The Boveda app is compatible with any iOS phone that runs iOS 11 and supports Bluetooth 4.0. For Android, the phone or tablet must run Android 5.0 Lollipop (API 21) or higher and support Bluetooth 4.0. To determine if your phone is compatible, search for your phone on the website https://www.gsmarena.com. The max upgradeable Platform OS version and Comms Bluetooth line will tell you if the phone is compatible with the app.

Examples:

Samsung Galaxy s86 Edge is compatible

Apple iPad 2 Wi-Fi + 3g is not compatible