Kieslect is a free Android application designed to enhance the functionality of the Kieslect ks smartwatch. It features seamless integration for managing incoming calls and SMS/MMS messages, allowing users to answer calls and view messages directly on their smartwatch. The app also enables quick replies through pre-configured SMS when a call is rejected, although it requires SMS and Call Log permissions to function properly.

In addition to communication features, Kieslect tracks and displays health and fitness data collected by the smartwatch. Users can monitor their heart rate through line graphs and histograms, while also keeping track of sports metrics such as step count, stride frequency, and distance. The app includes functionality for setting reminders and alarms, making it a comprehensive tool for general health and fitness tracking.