Cross-platform development is one of the most preferred development approaches used by developers worldwide. Some experts believe that Flutter is the future of mobile application development, while others believe React Native is a more mature and reliable framework.
To know more about both frameworks, read the detailed blog.
https://morioh.com/p/f904c5109779?f=5ffd1fca1ed6632fcd35b484 Then, you can choose Flutter or React Native mobile framework as per the complexity of your project and other business requirements.