Starglow Pro

Forecasts five days out, seeing and transparency, the darkest skies near you, and the night sky over the real skyline from anywhere you'll stand.

What's included

Everything in the free app, plus:

5-day forecasts: Sky conditions up to five days ahead, not just the next 48 hours.
Seeing & transparency: How steady and how clear the air will be, hour by hour.
Forecast confidence: How many of six weather models agree on clear skies.
Dark site finder: Light pollution around you and the darkest skies nearby tonight.
Best location tonight: Your saved places ranked by tonight's cloud and darkness.
3D map: Terrain and buildings, with the Moon at its true size and phase.
Vantage Point: Stand anywhere on the map and see the Moon, stars and ISS over the real skyline.
Star trails: Plan a long exposure: every star's trail over the real skyline.
ISS passes in AR: See a pass's path across your sky and follow the station live.
Clear night alerts: A heads-up when a clear, dark night is on the way.
Widgets: Sky Conditions and Night Outlook on your Home and Lock Screen.
Saved locations: Name and keep up to 10 favourite observing spots.
Recent locations: Places you've picked, saved for a quick return.
Family Sharing: Share Pro with up to five family members.

The forecast, the Moon map and alerts cost nothing.

48-hour sky forecast: Cloud cover, visibility and conditions, hour by hour.
Moon map & AR: The Moon's direction and path, on the map and through your camera.
Alerts: Dark skies, moonrise and moonset, new and full Moon, ISS passes.
Siri & Shortcuts: Tonight's sky, the Moon phase and the next ISS pass.
Red night mode: Keeps the screen red to protect your night vision.
Sun & moon times: Rise, set and moon phase for any night.

Pro is bought in the app, through the App Store.

01
Download Starglow from the App Store. It’s free.
02
Open Settings and tap Starglow Pro.
03
Choose monthly, yearly or a one-time lifetime purchase. Family Sharing is included.

Download Starglow and start Pro from inside the app.

Available on iPhone, iPad, Apple Watch & Apple Vision Pro.