✔ Swift, Objective-C
✔ Interaction with backend - Restful, JSON, XML
✔ Databases - Sqlite
✔ Chat - Firebase
✔ In-App Purchase, Advertisement, Push Notifications
✔ Stripe, Braintree, SquareUp Payment Integration
✔ Cocoa-pods
✔ Autolayout
✔ Deployment
✔ SDK Development
