BBC Sky at Night

iPhone planetarium apps

Our experts review the latest kit

Sky Guide

Price Free; All Constellations art & stories £1.79; Plus £17.99 per year, Pro £34.99 per year • OS minimum version requirement iOS 14.0 • Developer Fifth Star Labs • www.fifthstarlabs.comhttps://apps.apple.com/gb/app/sky-guide/id576588894

The latest iteration of the Sky Guide app, Version X, sees upgraded visualisations and lots of great background astronomy news. The night sky has more realism than ever, including beautifully rendered pre-dawn light, twilight and dusk, as it takes on a more accurate, practical look than before.

We’re not quite sure, however, how useful it is to point a smartphone at the daytime sky and only get information for the Sun (though you can toggle on and off the ‘stars fade during day’ option). Ditto for some fine but fanciful aurora effects, which can appear on

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