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Solar Sphere

Pulsely Consulting

App Store★ 4.1FreeFirst seen 24 Oct 2026

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App info

Category: Productivity
Age rating: 17+
Price: Free
Version: 1.2
Released: May 27, 2015
Last updated: 9 Dec 2016
Size: 2.9 MB
Requires: iOS 9.0 or later
Languages: 1

4.17 ratings

★★★★★

Average rating on the App Store. Apple doesn't publish how many ratings each star has.

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What's newin version 1.2

Updated for iOS 10 and watchOS 3. Apple Watch users should upgrade to watchOS.

About this app

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The Solar Sphere provides current value of Kp-index derived from the NOAA Space Weather Prediction Center using data from multiple ground-based magnetometers. Also, current solar images are available in 4 different high resolution formats. The Kp-index quantifies solar disturbances in the horizontal component of earth's magnetic field with an integer in the range 0-9 with 1 being calm and 5 or more indicating a geomagnetic storm. For drone flyers, please only fly on solar KP Index less than 5.