Apps like RTA Audio Analyzer

Here are some great alternatives to RTA Audio Analyzer by RadonSoft :
Spectrum Analyser
Spectrum Analyser
★4.3
Audio Analyzer
Audio Analyzer
★4.4
Sound Spectrum Analyzer
Sound Spectrum Analyzer
★4.6
Sound level meter
Sound level meter
★3.8
Sound Spectrum Pro
Sound Spectrum Pro
★4.6
Spectrum Analyzer - Audio
Spectrum Analyzer - Audio
★3.8
Impulse Response
Impulse Response
★4.3
Speccy Spectrum Analyzer
Speccy Spectrum Analyzer
★4.5
Audio Test
Audio Test
★4.1
Sound Frequency Analyzer
Sound Frequency Analyzer
★3.3
Sound Level Meter
Sound Level Meter
★4.0
AudioTool
AudioTool
★4.6
SPL and Spectrum Analyser
SPL and Spectrum Analyser
★4.0
Sound Analyzer Basic
Sound Analyzer Basic
★4.1
Sound Analyzer
Sound Analyzer
★4.1
Hearing Test
Hearing Test
★4.8