Time management is important for your personal life and career success. But we do not control our time effectively and waste even time. We needs for another ways to manage time, so that’s why SmartDongSchool Timer was created. SmartDongSchool Timer is a simple time tracker and analyzer for all your time management needs. It’s a productivity app and a self-improvement tool. And you can use it for free without ads! Here are some features of this app: 1. Stopwatch and countdown Timer at once. 2