This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.
VoiceViewer by 晓亮 敬





10+ similar apps compared and reviewed
Looking for something like Pitch Witch? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.











This app visualizes sound in real-time using various spectrogram types. Explore detailed audio data with intuitive touch controls and adjustable parameters. An optional purchase unlocks advanced measurement tools.






This app analyzes phone accelerometer data to create a vibration spectrum. It helps evaluate vibration strength, frequency, and the rotation speed of various mechanisms like fans and motors. Useful for quality checks, malfunction detection, and balancing homemade rotating parts.


Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.


Measure sound levels with precision to understand your environment and protect your hearing. Identify loud noises, monitor noise pollution, and find quiet spaces for recording. Features include a decibel dosimeter, background noise measurement, and geo-tagged recordings.


This free keyboard provides easy access to all IPA and extended IPA symbols. Its intuitive layout mirrors the IPA chart, making symbol input fluid and efficient for linguists, language learners, and enthusiasts.


This extension seamlessly redirects your Safari searches to Kagi, a privacy-focused search engine. Enjoy a clean interface with relevant results, no ads, and no data collection, even in private browsing mode.


Create personalized binaural beats for sleep, focus, and meditation. Adjust frequencies to generate custom soundscapes for relaxation or alertness. Requires headphones for optimal experience.


This utility app offers a comprehensive collection of tools for various tasks, including calculations, conversions, networking, and creative aids. It's an open-source project designed to be a versatile digital toolkit for everyday needs.


This advanced sound level meter app offers detailed audio analysis with features like frequency spectrum display and data export. It allows for precise sound measurements in both video and audio recording modes, with options for A-, C-, or no weighting.