Apps like Spectral Audio Analyzer

Here are some great alternatives to Spectral Audio Analyzer by RadonSoft :
AudioTool
AudioTool
★4.7
AudioUtil Audio Analysis Tools
AudioUtil Audio Analysis Tools
★3.9
Spectrum Analyser
Spectrum Analyser
★4.2
Song Meter Touch Recorder
Song Meter Touch Recorder
★3.7
AudioUtil Audio Analysis Tools
AudioUtil Audio Analysis Tools
★3.3
Audio Frequency Counter
Audio Frequency Counter
★4.2
Sound Analyzer App
Sound Analyzer App
★4.3
SmarterSound - Sound analyzer
SmarterSound - Sound analyzer
★4.4
SpecStream Audio Spectrum Plot
SpecStream Audio Spectrum Plot
★3.7
Voice Tools
Voice Tools
★4.6
Speccy Spectrum Analyzer
Speccy Spectrum Analyzer
★4.5
Sound Analyzer Basic
Sound Analyzer Basic
★4.2
Sound Analyzer
Sound Analyzer
★4.0
Audio Analyzer
Audio Analyzer
★4.4
SPL and Spectrum Analyser
SPL and Spectrum Analyser
★4.2
mr spectra
mr spectra
★4.4