3 major pro features then standard version.
MCA Pro contains all features of MCA standard version with following pro features:
1. Headphone Jack Tool - Let your phone can decode from headphone jack. The input is no need to be a microphone.
2. Support sampling rate up to 192000 Hz
3. Support plugin - Import your code as the input/output of encode/decode. Doing whatever usage you want.
And, no Ads, of course.
More details: https://morsecodeagent.com/viewtopic.php?f=6&t=16