C

Co-Star

AI-powered natal astrology and social app

Brand Designer

Full-Time
No salary listed
Senior
Remote in USA
RemoteFully remote, anywhere. No travel required (optional NYC visits).
Art, Graphics & AnimationGraphic Design

About the job

Requirements
  • You are a senior individual contributor (IC) with roughly 5–8 years in experience, with a portfolio of expressive, culturally fluent graphic design including editorial, campaigns, identities across print and digital.
  • Typography and composition are your first language.
  • You can direct as well as execute: you've shaped campaigns, not just produced assets for them.
  • You're plugged into visual culture across art, fashion, publishing, music, and the internet.
  • You work well remotely and independently.
Responsibilities
  • Design campaign visuals: ads, social, launches — from concept through finished assets
  • Bring editorial design sensibility to owned channels: email/welcome series, blog, campaign imagery
  • Develop visual systems that are expressive rather than corporate
  • Partner with marketing on what earned and owned should look and feel like
  • Collaborate asynchronously with a small, fast-moving team
Desired Qualifications
  • Editorial/publication experience (print or digital magazines)
  • Motion or illustration
  • You already make things with generative tools

About the company

Co-Star is a mobile app that delivers highly personalized daily horoscopes by building a full natal chart from a user’s exact birth data and combining NASA planetary positions with insights from human astrologers, processed through a proprietary AI engine. It updates daily with readings, offers personality analysis, and lets users connect with friends to compare compatibility, making astrology a social experience. In 2023 it launched The Void, an in-app feature that provides AI-generated answers to user questions based on their chart. The app uses a freemium model, offering premium chart readings and extended Q&A options, aimed at reducing loneliness by fostering daily reflection and connection through digital wellness and social networking around astrology.

Company Size

11-50

Company Stage

Series A

Total Funding

$21M

Headquarters

New York City, New York

Founded

2017

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Simplify's Take

What believers are saying

  • Midjourney's 2026 purchase gives Co-Star stronger capital and distribution.
  • Guler retained control and became Midjourney's Chief Design Officer on July 24, 2026.
  • The acquisition validates Co-Star's brand, design, and consumer engagement at scale.

What critics are saying

  • Midjourney acquired Co-Star in spring 2026, ending its independence.
  • Integration into Midjourney can deprioritize Co-Star if image products outrank astrology.
  • Freemium astrology faces churn risk once novelty fades and paid conversions stall.

What makes Co-Star unique

  • Banu Guler built Co-Star around hyper-personalized natal charts and social sharing.
  • The app blended human astrologers, AI, and NASA ephemeris data.
  • Co-Star reached 4.3 million monthly active users before Midjourney's 2026 acquisition.

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Benefits

  • Health Insurance
  • Vision Insurance
  • Dental Insurance
  • 401(k) Retirement Plan
  • 401(k) Company Match
  • Unlimited Paid Time Off
  • Paid Vacation
  • Parental Leave
  • Stock Options
  • Equity Grants
  • Wellness Program
  • Mental Health Support

Growth & Insights and Company News

Headcount

6 month growth

2%

1 year growth

-2%

2 year growth

0%
TechCrunch
Jul 24th, 2026
Midjourney acquired the astrology app Co-Star.

Midjourney acquired the astrology app Co-Star. Midjourney, an AI lab best known for its LLM-powered image and video generators, has acquired the social astrology app Co-Star, according to Bloomberg. The deal terms were not disclosed. Co-Star, which reportedly has about 4.3 million monthly active users, is mostly used to help people determine their astrological birth charts, which they can then share with other friends on the app. Co-Star uses both AI and humans to write horoscopes, compatibility assessments, and other advice based on a user's astrological information. Midjourney seems to be casting a wide net when it comes its product lineup. The company seems almost synonymous with the Discord server where users can generate text and images - there is no stand-alone Midjourney app - yet the AI lab is also trying to build a medical arm and spa. Why not throw an astrology app in the mix? Co-Star's team of two dozen employees has joined Midjourney as part of the acquisition. Given the team's experience in building consumer apps, Midjourney could perhaps finally get its own stand-alone app. October 13 - 15 San Francisco Scale faster. Grow your portfolio. Gain practical expertise. No matter your goal, Disrupt can empower you. Save up to $330 today!

Bloomberg
Jul 24th, 2026
AI startup Midjourney acquires astrology app Co-Star, plans first standalone image app

Midjourney has acquired astrology app Co-Star and is developing its first standalone image-generation application. The artificial intelligence startup's moves represent its latest push into new business areas following an announcement last month about ambitious expansion plans. The acquisition of the popular astrology app marks a significant diversification for Midjourney, which has primarily focused on AI-powered image generation. Details about the acquisition terms were not disclosed. The company is simultaneously working on its own image-generation app, expanding beyond its current offerings. These strategic developments signal Midjourney's broader ambitions to establish presence across multiple consumer-facing product categories.

Reporter.am
Apr 6th, 2025
J-Star Holding Co. Ltd. $6M IPO

J-Star Holding Co., Ltd. (YMAT) plans to raise $6 million in an IPO the week of April 14th, issuing 1.3 million shares at $4.00-$5.00 each. The company, with a market cap of $76.6 million, generated $18 million in revenue and $1.9 million in net income over the past year. Maxim Group is the underwriter. The IPO size was reduced to 1.25 million shares to raise $5.63 million, with Maxim Group as the sole book-runner, replacing EF Hutton.

Bustle
May 23rd, 2023
The Co-Star Astrology App Has A New AI-Powered Feature

Astrology app Co-Star launched a new in-app AI feature that allows you to ask the stars personalized questions and it will provide answers based on your birth chart.