Workout vs Noise Meter +

"Workout" makes interval training a breeze. Play your favorite music — including streamed Apple Music tracks — while running timed intervals. Music automatically mutes during rest periods, so you can focus entirely on your workout rhythm. IDEAL FOR: * Interval training * Circuit training * Any type of timed workout HOW IT WORKS 1. Select the songs you want from your Apple Music library. 2. Choose a workout with work and rest durations. 3. Tap play — and go! You can even run workouts without music — the optional beep signals will still guide you through the intervals. SETTINGS (found in iPhone Settings): * Beep sound – play short beeps at each interval change. * Song transitions – choose how music flows between songs: – Off – Skip to next when 6 seconds remain – Crossfade (smoothly blends songs together) IN-APP OPTIONS: * Mute button – instantly silence the music during your workout. * Pause workout – fully pauses both the workout and the music. Tap again to continue. * Create and save your own custom workouts.

This app is primarily used to measure sound level of surroundings. It contains the following features: 1) Plot the measured data in real time. 2) Measurement duration and measurement frequency are customizable. 3) Users could set alert value to some level (Ex. 70 dB). When the measured sound level exceeds the alert value, it will alert users. 4) The location information of the measurement points could also be obtained, and all the measurement results could be shown in map. 5) All measured data could be exported as a csv format file for post process. 6) In addition, users could also add photos, videos and voice notes to the measured data, and the photos, videos and voice notes could be downloaded via iTunes.