One of the most important success points is caring about your customers and getting their rating day by day to improve your business according to their requirements and feedbacks, grow up your business with app, just put it on 7"~10" android device to check your customers feedback, it let you check charts for your performance and also customers comments in addition to customers contact numbers that let you get them back after your improvements.

for more details on this app https://www.brightery.com/en/product/brightery-customer-reaction