Apps like Audio Spectrum Monitor Pro

Here are some great alternatives to Audio Spectrum Monitor Pro by TadaoYamaoka :
Advanced Spectrum Analyzer PRO
Advanced Spectrum Analyzer PRO
★4.3
Spectrum Analyser
Spectrum Analyser
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Tuner for Voice VoiTUNER
Tuner for Voice VoiTUNER
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SpecStream Audio Spectrum Plot
SpecStream Audio Spectrum Plot
★3.9
Sound monitor FFTWave
Sound monitor FFTWave
★4.2
Sound View Spectrum Analyzer
Sound View Spectrum Analyzer
★4.0
Sound Analyzer
Sound Analyzer
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Sound Analyzer Basic
Sound Analyzer Basic
★4.1
Chromatic Tuner
Chromatic Tuner
★4.0
Spectroid
Spectroid
★4.7
NEMa - sound note/pitch matrix
NEMa - sound note/pitch matrix
★4.0
FrequenSee - Spectrum Analyzer
FrequenSee - Spectrum Analyzer
★4.2
AudioUtil Audio Analysis Tools
AudioUtil Audio Analysis Tools
★3.3
Oscilloscope - Sound Analyzer
Oscilloscope - Sound Analyzer
★4.2
CarlTune - Chromatic Tuner
CarlTune - Chromatic Tuner
★4.6
Tune!It
Tune!It
★4.7