Co–Star Personalized Astrology

4.7
92.9K reviews
5M+
Downloads
Editors' Choice
Content rating
Teen
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About this app

Co–Star is the astrology app that deciphers the mystery of human relations through NASA data and biting truth. 2x App of the Day. Featured in the New York Times, Vogue, Vanity Fair, and more.

> "Good advice." New York Times
> "Banging astrology app." Dua Lipa
> "Connect with people about your astrology sign." Conor Oberst

Features
• Add friends to compare natal charts and see your compatibility.
• Read personalized daily horoscopes.
• Receive daily push notifications based on your horoscope for the day.
• Learn how to read your entire birth chart.

Premium Features
• See the full natal chart of somebody who doesn’t have the app.
• Get a complete personalized report on how you love and why.
• For couples, Eros, a feature that gives you insight on how to navigate everyday relationship situations based on your zodiac compatibility.

There are no bad zodiac signs, only complicated dynamics. Co–Star uses astrology as a framework for understanding ourselves and our relationships; a shortcut to real talk in a sea of small talk. We use NASA data to chart the exact location of the stars in real-time. This is then interpreted by real human astrologers who collaborate with AI technology to produce the birth chart and daily horoscopes you read in the app.

Follow us everywhere
• Instagram: https://www.instagram.com/costarastrology/
• Tiktok: https://www.tiktok.com/@costarastrology
• Twitter: https://twitter.com/costarastrology

Need help? Email us: horoscopes@costarastrology.com
We don't do creepy stuff with your data —> costarastrology.com/privacy
Terms —> https://www.costarastrology.com/terms
Updated on
Jun 17, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info, Messages and 3 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.7
91.7K reviews
Dave Sloboda
November 14, 2024
Over two years ago, I posted a review saying that it would be nice to finally get dark mode and the circular chart features on the Android version of this app. iOS has had those features for ages now, why not Android? And now, with this latest update... The UI on the app is even worse. The Home, Friends, and You navigation buttons are barely showing and are cut off. The top of the app is now going up into the notification section of my phone (Pixel 9 Pro). Terrible update.
73 people found this review helpful
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charlotte stuart
May 29, 2025
I have been a subscriber before with no problems, this time i subscribed to both $6.99 and the $9.99 and cant seem read or get past where i should. Really bummed. ya i just double checked, i paid you and total of $38 in 4 transactions. Still not recognized as a subscriber. Believe me I have emailed ten times over, you are backed up and take a month to respond. I want a refund. We never had access to subscription content the entire time. And to top it off one of us should of been free.
4 people found this review helpful
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Co–Star Astrology Society
May 6, 2025
Hi Charlotte, sorry to hear the app isn't working as it should! Please email us at horoscopes@costarastrology.com with your account details and screenshots of this issue so we can investigate further.
Amber Sergi
April 19, 2025
i mostly use the app for chaos mode. i like sending my partner little messages for them to get over the next few months. since the last update, though, it's also impossible to view chaos mode messages in the app. i get the notifications, but when you open the app, the button to actually view the message appears for half a second while the app is loading and then it's gone, which makes it very difficult to get screenshots of the messages.
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What’s new

To improve is to change. To be perfect is to change often. Update to the latest version to see bug fixes.