The best alternatives to ColorSkill are Blocky Fills, ColorRun, and Tileshade. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of ColorSkill?
AssemblyAI— Multilingual Speech-to-Text API with superhuman accuracy
🎮 A simple, beautiful & relaxing game for the iPhone. The goal is to fill a board's tiles with one color by picking the neighbouring colors until it's complete. Enjoy this free game and let me know what you think of it
Tileshade is a game about colours that is made with colours. Enjoy the meditation-like relaxing experience while improving your ability to quickly find different shade colours.