Here are the steps to follow to download the Bluetens Application:

1. Make sure your phone is compatible:

Android
Smartphone with Bluetooth 4.0 (BLE), Android version 4.3 or above 

iPhone
iPhone 4S, iOS 8 or above


2. Make sure you have enough space on your smartphone and go to this link:

Android

iPhone

3. Install the app, launch it and follow the instructions!