ADV Tennis review for Preorder Now Presale Timesact

I just started with this app and was able to get started pretty seamlessly. That's great in itself, but what really separates this app is the customer service. Andrei the founder jumped on an onboarding call with me to really help me understand best practices. He even make some customizations for me within a few hours! Great app and I'm sure there are more great things to come!