How to choose a contractor  You need about 5-6 people to make a mobile app: a project manager (PM), a UI/UX designer, 2-3 developers, and a QA engineer. Each one is required for app development services. There are few ways to build a team: hire in-house experts, contract freelancers, or go to a development agency. … Continue reading How long does it take to make an app and what development stages are there