Co–Star

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Every plan, in full

On the record

Ask the stars

The in-app question feature responds using a person’s specific chart and the current position of the stars.costarastrology.com · read 14 Nov 2026

Astrology engine

Its technology combines NASA Jet Propulsion Laboratory data, human insight, and natural-language AI.costarastrology.com · read 14 Nov 2026

Birth chart

The service uses birth date, time, and place to create a full birth chart rather than relying only on a sun sign.costarastrology.com · read 14 Nov 2026

Data use

The FAQ says birth details generate astrology content and in-app behavior informs which transits are surfaced.costarastrology.com · read 14 Nov 2026

Horoscopes

It generates personalized horoscopes based on current planetary positions.costarastrology.com · read 14 Nov 2026

Premium features

Premium options include asking questions and viewing the full chart of someone without the app.apps.apple.com · read 14 Nov 2026

Privacy

Co–Star states that it does not sell personal information or share it for targeted advertising.costarastrology.com · read 14 Nov 2026

Product

Co–Star describes itself as a hyper-personalized, social astrology experience.costarastrology.com · read 14 Nov 2026

Revenue model

The company says it uses a freemium model with revenue from à-la-carte in-app purchases.costarastrology.com · read 14 Nov 2026

Safety limit

The question feature excludes questions considered unsafe, toxic, harmful, or hurtful.costarastrology.com · read 14 Nov 2026

Social compatibility

Users can add friends, compare compatibility, and read friends’ daily updates.costarastrology.com · read 14 Nov 2026

Support

Users can email Co–Star for verification, phone-number changes, or app-related questions.costarastrology.com · read 14 Nov 2026

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