Massplanner or Gramdominator ? Which one is best for Instagram ?

Hi,

I am using Massplanner ( please don't comment like "massplanner not working anymore" ) and managing Few Instagram,Twitter and Pinterest accounts,but Massplanner is costly now and most of my earning is spending for the renewal of Massplanner each month :) So I am thinking about moving to Gramdominator because it seems less costly.

Do you have any experience with Gramdominator or Twidominator?

Thank you,