
Description: Sudoku Easy to Hard Puzzles HD is a sudoku puzzle game app featuring a wide range of difficulty levels, from easy to hard. It has over 5,000 sudoku puzzles and a simple, intuitive interface.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Simple Sudoku is a free, open-source sudoku puzzle game. It has a basic interface that allows users to generate new puzzles with multiple difficulty levels and solve puzzles using typical sudoku rules.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API