Feel proud if you have some of these apps in your mobile phone (and make sure you use it). Do you have these apps in your phone for Coding and Technical Skills Practice? Algorithm and Data Structure Practice: LeetCode, HackerRank, Codewars, TopCoder, CodeSignal Mobile-Coding and On-the-Go Practice: SoloLearn, Dcoder, Programming Hub, Enki Interactive and Structured Learning: freeCodeCamp, Codecademy, Khan Academy, The Odin Project Advanced Topics (System Design, Interview Prep): AlgoExpert, System Design Primer, Interviewing.io Gamified Coding: CodeCombat, Scratch, CheckiO, Tynker Coding in Various Languages: Replit, Pydroid 3, AIDE Best Apps for App Development: Swift Playgrounds (iOS), Codea (iOS), Pyro (iOS), AIDE - IDE for Android (Android), Sketchware (Android), Dcoder (iOS/Android), Flutter (Dart) (iOS/Android), Xamarin (Android/iOS) Deep Learning & Neural Networks Apps: Deep Learning Studio (iOS/Android), AI Dungeon (iOS/Android) General AI and ML Learning ...