We are preparing a budget for a new Android shopping application, but different developers have provided very different estimates. I’m trying to understand what actually drives the price before comparing proposals. How much can factors such as the number of screens, integrations, authentication, payment functionality, backend work, design, testing, maintenance, and post-launch support affect the overall development budget for an ecommerce Android app?

Estimating the investment required for a custom mobile app requires evaluating feature complexity, security standards, and backend integration requirements. A simple catalog viewer costs significantly less than a fully custom application equipped with biometric authentication, dynamic cart synchronization, multiple payment gateways, and real-time order tracking. If you are analyzing how much does Android app development cost , review your requirements around native design, third-party SDK integrations, automated testing coverage, and post-launch maintenance to establish a realistic development budget.