Aerko_ is described as 'Local-first, privacy-focused Progressive Web App (PWA) designed to replace bloated fitness and nutrition trackers like MyFitnessPal or Hevy. Built entirely without frameworks (100% Vanilla JS), it ensures your data stays exactly where it belongs: on your device' and is an website in the sport & health category. There are more than 10 alternatives to Aerko_, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad, Apple Watch and Android Tablet apps. The best Aerko_ alternative is LibreFit, which is both free and Open Source. Other great sites and apps similar to Aerko_ are MyFitnessPal, Google Fit, Cronometer and Samsung Health.