Proof: Field Work Camera & Doc

Site GPS Stamp, ID A4 & Sign

Free · Designed for iPad. Not verified for macOS.

All-in-one field work camera & document suite: GPS/SHA-256 Proof ID photo stamping, shift attendance, true-scale 1:1 A4 ID layout, wet-ink PDF signing&offline OCR to Word Proof is an all-in-one field work and site documentation suite designed for site engineers, construction supervisors, field technicians, security patrol staff, and office coordinators—combining a Tamper-Evident Field Proof Camera with a True-Scale Document & PDF Signing studio. 1. TAMPER-EVIDENT FIELD PROOF CAMERA ("PROOF" WORKFLOW) Every photo and video is stamped in real time with verifiable field metadata: • Real-time date/time, GPS coordinates, altitude, and street address • Hardware compass azimuth and device tilt angles • Deterministic SHA-256 "Proof ID" verification code generated from capture metadata • Dedicated field templates: Shift Attendance (smart clock-in/clock-out detection), Site Inspection, Handover Completion, and Security Patrol • Flexible layout customization: toggle individual metadata fields, switch aspect ratios (3:4, 16:9, 1:1, Full), and freely position the info card on screen 2. TRUE-SCALE A4 ID LAYOUT, WET-INK SIGNING & OCR TO WORD ("DOCUMENTS" WORKFLOW) Complete your job-site handover records and administrative paperwork without a computer: • True-scale 1:1 A4 layout engine for 2-sided ID cards, Driver's Licenses (85.6 × 53.98 mm), and Passports (125 × 88 mm) so printed copies match physical dimensions • Dual-page book and site logbook splitting scan mode • Direct wet-ink hand signature and custom red/blue seal stamp (with automatic background removal) onto multi-page PDF reports • 100% on-device OCR text recognition with full-text search across saved documents and direct export to Microsoft Word (.docx) • Face ID / Passcode App Lock to keep sensitive site records and ID documents private 3. 100% ON-DEVICE PRIVACY & FREE UTILITY • All photo stamping, A4 layout rendering, OCR text recognition, and PDF/DOCX generation run locally on your iPhone—your files are never uploaded to external servers • No account registration required and zero advertisements

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The developer, Trong Nguyen Viet, 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

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    Information

    Seller
    Trong Nguyen Viet
    Size
    66 MB
    Category
    Productivity
    Compatibility
    Requires iOS 15.5 or later.
    • iPhone
      Requires iOS 15.5 or later.
    • iPad
      Requires iPadOS 15.5 or later.
    • iPod touch
      Requires iOS 15.5 or later.
    • Mac
      Requires macOS 12.4 or later and a Mac with Apple M1 chip or later.
    Languages
    English and 2 more
    • English, Simplified Chinese, Vietnamese
    Age Rating
    4+
    Copyright
    © 2026 Trong Nguyen Viet
  • Privacy Policy

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