HYKLE review for Sellerboard Profit Analytics

Useless support and constant bugs. I'm trying to fix a problem with shipping fees calculations for 2 weeks now. The support is useless, only replying with generic responses and links to "answers" that are not even close to my problem. I'm considering moving to alternative app as this is becoming a real pain in the a.. I'm paying this guys for Shopify and Amazon profit tracking, but it looks like will have to move to another service both.