Home Apps 4iiii App
4iiii App

4iiii App

Let the 4iiii app help you achieve your running, cycling and fitness goals! Designed to easily connect you to your activity data, this app is your gateway to personalized sensor configuration, accurate data real-time viewing and updated key features.

Resources

  1. User Guide
Update for US Customers — Reese’s Law
Find a Dealer
Locate a dealer or retail partner near you.
Dealer Locator
Watts Going On?
Subscribe to our newsletter for the latest products, exclusive giveaways and more.
Sign Up
Help Center
Need more info? Have a question for us? We’re here to help.
Learn More

Choose your region: