You can get stuff done but ...
… but it’s stil just an upsell for the paid version. Now as far as I see it has the same features as the full version but you can only export 10 seconds of audio. Which is OK provided you just want to record stuff and not share it with other people. The app can save the whole track in its native data format but if you want to write MP3 or something like that you’ll need to pay for the full version.
It’s enough to play around with but nothing in life is free I guess.
Frankomator about Boson Express