When you add a map that shows the real-time location to the users, users often feel secure and may decide to trust you more.
Flutter is one of the best choices to supercharge your transport as you can easily make an Android or an iOS app where you can integrate maps with your app.
Choose a Maps Provider
Set up API Key/Access Token
Add Dependencies
Configure Permissions
Initialize Map
Implement Map Functionality
Test and Debug
And in case you feel it is better to get it made by someone else. you can always hire flutter developers online