SudoSquad is a free competitive Sudoku app for iOS and Android, built around the idea that Sudoku can be both a personal puzzle and a shared sport. Players can solve alone, challenge friends in private Squad Rooms, or compete in Daily Challenges, Daily Arena events, and weekly or monthly series. Shared-puzzle modes give everyone the same blank grid, while live leaderboards and a prestige ranking system track performance across competitive solves.

The app offers five difficulty levels, from Easy to Diabolical, along with pencil notes, smart hints, and six symbol sets, including numbers, stars, Roman numerals, and nature icons. It supports English, German, French, Hindi, and Telugu. SudoSquad emphasizes puzzles generated and rated by solve time, with scoring based on factors such as speed, accuracy, difficulty, and game mode. Prestige tiers recognize players’ accumulated competitive history. The app is free to download, with no ads, paywalls, or pay-to-win features.