, convert various file formats to PDF, and extract text with OCR technology. Organize your documents efficiently for work or study.

**Highlights:** Create PDFs from text, images, and documents, Scan documents with device camera, OCR text recognition, Split and merge PDF files, Convert between PDF and Word, Excel, PowerPoint, TXT, images

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Access | $2.99 | per 7 days |
| Pro Monthly Discount | $4.99 | per month |
| Pro Monthly Access | $8.99 | per month |
| Pro Annual Plan (Best Deal) | $29.99 | per year |


## Frequently asked questions

### Is Invincible Scanner free?

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

### Is PDF Converter free?

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

### Do Invincible Scanner or PDF Converter have ads?

Invincible Scanner shows ads; PDF Converter does not.

### Which is updated more often, Invincible Scanner or PDF Converter?

Invincible Scanner ships an update every 4 months, and PDF Converter every 2 months. Most recently, Invincible Scanner was updated on November 4, 2026 and PDF Converter 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.*