How carry out A / B mobile app testing

You know how critical evaluation is when it comes to knowing how a product or service is going. You need to know that A / B research helps you know how to bring major improvements and what places need it most Through my thirty years on the digital marketing field, I've found that even Mobile App Developers Agency Arizona knows the value of carrying out the analysis. To learn their app's usability and quality, they run A / B testing. They track efficiency and come up with ideas to fix potential problems. Do you have any practical examples of related to this?