# Denk vs Redact Document & PDF

The clearest difference is in-app purchases: Denk at none against Redact Document & PDF's 3. Denk also leads on iOS requirement (10.0 vs 17.0). Redact Document & PDF's advantage is update cadence (every 3 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Redact Document & PDF sells 3 in-app purchases, starting at $9.99 per month. Denk asks for nothing beyond the download.

Denk ships an update every 8 months, Redact Document & PDF every 3 days. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Denk | Redact Document & PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (9 ratings)](https://appshunter.io/ios/app/redact-document-and-pdf/id6761928221/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 23 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Info-Connect A/S](https://appshunter.io/developer/379145543) | [Navneet Kaur](https://appshunter.io/developer/1877602272) |

## What reviewers say

### Denk

[App page](https://appshunter.io/ios/app/denk-connected/id1521476668)

**Features:** macOS Compatibility

**In-app purchases:** none


### Redact Document & PDF

[App page](https://appshunter.io/ios/app/redact-document-and-pdf/id6761928221)

Automatically detect and permanently redact sensitive information from PDFs using on-device AI. Offers smart presets for various document types and manual control for precise redaction. Ensures complete privacy as no documents are uploaded or processed online.

**Highlights:** On-device AI redaction, Smart presets for document types, Manual redaction control, OCR for scanned PDFs, Permanent redaction, Complete privacy

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Redact Monthly | $9.99 | per month |
| PDF Redact Premium Annual | $39.99 | per year |
| PDF Redact Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Denk free?

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

### Is Redact Document & PDF free?

Redact Document & PDF is free to download, with in-app purchases available.

### Do Denk or Redact Document & PDF have ads?

Neither Denk nor Redact Document & PDF shows ads.

### Which is updated more often, Denk or Redact Document & PDF?

Denk ships an update every 8 months, and Redact Document & PDF every 3 days. Most recently, Denk was updated on September 29, 2026 and Redact Document & PDF on October 6, 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.*