GradePro

A Construction Tool, Not a Toy

Free · In‑App Purchases · Designed for iPad

GradePro transforms your iPhone into a professional-grade leveling and slope management tool. Whether you're a contractor, landscaper, excavator, or drainage specialist, GradePro delivers the precision you need without expensive survey equipment. Two Powerful Modes for Every Job Guidance Mode: Set Perfect Grades with Confidence Stop guessing. GradePro's innovative Guidance Mode provides real-time visual cues and directional arrows that guide you to your exact target grade. Simply set your desired slope percentage and direction, then watch as color-coded indicators and dynamic rotation show you exactly when you've achieved the perfect angle. Features include: Real-time visual feedback with color-morphing indicators Adjustable sensitivity controls for snappy or smooth guidance Audio feedback option for hands-free operation on noisy job sites Support for uphill, downhill, or neutral slope directions High vibration mode for use near running equipment Precision down to 0.1 percent grade accuracy Survey Mode: Verify, Document, and Calculate Already completed the work? Survey Mode lets you quickly verify existing slopes and document your measurements. The integrated grade calculator helps you determine required rise or drop for any run distance, making cut and fill calculations simple. Features include: Instant grade verification and measurement Built-in calculator for rise and drop calculations Beautiful visual profile charts showing grade changes over distance Export capabilities for PDF documentation and client records Historical data tracking across multiple site visits Professional Project Management GradePro isn't just a level - it's a complete project management system designed for construction professionals. Organize by Project: Create unlimited projects for different job sites Store client information and site details Track multiple readings per project with timestamps Label key points like drains, curbs, stakes, and grade changes Record distances between measurement points Field Log & Documentation: Comprehensive reading history with sortable entries Visual profile charts showing elevation changes Custom labels and measurement annotations Photo documentation with embedded slope data Swipe-to-delete for quick field edits Smart Grade Library: Quick access to common grades: 0.5%, 1%, 1.5%, 2%, 4% Save custom grades for frequently used specifications Reusable presets across all your projects One-touch calibration for any reference surface Adjustable display precision from 0.1% to 1% intervals Toggle between percentage and degree measurements Customizable arrow sensitivity for your working style GradePro leverages the latest iOS capabilities to deliver professional results: iCloud sync across all your Apple devices CoreMotion integration for precise accelerometer readings Optimized for iOS 17 and iPhone 15 Pro Works offline - no internet connection required on site Why Contractors Choose GradePro Always in Your Pocket: No need to carry expensive laser levels or survey equipment for quick checks and adjustments. Real Construction Tool: Designed by professionals for professionals. This isn't a toy level app - it's built for actual job site use. Save Time and Money: Verify grades instantly, catch errors early, and document your work for clients without additional equipment. Easy to Learn: Intuitive interface means your entire crew can use it effectively from day one. Reliable Documentation: Generate PDF reports for client records, inspections, and your own project archives. Perfect For: Site preparation and excavation Concrete flatwork and slabs Drainage and grading projects Landscape contouring Patio and deck construction Retaining wall installations French drain layouts Get Started with a 7-Day Free Trial Try all features risk-free for seven days. No subscription required - just a simple one-time purchase to unlock unlimited professional use. Our EULA https://www.leindesign.ca/policy/eula.php

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The developer, John Lein, 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

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    • Seller
      • John Lein
    • Size
      • 3.1 MB
    • Category
      • Productivity
    • Compatibility
      Requires iOS 26.2 or later.
      • iPhone
        Requires iOS 26.2 or later.
      • iPad
        Requires iPadOS 26.2 or later.
      • Mac
        Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 26.2 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2000 - 2026 Lein Design Inc.