Lumen Track

Ever wondered how sunlight affects your mood? Lumen Track lets you log your daily light exposure activities and rate how you feel throughout the day.

Record time spent outdoors, in bright indoor lighting, using screens, or in dim environments. Then rate your mood and add optional notes. Over time the app shows you the correlation between your light habits and emotional state.

Weekly and monthly trend charts give you a clear picture. Simple statistics dashboard keeps track of your streaks and averages. Set reminders so you never forget to log.

Works completely offline. Everything stored on your phone.