Lumen Track

Content rating
Everyone
1+
Downloads
Content rating
Everyone
Learn more
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About this app

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

Record time spent outdoors, indoors in bright light, using screens, or in low-light environments. Then, rate your mood and add optional notes. Over time, the app shows the correlation between your light exposure habits and your emotional state.

Weekly and monthly trend charts provide a clear overview. A simple statistics dashboard tracks your streaks and averages. Set reminders so you never forget to log.
Monitoring light exposure and mood
Updated on
Sep 2, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Device or other IDs
  • Data isn’t encrypted

What’s new

v1.0.0
Content rating
Everyone
Learn more

App support

Phone number
+48732098371
About the developer
DAVE MUSIC&DESIGN DAWID BUCHTA
pereireana1996@gmail.com
Ul. gen. Władysława Andersa 12-2 98-200 Sieradz Poland
+48 732 098 371

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