• A professional astronomy tool.
    Version 2 now available

  • Millions of stars in the palm of your hand.
    Download for free.

  • Made by astronomers.

    Astronomy courses for everyone.
    Download for free.


Starmap can be expanded at will, matching the needs of everyone from casual users to advanced astronomers.

Solar System

All planets. Close satellites views.
All known comets.
Up to 500 000 asteroids.
Dwarf planets.
Meteors showers with calendars.
All Earth artificial satellites.
Moon map.
3D model of the universe.


Up to 2 500 000 stars onboard.
900 Million stars in total.
8900 stars with extended description.
Up to magnitude 20.
Full SAO, HD, Hipparcos and Tycho 2.
Double stars.
1300 WDS Entries with diagrams.
Artist views.

Deep Sky

110 Messier
New General Catalog
300 Abell galaxy clusters
SH-2, van der Bergh, Lynds, Sharpless, Barnard
3D location in the universe.


Compass support.
Retina support.
Telescope control.
Eyepiece view.
Map themes. Night vision.
Simbad search.
Tonight's best objects.
Time animation.
Automatic Web updates.
Telescope Control.

Team awards

  • Hot Product 2014 - Sky & Telescope
  • 2012 Star Product- Astronomy Magazine
  • Hot Product 2010 - Sky & Telescope


We are here to help you. More answers to questions here.

How do I transfer the App to another device ?

Use the Restore function, at the bottom of the item list, in the Downloads section. The same applies when you want to get your previous purchases back on the same device.

Where is the doc ?


Is there an Android version ?


And none is foreseen.

I have trouble installing or reinstalling the App.

For all distribution issues, please refer to the Apple's™ help page.

where are you ?









Contact Us

We are always pleased to receive messages from real people.

Get in Touch


Behind Starmap, there is a team of programmers and astronomers who will always be there to answer your questions and collect your requests. English, French, Spanish, German, we are an international team. Before asking a question, we kindly request that you read the FAQs.

Also, when contacting us for an issue with the App, please mention your device kind and system version.

Finally, if you have some trouble installing, re-installing the App, after a crash or an update, you have to know there is not much thing we can do as developpers. This is all in the AppStore's hands. Delete the app and re-install it. And you will never have to pay for it again.