Comparison

Denk vs Redact Document & PDF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Denk

Features
Read full description

Denk-connected is for you who are signed up for one or more events managed through the Conference Manager system. Using your e-mail address you can see details regarding your registration, display your ticket, explore your personal program and more. Denk-connected gives you a complete and paperless overview both before and during the event.

About

Redact Document & PDF

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
Read full description

Automatically detect and redact sensitive information from any PDF or photo — powered by on-device AI. No uploads, no cloud processing. Your documents never leave your device. PDF Redact uses smart detection to find and hide personal information including names, addresses, Social Security numbers, account numbers, phone numbers, email addresses, and more. Just open a PDF, and the app instantly identifies what needs to be redacted. SMART PRESETS FOR EVERY USE CASE • Standard PII — Detect all common personal identifiers • Bank Statement — Hide transactions and account numbers on bank, card, and investment statements while keeping your name, address, and balances visible for loan and rental applications • Tax Documents — Redact SSNs, EINs, and account numbers from W-2s, 1099s, and 1040s • Medical / HIPAA — Remove patient identifiers to share medical records safely, including a HIPAA Safe Harbor option that also removes dates • Legal / Court — Redact names, addresses, and financial details for court filings, with a court-filing format that leaves the last four digits visible as court rules allow The app automatically detects your document type and applies the right preset. POWERFUL DETECTION • AI-powered name and address detection • Account numbers, routing numbers, credit cards, and SSNs • Transaction table detection for bank and credit card statements • Dollar amounts and reference numbers • Works on searchable PDFs, scans, and photos with built-in OCR • Find & Redact — search for any word or number and redact every match EASY TO USE • Single tap to redact a word, double tap for an entire line • Smart mode auto-detects sensitive data across all pages • Manual mode for precise control with black box, white box, blur, or pixelate styles • Review and dismiss any suggestion before exporting PERMANENT, SEARCHABLE EXPORT • Redacted text is removed from the file, not just covered with a box • Everything you didn't redact stays searchable, saved as PDF/A • Hidden text, metadata, and comments are stripped • A built-in privacy audit checks every export before you share it • Optional password protection COMPLETE PRIVACY • All processing happens on your device • No internet connection required for redaction • No document data is ever uploaded or shared • What you redact stays redacted — permanently Your first export is free. Upgrade to unlock unlimited redaction and batch processing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Prefer no subscription? A one-time 5 Export Pack is available.

Screenshots

Denk4 screens
Redact Document & PDF4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Denk versus Redact Document & PDF: the parameters behind the verdict, then further details
ParameterDenkRedact Document & PDF
PriceFreeFree
Rating—4.4 (9 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 8 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS10.0 — better17.0
Further details — not scored
Size24 MB23 MB
Age rating4+4+
DeveloperInfo-Connect A/SNavneet Kaur

In-app purchases

None

Denk

No in-app purchases

3 purchases

Redact Document & PDF

Subscriptions2
  • PDF Redact Monthly3 Days trial$9.991 Month
  • PDF Redact Premium Annual$39.991 Year
One-time1
  • PDF Redact Lifetime$79.99

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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