This app uses your iPhone's camera to measure sky brightness, providing scientific readings for light pollution. Track measurements, compare sites, and plan stargazing with cloud forecasts and astronomical data.
1.0
February 23, 2026
Thanks, the manual has been updated. Both in app and on the public website!
Dark Sky Meter Pro uses your iPhone's camera to measure sky brightness, providing scientific readings like SQM and Bortle scale. It helps users track light pollution and compare different observation sites.
You point your iPhone's camera at the night sky. The app then takes readings, including a dark frame measurement by covering the lens, to calculate sky brightness in SQM and Bortle scale.
Yes, measurements can be saved locally and synced across devices with Sign in with Apple. You can also export your data to CSV for further analysis or sharing.
Yes, Dark Sky Meter Pro provides a simple cloud forecast for your location. This helps users plan their stargazing or astrophotography sessions effectively.
The app includes information such as sunrise, sunset, darkness window times, moon phase, moonrise, and moonset for your specific location.
Dark Sky Meter Pro is a paid application, priced at $4.99.
Dark Sky Meter Pro is designed for iPhone and iPod devices.
The app was last updated on February 23, 2026, with version 1.0. Future updates will depend on developer plans.
