Krabbl.io is described as 'online drawing game that you can play with your friends. It currently supports English and Dutch, but more languages are on their way!'. There are nine games similar to Krabbl.io for Online / Web-based, Android, iPhone, iPad and Android Tablet. The best alternative is skribbl, which is free. Other Krabbl.io like games are gartic.io (Free), Drawasaurus (Free), Draw Something! (Freemium) and Drawize - Draw and Guess (Free).
Drawasaurus is a drawing & guessing game for your phone and PC. Do your best to draw the word you are given while players from around the world try to guess it! •Avoid drawing words and letters. •Be polite and have fun!
Multiplayer online drawing game where you can guess what others are drawing and then draw for the others as well. There are Themed rooms - Each room has its own theme, words and drawings should respect the theme.