Walk, walk, walk!!! Measure through Walk. 1. The best accuracy because of new algorithm with Apple Co-processor; 2. The iPhone can be sleep when it is measuring; 3. Can pause the measuring in long way measurement; 4. Share data via message, email and etc.; 5. The data from Apple Watch can be managed by iPhone. Notice: The App runs on iPhone 6 and iPhone 6 plus only because it requires the "Motion & Fitness" capability.
