RunKeeper is described as 'Track your running, walking, cycling using your smartphone's built-in GPS. Record your entire activity history and track your performance progress' and is a very popular Run Tracker in the Sport & Health category. There are more than 50 alternatives to RunKeeper for a variety of platforms, including Android, iPhone, Online / Web-based, Apple Watch and Android Tablet. The best alternative is Strava, which is free. Other great apps like RunKeeper are Google Fit (Free), RunnerUp (Free, Open Source), GPXSee (Free, Open Source) and Zombies, Run! (Freemium).
Health Glance is a standalone Watch app that provides customisable health data complications, with support for multiple different complications. You can also view health data in the app, without using complications.
MMA Spartan System is simple to use, as the material design inside the app creates a clear and simple flow through the workouts and exercises. This app has millions of satisfied users, you can be one of them!.
PK Fitness is an effort-based workout tracker. Using the science of your body, the app tracks how hard you're working and tells you in real-time as your exercising, keeping you accountable and motivated every step of the way.