Good but extra charges

I wanted to vary playback speed this cost to extra. I wanted to boost the base so I bought the higher fidelity which didnt boost the base. I wanted to trim which costs extra. In the end I paid a little over $5 for the app. Dont know if that is a good deal
I wish I could vary speed in 1/4 increments.
I wish I could set tags so I could rewind and play segments for music practice or clarify speech by listening repeatedly to segments I define.

ESI-Larry about Voice Recorder HD, v9.3