In this thesis a mobile phone application called “WristMate” is developed as part of environment that consists of a smart bracelet device which reads sensor data, a mobile phone that uses Android OS which connects to the bracelet and mobile phone application. The main goal of the application is the collection of data from the bracelets temperature sensor and forwarding the obtained data to a cloud-based database. The application is the main point of the system and serves as the middle point in the communication. The market for smart bracelet applications already has applications with similar functionalities but they are expensive and have additional functionalities. The aim of development of “WristMate” application is to find a way to intro...