Arcticlyn

Live Aurora Forecast & Alerts

Free · Designed for iPad. Not verified for macOS.

See the northern lights before you go outside. Arcticlyn combines live NOAA satellite data, Kp index, solar wind, and cloud cover into a single score — your aurora viewing probability for your location, updated in real time. OPTIMAL VIEWING WINDOW Arcticlyn calculates the hours most worth going outside by combining Kp forecast, astronomical darkness (nautical twilight -12°), and cloud cover into one clear answer. No guessing. No waiting up all night. WHAT YOU GET • Live Kp index and 24-hour aurora forecast • OVATION aurora probability for your location • Solar wind data: Bz, speed, and proton density • Cloud cover forecast for the next 12 hours • Darkness window based on true nautical twilight • Geomagnetic storm alerts • Moon phase and illumination FOR EVERY AURORA CHASER Iceland. Norway. Canada. Alaska. Finland. Wherever you are in the auroral zone, Arcticlyn helps you be outside at the right time. No jargon. No clutter. Just the answer to one question: "Is tonight worth it?" WHY ARCTICLYN Most aurora apps show a Kp number and leave the interpretation to you. Arcticlyn combines multiple live data sources into a single actionable forecast, helping you quickly understand your chances of seeing the aurora. Built from trusted space weather, atmospheric, and astronomical data sources, Arcticlyn turns complex conditions into one simple answer. Aurora borealis viewing has never been this precise.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Bug fixes and performance improvements.

Version 1.2

The developer, Dairon Romero, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Dairon Romero
    Size
    • 12.1 MB
    Category
    • Weather
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Arcticlyn. All rights reserved.
  • Developer Website
  • Privacy Policy

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