iChess - Chess puzzles by Asim Pereira

Chess puzzles are an ideal way to practice without having to find an opponent or spend time playing an actual game
Chess puzzles are an ideal way to practice without having to find an opponent or spend time playing an actual game. iChess presents 1000 offline puzzles from real FIDE tournament games. Just launch and start solving!

Chess Puzzles - iChess

I'm on an Android device, and I want to play chess with friends who use iOS. What app(s) would you recommend? - Quora

Chess Puzzles - iChess

iChess - Chess puzzles App Price Intelligence by Qonversion

Asim Pereira Which chess app?

Chess worksheet by Diogenes Souza

Chess Puzzles - iChess

Asim Pereira - Awesome Tactics of Anand & Carlsen, PDF, Chess

Asim Pereira - Tactics in The Endgame (2013), PDF, Chess