Looking For An Afordable App Builder

Hello I am looking for someone to build an apt similar to the Soothe- In House Massage App. Please go and see the app so that we can discuss the options. I am not looking for something expensive as there are many free or little to no options for building app that i am aware of i just also wanted to inquiry on this forum. With that's said the app needs to be able to accept payments, book appointments have , location transmitter , also be able to have push notification ad's ...please contact me via chat to futher discuss