- Swift, Objective-C, SwiftUI

- MVC, MVP, MVVM, VIPER, CleanSwift

- Facebook login, Google login, Twitter login, Apple login, Instagram login

- Google Map, Mapbox, Mapkit, Uber Map

- Realm, CoreData, SQLite, SQL

- Payment gateways integrations (Stripe, RazorPay, Google Pay, UPI, Telr, Apple Pay using in-build methods, etc)

- Home Screen Widgets

- Firebase (Authentication, Realtime Database, Storage, Analytics, Cloud Messaging, etc)

- Slack, JIRA, Teamwork, Trello, Github, Bit-Bucket, Discord, etc

- Integrating third party libraries as per the requirement