Platform strategy comes first
Building natively for both iOS and Android means two codebases, two release processes and two sets of platform quirks. Cross-platform frameworks share most of that work at the cost of some platform fidelity. The decision typically moves the total by 30–60%.
The backend is where budgets break
Teams estimate screens and forget servers. Authentication, data storage, business logic, notifications, background jobs, environments and monitoring are all real engineering. An app with a genuinely advanced backend can spend more effort behind the API than in front of it.
Cost does not stop at launch
Apps need ongoing OS compatibility work, store policy compliance, SDK updates and crash triage. Budget for continuing investment rather than treating the launch build as the total cost.
- Annual OS releases regularly require compatibility work.
- Store policy changes can force updates on their own timeline.
- Backend running costs scale with active users.
Put a number on it
Use the matching calculator to produce a range for your own scope.
Open the App Development Cost Calculator