Co-Star vs AskNebula 2026 — Which Is Better?
Co-Star
Free / $2.99 - $9.99 in-app purchases
Free core features
AskNebula
Free / $9.99 - $19.99/month premium
Free basic features + trial of premium
Quick Verdict
Co-Star is the social astrology app that made astrology viral — built for sharing and comparing charts with friends. AskNebula is the multi-tool spiritual app combining astrology, tarot, numerology, and palm reading. Choose Co-Star for social astrology and friend compatibility. Choose AskNebula for a broader spiritual toolkit in one app.
Side-by-Side Overview
| Feature | Co-Star | AskNebula |
|---|---|---|
| Overall Rating | ||
| Founded | 2017 | 2019 |
| Headquarters | New York, NY, USA | Online (International) |
| Price Range | Free / $2.99 - $9.99 in-app purchases | Free / $9.99 - $19.99/month premium |
| Intro Offer | Free core features | Free basic features + trial of premium |
| Reading Types | 6 | 6 |
| Mobile App | ||
| Money-Back Guarantee | ||
| Communication | App, Website | App, Website |
Category-by-Category Breakdown
Reading Quality
25% of overall scoreCo-Star (6.5) and AskNebula (6.5) score identically on content quality. Co-Star uses AI for its readings with a distinctive, sometimes provocative voice that generates conversation. AskNebula also uses AI but covers more spiritual disciplines. Neither matches expert-authored content, but both deliver engaging personalized output.
Psychic Screening
20% of overall scoreCo-Star (5.5) is transparent about using AI and NASA data for its calculations, with a team that includes astrologers overseeing the content framework. AskNebula (5.0) also uses AI but is less transparent about its methodology. Neither relies on traditional astrological expertise.
Pricing & Value
20% of overall scoreBoth offer solid free tiers. Co-Star (7.5) and AskNebula (7.5) score identically. Co-Star's social features — chart sharing, friend compatibility — are free and are its main draw. AskNebula offers more tool variety in its free tier with tarot, palmistry, and numerology.
User Experience
15% of overall scoreAskNebula (9.5) has a polished, colorful mobile-first design with smooth interactions across its many features. Co-Star (9.0) has its iconic minimalist black-and-white aesthetic that is visually striking but can feel cold. AskNebula's warmer, more engaging design edges ahead.
Customer Support
10% of overall scoreAskNebula (6.5) provides standard app support with responsive email channels. Co-Star (6.0) has minimal support — the app's provocative push notifications sometimes generate complaints that go unanswered.
Privacy & Safety
10% of overall scoreAskNebula (7.5) follows standard app privacy practices. Co-Star (6.5) has faced scrutiny over its data collection practices, including collecting birth time data and social graph information from friend connections.
Full Score Comparison
| Category | Co-Star | AskNebula | Winner |
|---|---|---|---|
| Reading Quality | Tie | ||
| Psychic Screening | Co-Star | ||
| Pricing & Value | Tie | ||
| User Experience | AskNebula | ||
| Customer Support | AskNebula | ||
| Privacy & Safety | AskNebula | ||
| Overall | AskNebula |
Which Should You Choose?
Choose Co-Star if...
- You want to compare birth charts and compatibility with friends
- You enjoy the social aspect of astrology — sharing and discussing
- You like Co-Star's iconic minimalist aesthetic and provocative notifications
- You want an app your friends already use for easy chart sharing
Choose AskNebula if...
- You want astrology, tarot, numerology, and palm reading in one app
- You prefer a warmer, more colorful design over stark minimalism
- You want AI-powered spiritual tools across multiple disciplines
- You're curious about palm reading and biorhythms alongside horoscopes
Final Verdict
Co-Star is the social astrology app that made astrology viral — built for sharing and comparing charts with friends. AskNebula is the multi-tool spiritual app combining astrology, tarot, numerology, and palm reading. Choose Co-Star for social astrology and friend compatibility. Choose AskNebula for a broader spiritual toolkit in one app.