Which is the best Android app for learning algorithms/tricks required for competitive coding?

Assuming you are using android phone*:

  • GeeksforGeeks
  • HackerEarth

Learning from web:

  • Algorithms - GeeksforGeeks
  • Notes on HackerEarth
  • Code Monk - Be a better programmer

Practicing:

  • CodeChef
  • TopCoder
  • Interviewbit
  • CodeFights
  • HackerRank
  • HackerEarth
  • LeetCode

Recently, I am very active on CodeFights and interviewbit.

CodeFights, addictive! You will increase your coding and thinking speed. But you won’t learn much on algorithms. But it …