Meazurem Client software is the app that you use to observe your data. The client software is available for Android and iOS (iPhone & iPad).
Meazurem Gateway software listens to the measurement data from the remote sensors, processes and uploads the data to the cloud. The gateway software is available for Android and Raspberry Pi.
The Raspberry Pi gateway has been tested to work with Raspbian (Stretch, 9) and Raspberry Pi OS (Buster, 10) on Pi 4 Model B, Pi 3 Model B+ and Pi Zero W. All these have integrated Bluetooth Low Energy chip and they are perfect for the gateway usage.
Raspberry Pi - Raspbian (Stretch, 9): Version 1.6.2
Raspberry Pi - Raspberry Pi OS (Buster, 10): Version 1.6.2
To get started with the setup, please see How to setup Meazurem Gateway for Linux.
The Android gateway is meant to be run with spare or extra phone. It's not designed to be used with your main phone. The gateway requires at least Android version 4.4 (Kitkat).
To get started with the setup, please see How to setup Meazurem Gateway for Android.