GradePro

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