Convert Website to Mobile App

I need my website, captainsofdestin.com, transformed into an app for both iOS and Android platforms.

Essential Features:
- User login
- Save availability on calendars for each day and month

New Feature:
- Push notifications

Ideal Skills & Experience:
- Mobile app development for iOS and Android
- Experience with user authentication and calendar integrations
- Ability to implement push notifications
- Familiarity with existing web technologies used on captainsofdestin.com

Please provide examples of similar work.