Test your speakers and microphones with specialized sound frequencies. Measure sound in decibels and Hz to assess speaker quality and detect damage. Identify potential microphone issues.
钢琴巴士 by Shanghai Music Publishing House Co., Ltd.





15+ similar apps compared and reviewed
Whether you want more options like Trinity | Audio Mastering or a completely different take on the same concept, our curated list of 15+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.










Test your speakers and microphones with specialized sound frequencies. Measure sound in decibels and Hz to assess speaker quality and detect damage. Identify potential microphone issues.
Listen to a dedicated radio station featuring the music of the legendary Egyptian singer Oum Kalthoum. Enjoy her timeless songs anytime, anywhere.


Learn guitar, bass, or ukulele fretboards visually. Instantly find notes, visualize chords, and explore scales in any key or tuning. Offers a distraction-free learning experience with clear diagrams and audio playback.


This app provides a virtual turntable experience for mixing, remixing, and scratching music. It offers advanced features like stable sync, customizable pitch, and various sound effects, making it suitable for both novice and professional DJs.


This application provides precise instrument tuning with a clear visual display. It shows octave and frequency, and allows users to switch between sharp or flat symbols. Users can also toggle the visualizer and change the theme.


This app uses AI to remove vocals and instruments from songs and videos. It also allows for audio extraction, conversion between formats, and precise audio trimming. Create karaoke tracks, remix music, and edit audio files with ease.


This professional audio plugin enhances and excites sound, adding depth and sparkle for a studio-quality finish. It processes microphone input in real-time and can be used as an AUv3 plugin in compatible music production apps.


This app accurately simulates vintage digital processing and recreates digital imperfections for audio tracks. It offers advanced bit crushing, resampling, and noise generation, with real-time visualization of introduced errors. It's ideal for creating retro digital sounds or shaping audio beyond analog simulation.


This audio effect app emulates the warm, rich sound of vintage analog tape machines using AI. It allows users to add organic saturation, harmonic richness, and nonlinear magic to any audio source, offering extensive control over saturation levels, parallel processing, and frequency shaping.