Measure heart rate or breathing rate by tapping the screen. Count objects, people, or events without a pen. Determine beats per minute for music tracks. Sync data with other apps for analysis.
Count occurrences with a simple interface. Add items by pressing +. Track counts over time with date and time stamps. Use Today Panel extension for quick additions. Monitor progress for daily activities.
Send and receive text messages using waves between nearby devices. Utilize audible or ultrasound communication without internet. Messages are transmitted through and received by allowing microphone access.