Comparison

OSS Document Scanner vs Redac Marker

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

Head to head
About

OSS Document Scanner

Transform your mobile device into a powerful document scanner. Easily scan, enhance, organize, and export documents as PDFs or images. Features offline OCR and secure password protection for your files.

Highlights
  • Fast camera scanning with automatic edge detection
  • Bulk scanning and import from images/PDFs
  • Enhance PDF quality with filters and editing tools
  • Organize documents with colored folders and sorting
  • Export to PDF, JPEG, or PNG
  • Offline OCR for searchable PDFs
  • Password protection for generated PDFs
Features
Read full description

OSS Document Scanner is a free and Open Source app to transform your mobile device into a powerful document scanner. SCAN * Scan your documents or receipts with a fast camera scan. * Enjoy the automatic edge detection feature allowing you to quickly scan many documents * Bulk scan documents or book pages * Import documents from images or even existing PDF * You can scan to PDF any kind of document: Receipts, IDs, notes, recipes, photos, business cards, whiteboards, books. You can then use and work with the generated PDFs on all your devices, phones, computers, tablets... ENHANCE * Improve PDFs quality by applying enhancing filters for color or black & white documents. * Edit crop * Reorder pages, merge documents * Rotate pages * Change brightness and contrast to create beautiful documents ORGANIZE * Create folders with colors for easy access * Sort documents * Name documents EXPORT * create PDF directly from your mobile device by converting photos, images, other documents, into beautiful and configurable PDFs. * export and share your documents to PDF or JPEG or PNG with your friends, family, colleagues SEARCH * OCR your documents using offline (to be downloaded first) and open source models in many languages. * Generate searchable PDFs by converting images to text using the powerful OCR models from the Tesseract project. SECURITY * Improve the security of your generated PDF by adding a password. SYNC * Synchronize your documents, PDFs, Images with your computers, other devices or local folder sync. * Sync to WebDAV, Google Drive or OneDrive PRIVACY * Use a free and Open Source document scanner to protect your privacy COMMUNITY * Provide feedback or even help translate the app. You are part of this project and you make help it grow so that everyone can enjoy the best free and open source document scanner

About

Redac Marker

Features
Read full description

Redac Marker redacts personal information from photos and PDFs — entirely on your device. Nothing leaves your phone. Auto-detect names, emails, phone numbers, addresses, ID numbers, and faces, then redact with one tap. Add custom words and phrases to your personal vocabulary and Redac will flag them every time. • 100% on-device. No cloud, no accounts, no tracking. • Photos and multi-page PDFs. • Auto-detection for common PII categories. • Custom vocabulary for project-specific terms. • Share or save the redacted output anywhere. • Share extension — redact from any app. Built for journalists, lawyers, researchers, and anyone who needs to share documents without leaking what's behind them.

Screenshots

OSS Document Scanner4 screens
Redac Marker3 screens

Verdict

The call

The clearest difference is in-app purchases: Redac Marker at none against OSS Document Scanner's 5. Redac Marker also leads on update cadence (every 2 days vs fortnightly). OSS Document Scanner's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 26.0). On price and ads 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. OSS Document Scanner sells 5 one-off in-app purchases. Redac Marker asks for nothing beyond the download.

UpkeepUpdate frequency

OSS Document Scanner ships an update fortnightly, Redac Marker every 2 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
OSS Document Scanner versus Redac Marker: the parameters behind the verdict, then further details
ParameterOSS Document ScannerRedac Marker
PriceFreeFree
Rating4.2 (10 ratings) — better—
Positive reviews60.0% of reviews—
Number of ratings10 — better—
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better26.0
Further details — not scored
Size78 MB1 MB
Age rating4+4+
DeveloperAkylasYour AI LLC

In-app purchases

5 purchases

OSS Document Scanner

One-time5
  • a coffee$0.99
  • a big coffee$1.99
  • a beer$3.99
Show 2 more
  • a pint$8.99
  • a very nice donation$17.99
None

Redac Marker

No in-app purchases

Questions

Is OSS Document Scanner free?
OSS Document Scanner is free to download, with in-app purchases available.
Is Redac Marker free?
Redac Marker is free to download, with no in-app purchases.
Do OSS Document Scanner or Redac Marker have ads?
Neither OSS Document Scanner nor Redac Marker shows ads.
Which is updated more often, OSS Document Scanner or Redac Marker?
OSS Document Scanner ships an update fortnightly, and Redac Marker every 2 days. Most recently, OSS Document Scanner was updated on October 2, 2026 and Redac Marker on October 1, 2026.

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