Spectroid does not have an internal export button (by design), but Android’s native screenshot works perfectly:
Tapping a manual entry (e.g., “FFT Size”) overlays a temporary arrow/tooltip on the actual Spectroid UI, showing exactly where that setting lives. spectroid user manual
The quality of your data is only as good as your microphone. For critical work (room correction, loudspeaker testing), invest in an external flat-response USB mic. For casual use – finding a squeaky fan, tuning a drum, or teaching physics – your phone’s built-in mic and Spectroid are all you need. Spectroid does not have an internal export button
This setting helps you look at very low frequencies (bass) with higher precision by reducing the sampling rate of the analyzed data. tuning a drum