Test audio output with customizable sound tones to evaluate speaker performance. Measure decibels and hertz using a built-in sound level meter. Check microphone quality by analyzing sound input levels.
by Appchi LLC★ 4.637,325 ratingsMusicFreeData updated 2026-11-12
Control smart TVs and streaming devices with functions. Adjust volume, change channels, and manage power settings. Pair easily with major brands. No extra hardware needed. Some features require a subscription.
Measure objects or distances in inches, centimeters, and feet. Create sketches with precise lines and annotate with customizable text. Share measurements and sketches directly from the .
