When developing a Flutter app, costs can vary based on several factors including the complexity of the app, the development team's expertise, and the time required to complete the project.
For a basic Flutter app, costs can range from $5,000 to $15,000. More complex apps with advanced features can cost between $15,000 and $50,000 or more.
Read more: https://appinventiv.com/blog/f....lutter-app-developme