iPhone Screenshots


Joule is a comprehensive bike computer that uses opposing force technology to estimate your power output while biking. It is the most advanced application for cyclists, mountain bikers, and runners ever designed for iOS devices. Built from the ground up, it makes your phone a powerful fitness Cycle Computer; with maps, graphs, splits, intervals, laps, announcements, zones, training plans and more.

It uses the sensors available on your phone like the GPS, barometer, compass, accelerometer and gyroscope to estimate speed, acceleration, heading, altitude, air pressure to run a comprehensive model to estimate your ride. Joule helps you to track all of your exercise using GPS, check your stats, and reach your goals. As much longer you will cover distance as more calories burned, too! Take your first step today, download the free Cycling Computer and Bike Tracker app on your phone and push yourself to a fitter and healthier lifestyle.

View your training log and see how you fare in average speed, average power and total distance. Also setup ride alerts to remind you to ride. As a bike computer and cycling tracker, this app provides you with many more features to improve your fitness and ensure you’re enjoying your exercise. Download it right now and enjoy real time cycle speedometer. It’s really easy to use and anyone can use it in few simple taps.

Sync your data and keep remember your fitness memories forever. If you like our Joule Cycle Computer then share with your friends and family. If you have any suggestions to improve then share your feedback at our support email. We are always available to assist you in usage of Joule Bike Computer!

What’s New

Version 2.2.0

Bug fixes

App Privacy

The developer, Ronnel Davis, 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 Linked to You

The following data may be collected but it is not linked to your identity:

  • Health & Fitness
  • Location
  • User Content
  • Usage Data
  • Diagnostics

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


Ronnel Davis
91.6 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
This app may use your location even when it isn't open, which can decrease battery life.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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