The free ReimaGO app works on iPhone or iPad (iOS 9 or later). Please note, that in order to read the sensor, you need Bluetooth Smart (not featured in iPad generations 1 & 2). The app supports English, Russian and Chinese. You can download it from App Store. ReimaGO app will be available for Android in April 2017.
Are you already using the ReimaGO app? Read more about the latest updates here.