What this project is
Software is scoped as a slice you can approve: access, the main workflows and the reports the business uses. A mobile app is scoped the same way, on native iOS and Android, Flutter or React Native, with the screens, accounts and store release agreed before build. Integrations are named before build starts, so a later connection is a change rather than a surprise.
You buy the outcome. Hire Freelancer assembles the skills, manages the handovers and checks the result before it is called done. The commercial shape is on the pricing page.