Best Dark Sky Meter Apps

Light Pollution Map - Dark Sky

Astronomy tools & more

Free

Discover optimal locations for stargazing and astrophotography with a detailed light pollution map. Get real-time alerts for celestial events like meteor showers and auroras, track the ISS, and access daily astronomy photos. Enhance your night sky observations with comprehensive tools and information.

Light Meter LM-3000

Simple & accurate measurement!

Free

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

Wander: Dark Sky Companion

Plan your perfect night sky

Free

This app helps you find clear nights for stargazing by predicting sky conditions and identifying dark sky locations. It details celestial events, meteor showers, and aurora forecasts, and includes a red filter mode to preserve night vision.

Illuminati Meter

Wireless light and color meter

Free

This app connects to a wireless light and color meter via Bluetooth, displaying exposure, color temperature, and other light data on your smartphone. It helps photographers and videographers set accurate exposure and white balance for various camera types and lighting conditions.

The Weather Channel - Radar

Storm Alerts, Lightning, Rain

Free

Get accurate daily and hourly weather forecasts, including severe storm alerts and air quality index. Plan up to 15 days in advance with personalized weather tracking and live radar maps.

iCSC: Clear Sky Chart Viewer

Astronomy forecasts for all

Free

This app provides detailed 48-hour sky forecasts for astronomical observation. It helps users find optimal locations and times for clear, dark skies by displaying data on cloud cover, transparency, and more. Save your favorite charts for quick access.

LUX Meter - Light Meter

Illuminance for photo & plants

Free

This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.