Noom CardioTrainer is described as 'CardioTrainer is your partner for any fitness activity — from biking to yoga! Keep track of your favorite activities and results on-the-go wherever and whenever you want' and is an app in the Sport & Health category. There are more than 25 alternatives to Noom CardioTrainer for a variety of platforms, including Android, iPhone, Android Tablet, Windows Phone and iPad. The best alternative is RunKeeper, which is free. Other great apps like Noom CardioTrainer are GPXSee (Free, Open Source), Adidas Running by Runtastic (Freemium), Zombies, Run! (Freemium) and Nike Run Club (Free).