how to refund avatarify app subscription

I am install avatarify app in 27 March 21 on my phone this is free for 7 days after that subscription automatically renewed until cancel for a one-year subscription cost is 2999 which is today deducted from my account But I not want this subscription I miss cancellation in trail period so how to I refund please help

[Image Edited by Moderator to Remove Personal Information]