Aurora Nowcast vs Aurora Compass

This app detects and notify you when there are polar lights near you. Aurora Nowcast have three nowcast features: • Notifications when it is likely to see the aurora near you - based on actual measurements from a nearby station. This feature is possible if you live in Greenland, Faroe Islands or Denmark. • A local aurora model over Greenland, visible on a map when the magnetic field is active, based on the same measurements as the notification feature. • A global aurora model, visible on a map, based on a magnetic index. Additionally, the app guides you through different aspects of the phenomena, authored by experts and boosted with illustrations. Aurora Nowcast let you discover, experience and explore the mystic phenomena Aurora. The app supports Greenlandic, Faroes, English, Danish and Swedish.

Aurora Compass is a free aurora and space weather forecast app with no ads or paywalls. With it, you'll get all the data you need to catch the northern or southern lights in a layout that’s simple for beginners, yet detailed for experienced aurora chasers. The main features include: • Aurora alert notifications with cloudiness filter • Near real-time geomagnetic activity from over 110 magnetometers • Aurora forecast map with observation sharing tool • Current and forecasted aurora probability in your location • Solar image animation with x-ray chart and solar regions • WSA-Enlil solar wind forecast animation • Darkness tool to see when it'll be dark • Moon rise, set and phase information • Cloudiness forecast • Solar wind charts • Kp forecasts • Color theme for people with red-green colorblindness