Measure sound levels with A-, C-, or no weighting. Display frequency spectrum. Export measurement data. Use full screen audio mode. Perform accurate and fast recordings.
by Johan Rogard★ 4.327 ratingsUtilitiesFreeData updated 2026-09-06
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.
Barometer measures altitude, local pressure, and sea level pressure using phone sensors. Records data for analysis with graphs and displays weather details like temperature and cloud cover.