Noom Weight reduction Coach bucked the fashion by launching on Android first but now the very best grossing health and fitness app on Google Play is coming to iOS 5.

The app, which tracka exercise, food intake and provides motivationhas had greater than 17m installs inside the Android market. The corporate says it hopes to grow those numbers ‘exponentially’ within the coming months after this launch.

It might be available in English and Korean, where the app has proved extremely popular. The firm monetises by enabling its users to upgrade to pro versions of the app.