Detects headphone jack removal to trigger an and stops it upon reinsertion. Activates via device shaking. Offers multiple sounds and adjustable volume levels. Allows background operation while using other apps.
Monitors device data and user input for research purposes. Collects and anonymizes information locally and remotely. Allows user interaction for data gathering. Stores data securely for analysis in public health and safety studies.
Displays real-time device orientation relative to magnetic fields. Switch between true and magnetic North. Shows location coordinates, course, speed, and altitude. Tracks movement and provides directional data.
