Sky Tonight - Star Gazer Guide 4+

Constellation Star Finder Map

Vito Technology Inc.

Designed for iPad

    • Free
    • Offers In-App Purchases



SKY TONIGHT is a brand-new astronomical app for exploring the sky. It helps stargazers answer the three most common questions:

⁕ What is that bright dot in the sky?
⁕ What astronomical events can I see tonight?
⁕ How can I find the object I'm interested in?

Made by the developers of Star Walk apps, Sky Tonight is a customizable stargazing tool, that is designed for users with different needs and wants. You can adjust the constellation's appearance, set a reminder for any space body configuration, explore the unique relative to observer trajectory, set up a magnitude limit to filter out space objects, and much more.


► Point your device at the sky to see the real-time positions of space objects on the interactive sky map.
► Activate the Time Machine and determine the position of celestial bodies at different time periods.
► Use the augmented reality mode and see the sky map overlaid on the image from your device's camera.
► Get extended information about any sky object by tapping on its name.
► Stay updated on the latest news from the world of astronomy with the What's new section.
► Turn on the night mode to make your sky observation in the nighttime more comfortable.
► Filter the objects that appear on the sky map according to their visual brightness.
► Regulate the brightness of objects on the sky map.
► Spot dozens of asterisms along with the official constellations.
► Adjust the visible constellations and customize their representation on the screen.


Instead of the classic trajectory that shows the object’s trajectory in the celestial sphere relative to the Earth’s center, the app presents the object’s trajectory in the sky relative to an observer. A long touch on the trajectories relative to the observer will move the sky object to the selected point. While holding the touch, move your finger along the trajectory to change the time.

Make use of the flexible search — quickly find space objects, easily navigate across different objects and events’ types. Look for "stars", "mars moons", "mars conjunctions", "solar eclipse", and the app will show you all related objects, events, and articles!
There are also Trending and Recent categories in the search section. The first one presents the currently most popular objects, events, or news; the second category contains objects you recently selected.

Set event reminders on any time and date not to miss a solar eclipse, a Full Moon, or a star-planet configuration you're interested in.

Check out the calendar of celestial events that includes lunar phases, meteor showers, eclipses, oppositions, conjunctions, and other exciting events. Learn what astronomy events will occur this month or see what happened in the sky a year ago!
Verify the Stargazing Index calculated from a Moon phase, light pollution, cloudiness, and time when an object is visible. The higher this index is, the better the observation conditions are.

You don’t need several apps for your stargazing planning anymore; Sky Tonight contains all the info you need.

Premium Access:

* The app includes paid Premium Access. Get Premium Access to use Sky Tonight with no limits! Without the subscription, you can’t see most of the interface items in various sections such as Visible Tonight, Calendar, and Search. Therefore, you’re limited in planning and improving your observations. Premium Access will allow you to unlock all the interface items in any view and make the most of all the app’s features. Advertisements will also be removed not to interrupt your stargazing experience.

Privacy policy:
Terms of use:

What’s New

Version 1.5.0

To meet your (and our) expectations, we keep updating Sky Tonight. With this update, the following major features were added:

+ Landscape orientation — get the most out of your device’s screen.
+ Partial remake in the Calendar. There is now a 3D Moon model that reflects the true size of the Moon and the actual shadow position on it as seen from your location. We also added new control gestures.

We also added:

+ Automatic notification of object passes;
+ New DSO visualization modes;
+ Custom time zones;
+ Dynamic font size;
+ Wikipedia links for space objects;
+ Improved localizations.

Among minor updates, there are:

+ Updated constellations lines and objects names according to IAU;
+ New Twilights/Total Darkness calculation;
+ New Stargazing Index formula;
+ Influence of the Earth’s shadow on the calculation of visible satellite passes;
+ New Milky Way color in the Night Mode

+ Bug Fixes

Please take a moment to leave a review and let us know your opinion about the new update. We’ll also be happy to receive your ideas on how to make Sky Tonight even better. Feel free to contact us at with any questions, comments, or suggestions. Your feedback is highly appreciated!

Ratings and Reviews

4.8 out of 5
8.7K Ratings

8.7K Ratings



Man this app, so far is GREAT! And the subscription price is insanely cheap to boot! Been looking for one I liked for while now that I didn’t need a degree just to understand how to use it, etc, & at a price id be cost okay with. Also, I was actually wow’d by how I ended coming across this app, which was after got I read what info the app I was using had I saw something where could find out more about it. Link went right to it and a few sentences in, I literally stopped to see what app it was on, didn’t recognize it, so checked that it wasn’t already in by ‘queue’ of apps I download, rather than reading about, cuz besides how exhausting that gets, as I’m sure many of you can relate to by now IF you’re still reading my review, haha, anyway this app rocks. Plus couldn’t believe how cheap it is and just keep liking it more ‘n more.
Anyway, I think this app is great! Thank you!

IamMustache ,

Detailed and Thorough

this app is really amazing. the level of detail in each heavenly body is incredible! they have orbit trajectories, peaks in the horizon as a function of time, data about the stars and planets, size, distance, visual magnitude. It’s frankly overwhelming how detailed and well made this app is. On top of that, the augmented reality is extremely accurate and responsive and the constellations are artistic renditions that are fun and interesting while still allowing you to see the star formation and lines behind the art piece. just an incredible app overall and i recommend everyone download and just have fun with it for a few hours.

Developer Response ,

We are pleased that you enjoyed the app. If there is anything we can do for you, just let us know at!
Have a wonderful day!

Josh797534 ,

Pretty sweet.

Very nice touch to an evolving app but curious why I need to keep buying a new app instead of updating these features within star walk 1 and 2. A few suggestions- I wish the stargazing index would reference and show how it is being calculated, do you use CSC data? I would also love to see nebula or other DSO listed on the visible tonight list (as the settings ask for magnitude range I would love to see darker objects added). Add a setting to increase panning speed while searching, it’s too laggy. Don’t let these suggestions take away from the utility of this app. It’s been great, love the trajectory of selected objects with hourly tick marks! Makes it easy when I should go outside. Thanks!

Developer Response ,

Thanks for your ideas. We've already added DSO to the Visible Tonight list. Perhaps, your other suggestions will be also implemented in the future releases.

App Privacy

The developer, Vito Technology Inc., 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 Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers
  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Identifiers
  • Usage Data
  • Diagnostics

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


  • Family Sharing

    Some in‑app purchases, including subscriptions, may be shareable with your family group when Family Sharing is enabled.

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