Dear sir,
I just converted 5 iOS application from swift 2.3 to 3.0 for Taxi Japan company. All of them are big project. I have strong experience. Let me help you fix this project in 1 day.
example
[login to view URL]キッズタクシー/id1089823092?ls=1&mt=8
[login to view URL]
I converted your app to swift 3. Please check video. [login to view URL]
Best Regards,
dungnv