For what it’s worth, I’ve been quite happy with iRig interfaces and Cubasis on my iPad. I’m no pro, but it is a cost effective set up and has a fair amount of DAW capabilities including a good amount of effects that you don’t get in garage band. Reverb, chorus, compression just to name a few of the typical effects folks use for acoustic and vocal recording.
It also has a lot of MIDI and sampled instruments and drums.
As for bass traps, I didn’t realize this is a fishing forum . . .
Dave
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