Set duration, enable sound or vibration alerts, and repeat sessions. Start and stop the manually. Receive vibration cues during stretches. No settings or accounts required.
Displays sound frequencies using a Fast Fourier transform. Users can visualize incoming sound as individual sine waves. The shows frequency spectrum displays to analyze audio components.
A that remains dark except when needed. Display hides after adjustable time interval. Tap screen to view time, which disappears again after the interval. On iPhones in portrait mode, wave hand to activate time display via proximity sensor.
Set timers for cooking, workouts, meetings, and other tasks. Customize colors for personalization. Set alarms with sound options. Pause and reset timers manually. Track elapsed time and remaining duration. Share timer sessions via social media.
Create a virtual call to excuse yourself from social situations. Choose simulation time, caller, and ringtone. Spoof friends with realistic call effects. End calls instantly to leave events.
Monitor status with real-time CPU, memory, and storage usage. Check location services and manage permissions. View battery health and sensor data. Control access to hardware parameters and sensor inputs.
Customize the 's appearance with color changes. Switch between basic and scientific modes with over 30 operations. View calculation history and equations. Perform calculations with precision up to 75 significant digits.
Measure vibrations using phone sensors to detect seismic activity or body tremors. Display readings on the modified Mercalli intensity scale. Calibrate the to set maximum values between 10-11. Provide reference comparisons for earthquake vibrations.
Identify U.S. Federal Reserve currency denominations using image recognition and device camera. Communicate results via voice, beeps, or vibrations. Supports Series 1996 to current notes. Integrates with VoiceOver for feedback.
Set cooking timers for fondue with customizable fork colors. Preloaded with timers for 6 common foods. Receive vibration or push notifications when done. No user data is collected.
Track breath hold durations with custom CO2 and O2 tables. Set individual durations and table sizes. Record attempts and view history. Receive vibration or speech notifications during sessions.