Spectrogram
Spectrogram Summary
Spectrogram is a mobile Android app in Music And Audio by ToneBoosters. Released in Oct 2021 (4 years ago). It has about 1.4K+ installs and 10 ratings with a 2.80★ (poor) average. Based on AppGoblin estimates, it reaches roughly 333 monthly active users . Store metadata: updated May 3, 2026.
Recent activity: 111 installs this week (424 over 4 weeks) showing steady growth View trends →
Store info: Last updated on Google Play on May 3, 2026 .
2.8★
Ratings: 10
Screenshots
App Description
Frequency analyzer
No ads. No trackers. Just free fun!
ToneBoosters Spectrogram visualizes the audio spectrum captured by your device's microphone in real time in a gorgeous and informative way. Choose between a spectrogram and a spectrum analyser, or show them simultaneously! Hover the screen to see keyboard notes, frequencies and levels. Select from dozens of colour schemes to customise the visuals.
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