From what I’ve seen, most US-based teams offer end-to-end support when it comes to building cross-platform apps.
They usually start with planning and UI/UX design, making sure the app looks and works well on both iOS and Android devices.
Then comes development using frameworks like Flutter or React Native, which allows them to build apps for multiple platforms from a single codebase.
They also handle backend work, including APIs, databases, and user management systems, so everything runs smoothly behind the scenes.
Testing is another key part. They check performance across different devices and fix bugs before launch.
After release, many companies continue with updates, maintenance, and adding new features over time.
In general, these cross platform app development services cover everything from initial idea to launch and ongoing support.