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Astronomy apps

Stargazing apps built for the field.
Powered by Apex.

ApexSKY for tonight’s conditions, aurora alerts, ISS passes, and deep-sky planning. ApexHUD for the planetarium view and your telescope session. One sign-in keeps your plans, achievements, and membership in sync across apps and your SkiesLIVE account.

Apex astronomy apps

ApexSKY & ApexHUD — two apps, one sky

Available · beta

ApexSKY

Stargazing app for tonight’s sky — aurora forecast and space weather, ISS passes, Best Targets, deep-sky planning, and member updates. Free, ad-free core experience.

Coming soon

ApexHUD

Planetarium and telescope app — session planning, star charts, telescope workflows, and observation logs synced with ApexSKY.

FAQ

ApexASTRO & the Apex apps

What is ApexASTRO?
ApexASTRO is the official site for SKIESLIVE LLC’s Apex astronomy apps at apexastro.app — ApexSKY and ApexHUD. Use one SkiesLIVE account for apps, web, and membership.
Is ApexSKY free?
Yes — the core ApexSKY stargazing experience is free and ad-free. Optional membership on skieslive.com unlocks additional features.
How do ApexSKY and ApexHUD work together?
Plan targets and check conditions in ApexSKY, then run the session in ApexHUD’s planetarium and telescope tools. Plans and logs sync through your account.

Connected platform

One account across apps and web

Preferences, target plans, achievements, membership, and support tickets sync through the SkiesLIVE API — save in the app, pick up on the web, and vice versa.