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Midjourney has acquired Co-Star, the personalized astrology and daily horoscope app, marking the AI image-generation company's most unexpected expansion yet — and raising real questions about where the platform is actually headed.
Midjourney announced the acquisition on Thursday, as reported by The Verge, with Bloomberg first breaking the news. Co-Star is a free iOS and Android app that generates personalized horoscopes using NASA data and, more recently, AI — letting users check daily readings and compare astrological compatibility with friends. It has attracted tens of millions of downloads since launching in 2017, building a loyal and largely young, female-skewing audience.
For a company whose core product is AI image generation, the move is jarring on its face. But Midjourney has been telegraphing broader ambitions for a while. The company has pushed into AI video generation and, more recently, into generating full-body ultrasound scans — a medical imaging application that has little obvious overlap with fantasy art or photorealistic portraits. Co-Star is the latest data point in a pattern: Midjourney is not content to be an image tool.
The strategic logic, while not spelled out publicly, likely comes down to two things: user data and consumer scale. Co-Star's users share detailed personal information — birth dates, times, locations, and relationship networks — and engage with the app daily. That kind of high-frequency, high-intimacy usage pattern is exactly what AI companion and personalization products are built on. Midjourney, by contrast, tends to attract creators who session in, generate images, and leave.
Bringing Co-Star's audience into Midjourney's orbit could let the company experiment with AI-driven personalization at a scale it simply doesn't have through its image platform alone. Whether that means astrology-themed image generation, AI companion features woven into Co-Star, or something else entirely hasn't been disclosed.
For creators currently using Midjourney's image and video generation tools, the near-term answer is probably: nothing changes yet. Midjourney's core generation capabilities are unlikely to be disrupted by absorbing a lifestyle app. But the acquisition does reinforce that Midjourney's long-term product roadmap is genuinely unpredictable — the company is clearly willing to move into territory that has no obvious connection to its current user base.
Midjourney is privately held and has never taken outside funding, which gives CEO David Holz unusual latitude to make acquisitions that don't have to satisfy institutional investors looking for a clean narrative. That independence has already produced a product portfolio that includes photorealistic image generation, cinematic video, and medical imaging — and now astrology.
The pattern looks less like a focused AI art company and more like an attempt to build a diversified AI consumer platform, with Midjourney's image engine as the best-known piece rather than the only piece. Whether that strategy produces something coherent — or dilutes what made Midjourney compelling to creators in the first place — is the real question the Co-Star deal puts on the table.
No financial terms for the acquisition were disclosed. Co-Star is expected to continue operating as a standalone app, at least initially.
