No update cubasis 3

Cubasis 3
Very upset
after two months no update
It is just useless
I wasted approx two months to getting bugs and bugs
I am again on cubasis 2
Should I claim for Refund in Apple store
I wrote many email but no reply

Hi Divesh,

Thank you for your message.
We are sorry to read that you’re unsatisfied with Cubasis 3 as of yet.

Cubasis 3.0.1 is in the works and will address many user-reported issues.
The app version has reached release candidate status, and is planned to be publicly released soon.

Please be patient, it should not take too long from here.

Best wishes,