Open mHealth is described as 'Open architecture is software with source code that is freely available to developers to promote cooperation and interoperability. This means developers can more quickly and effectively work together to create optimized mHealth applications' and is a Health tool in the sport & health category. There are more than 25 alternatives to Open mHealth for a variety of platforms, including iPhone, Web-based, Android, iPad and Android Tablet apps. The best Open mHealth alternative is Google Fit, which is free. Other great apps like Open mHealth are Exist, Samsung Health, Apple Health and Apple HealthKit.