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Midjourney completed the acquisition of Co-Star months before the July 24 announcement; financial terms were not disclosed.
Bloomberg reported Co-Star has 4.3 million monthly users, while Banu Guler said the app reached 35 percent of young people in the US with tens of millions of downloads.
Guler will keep full control of Co-Star and take on the new role of chief design officer, helping Midjourney build its first consumer apps.
A Gallup survey showed excitement among 14- to 29-year-olds dropped 14 points to 22%, while anger increased nine points to 31%.
Pew data shows 43% of women aged 18-49 believe astrology is real, compared with 20% of men the same age; 31% of those without a college degree believe versus 20% of graduates.
Midjourney has purchased the personalized astrology app Co-Star, the company confirmed on July 24. The deal closed in the spring, though financial terms were not disclosed. Co-Star founder Banu Guler will remain in control of the app and also join Midjourney as its chief design officer, a new role at the company.
“I respect her insights immensely and am excited to have an opportunity to have her and her amazing team join Midjourney to help build a broader organization around Product and Design. Co-Star itself is a wonderful project, and it will remain entirely under Banu's control and direction. But now she will have radically expanded resources and teams to help us going forward on all of our projects.”
The astrology app delivers daily horoscopes and compatibility checks by combining human insight, NASA data, and AI. Guler said Co-Star has reached 35 percent of young people in the US, with tens of millions of app downloads. Bloomberg reported the app has about 4.3 million monthly active users.
“Computers can be tools that reveal our humanity to ourselves. Tools that show you what you mean, how you feel, what you're imagining, before you can articulate it yourself.”
The acquisition marks a step beyond Midjourney's web and Discord-based image tools. With Guler's team, the company plans to build its first consumer apps, including a dedicated image-generation application. In June, Midjourney launched a health division to develop a full-body ultrasonic scanner.
Midjourney's move into an app beloved by younger users comes as Gen Z grows cooler toward generative AI. A Gallup survey from April 2026 found that excitement among 14- to 29-year-olds fell 14 percentage points to 22 percent, hopefulness dropped nine points to 18 percent, and anger rose nine points to 31 percent compared to earlier readings.
Data from the article text
Astrology belief in the US, drawn from Pew Research, sits at 27 percent among adults. The gender split is wide: 43 percent of women aged 18 to 49 say astrology is real, against 20 percent of men in the same bracket. Education also divides the audience, with 31 percent of those without a college degree believing, versus 20 percent of college graduates.
Data from the article text
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The AI startup behind popular image and video tools is purchasing the horoscope app with 4.3 million monthly users, bringing on founder Banu Guler as the company's first chief design officer.
AI text based on reports by engadget, The Verge and Gizmodo. Published .