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Determine the slope from anywhere you are standing on the green in real-time with Slopegraide, golf's first wearable green reading system! This patent pending training aid uses the position of the sensor worn on your midsection and displays a slope measurement to your iPhone or Apple Watch instantly!

No green reading books to sort through.
No courses to preload on your iPhone or Apple Watch.
No subscriptions. It is FREE!

Just a quick and seamless calibration process for the sensor and you are ready to play your best golf.

Slopegraide was made by players for players. Misreading putts on the green all day are now a thing of the past. Build your confidence in your green reading and putting, take advantage of the great shots you hit, and CREATE YOUR MOMENT with Slopegraide.

• Real-time slope measurements
• Trains both your eyes and feel in lower extremities for various slopes on the green
• Slopegraide can be used with your Apple Watch without needing your iPhone nearby!
• Adjust the sensitivity of the sensor to accommodate users with limited mobility or different golf apparel
• Display measurements in slope degrees or slope percentage (great for users of AimPoint!)
• One-Shot or Continuous Feedback Mode – Display one consistent slope measurement at a time or continuous slope measurements for 10 seconds

NOTE: A Slopegraide wearable sensor is required to use this app. Go to for more information.
Jeffrey David Golf, LLC