# Invincible Scanner vs PDF Maker

The clearest difference is in-app purchases: Invincible Scanner at none against PDF Maker's 5. PDF Maker's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Maker sells 5 in-app purchases, starting at $9.99 per 7 days. Invincible Scanner asks for nothing beyond the download.

Invincible Scanner ships an update every 4 months, PDF Maker every 3 weeks. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Invincible Scanner | PDF Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (99 ratings)](https://appshunter.io/ios/app/pdf-maker-converter-and-scanner/id6764216992/reviews)** |
| Number of ratings | — | **99** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 240 MB | 87 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HONGKONG HUIG TRADING LIMITED](https://appshunter.io/developer/1749253327) | [泽裕 王](https://appshunter.io/developer/1895478515) |

## What reviewers say

### Invincible Scanner

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Maker

[App page](https://appshunter.io/ios/app/pdf-maker-converter-and-scanner/id6764216992)

Easily convert various file types to high-quality PDFs, compress large documents, and secure sensitive files with password encryption. This powerful toolkit is designed for work, study, and everyday office tasks, offering fast processing and a user-friendly interface.

**Highlights:** Convert documents, photos, and spreadsheets to PDF, Convert PDF to Word, images, and text, Compress PDF files while maintaining quality, Protect documents with password encryption, Sign PDF files with handwritten or digital signatures, Fast file sharing and export

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WeekMember | $9.99 | per 7 days |
| WeekMember | $19.99 | per 7 days |
| WeekMemberPro | $19.99 | per 7 days |
| MonthMember | $34.99 | per month |
| MonthMember | $39.99 | per month |


## Frequently asked questions

### Is Invincible Scanner free?

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

### Is PDF Maker free?

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

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

Invincible Scanner shows ads; PDF Maker does not.

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

Invincible Scanner ships an update every 4 months, and PDF Maker every 3 weeks. Most recently, Invincible Scanner was updated on October 3, 2026 and PDF Maker on October 22, 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.*