Level 1
Free
1 octave RTA · signal generator · oscilloscope · never expires
Checked 8 Oct 2026
Plans and prices
TrueRTA pricing
Level 2
$39.95, paid once
1/3 octave RTA · dBu metering
Checked 8 Oct 2026
Level 3
$69.95, paid once
1/6 octave RTA · crest factor metering · digitally generated sweep
Checked 8 Oct 2026
Level 4
$99.95, paid once
1/12 and 1/24 octave RTA · white noise source
Checked 8 Oct 2026