# PDF Masker vs Auto Redact AI

The clearest difference is in-app purchases: Auto Redact AI at none against PDF Masker's 1. Auto Redact AI 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 Masker sells 1 one-off in-app purchase. Auto Redact AI asks for nothing beyond the download.

PDF Masker ships an update monthly, Auto Redact AI every 5 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF Masker | Auto Redact AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/pdf-masker-secure-redaction/id6748043661/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Ad-supported | — |
| Size | 14 MB | 114 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [Venkat Dheeraj Dhavaleswarapu](https://appshunter.io/developer/1856563678) |

## What reviewers say

### PDF Masker

[App page](https://appshunter.io/ios/app/pdf-masker-secure-redaction/id6748043661)

Easily mask sensitive keywords in PDF files before sharing. Import PDFs, specify multiple keywords, and customize redaction colors. Export as text or image-based PDFs for secure data sharing.

**Highlights:** Import PDFs via Share menu, Bulk keyword redaction, Export as text or image PDF, Multiple keyword support, Customizable redaction color, Save keyword histories

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Auto Redact AI

[App page](https://appshunter.io/ios/app/auto-redact-ai/id6788022562)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Masker free?

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

### Is Auto Redact AI free?

Auto Redact AI is free to download, with no in-app purchases.

### Do PDF Masker or Auto Redact AI have ads?

PDF Masker shows ads; Auto Redact AI does not.

### Which is updated more often, PDF Masker or Auto Redact AI?

PDF Masker ships an update monthly, and Auto Redact AI every 5 weeks. Most recently, PDF Masker was updated on October 30, 2026 and Auto Redact AI on November 5, 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.*