ClauseCheck - Contract Diff

Local. Private. One-time.

Only for iPhone

$9.99 · Designed for iPhone. Not verified for macOS.

iPhone

Compare two contracts side by side. Every change highlighted in red and green. Export a PDF report. OCR for scanned PDFs. 100% on-device. ClauseCheck — Compare Contracts Side by Side ClauseCheck lets you compare two contract documents and instantly see every difference, paragraph by paragraph, character by character — all on your device, completely offline. HOW IT WORKS 1. Pick two PDFs or two Word (.docx) files 2. ClauseCheck extracts and aligns the text 3. Review changes in a clean side-by-side view 4. Export a highlighted PDF report and share it KEY FEATURES • Paragraph-level diff with inline character highlighting See exactly which words changed — not just which paragraphs differ. Deletions are shown in red strikethrough, additions in green. • Two view modes "All" shows the full document with changes marked. "Changes Only" hides unchanged paragraphs so you focus on what matters. • Scanned PDF support (NEW in 1.1) No text layer? No problem. Built-in OCR extracts text from scanned PDFs using Apple's Vision framework — entirely on device. • Word document support Compare .docx files with clean paragraph-level accuracy. • PDF export with highlights Generate a professional comparison report with red/green highlighting that prints correctly. Share it directly via the system share sheet. • History Every comparison is saved automatically. Reopen, share, or delete past reports at any time. • Face ID / Touch ID lock Keep your contract comparisons private with biometric protection. • Works with PDF and Word (.docx) Compare PDF vs PDF, or Word vs Word. Both formats supported. PRIVACY FIRST All processing happens locally on your device. No documents are ever uploaded to a server. No account required. No internet needed. From the maker of JianBox, VoxSafe & CalMerge.

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New in version 1.1: • OCR Support for Scanned PDFs Scanned contracts with no text layer can now be compared. ClauseCheck uses on-device Vision OCR to extract text — no internet, no upload. Progress bar and cancel button included. Results are cached for instant re-comparison. • Performance Improvements Diff list and history list now use FlashList for smoother scrolling on large documents (500+ paragraphs) and long export histories. • Simplified Languages Now supports English and Chinese (Simplified). • Stability fixes for multi-page OCR processing.

Version 1.1

The developer, 涛 刘, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • 涛 刘
    Size
    • 32.9 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English and Simplified Chinese
    Age Rating
    4+
    Copyright
    • Copyright © 2026 PrismTao. All rights reserved.
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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