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A personalized astrology app that generates daily horoscopes from NASA ephemeris data. Here is how the two actually differ, including where Co-Star is the better answer.
Written and published by Vibros, so we have a stake in this. Facts about Co-Star were taken from public sources on 2026-08-23 and may have changed since. Source.
Charts positions from NASA data, then generates short daily readings from writing produced by human astrologers working with software. Free to use, with a paid premium tier and social features for comparing charts with friends.
Pricing: Free core app. Premium subscription reported by users at around $9 per month, plus one-off paid add-ons.
What they are good at: Free daily astrology with a sharp voice, and comparing charts with friends. As a daily habit it costs nothing and it is genuinely well made.
Co-Star: Generated text, produced in advance, identical for everyone with your chart.
Vibros: A named person, live, who is responding to what you actually said.
Co-Star: There is nobody to ask. The reading is what it is.
Vibros: It is a conversation. You can push back, explain the situation, and ask what you actually want to know.
Co-Star: Free, or a monthly subscription for premium features.
Vibros: Nothing monthly. You pay per minute only when you talk to someone.
You want a free daily astrology habit and you like reading your chart yourself.
You have a specific situation and you want to ask a real person about it, not read a general forecast.
Vibros is an alternative to Co-Star for people who want a live reading from a screened human being, billed by the minute with the rate shown before you connect and no subscription. It is the better fit if you have a specific situation and you want to ask a real person about it, not read a general forecast. Co-Star is the better choice if you want a free daily astrology habit and you like reading your chart yourself.
Co-Star: Free core app. Premium subscription reported by users at around $9 per month, plus one-off paid add-ons. Vibros bills by the minute at a rate each advisor sets, shown on their profile and again immediately before you connect, with no connect fee, no membership and no subscription. Figures for Co-Star were checked on 2026-08-23 and may have changed since.
No. Every reading on Vibros is given by a real person. Advisors pass identity verification, a background check and a live audition before they can take a single session, and AI is never used to stand in for an advisor or to write a reading.
A short guide from Melissa, who has worked both sides of the call, on getting a reading that actually helps: how to prepare, what to ask, and what to pay attention to while it happens. It is free, and it works no matter which site you end up using.