Timeshifter is a science-backed technology company that develops circadian apps to help users reduce jet lag, manage shift work schedules, and optimize sleep, alertness, health, and performance. The app provides personalized circadian advice based on individual chronotypes, shift patterns, and commutes, using light exposure, caffeine timing, and melatonin guidance. It leverages circadian neuroscience research, with its algorithms grounded in the same science used by NASA for astronauts and mission control. The platform is trusted by over 1.7 million users and serves both individuals and organizations seeking improved safety, productivity, and well-being.