# Kundli Matching — free Vedic astrology calculator

The honest score for you and your person. No sugar-coating.

Kundli Matching is one of 40 free instruments on Supastro. It runs without a subscription and computes from the same NASA JPL-based engine as the paid product.

## What it does

Classical 36-guna (Ashtakoota) compatibility between two birth charts — an honest overall score plus the factor-by-factor breakdown of where you click and where you clash.

## What it costs

Nothing. Kundli Matching is free and needs no subscription. Supastro publishes 40 free instruments in total.

## Related pages

- [All 40 free instruments](https://supastro.com/tools) — the full directory
- [What Supastro is](https://supastro.com) — the platform overview
- [How Supastro calculates](https://supastro.com/how-it-works) — birth data to answer

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Source: https://supastro.com/tools/compatibility · Supastro is an AI astrology platform for Vedic astrology (Jyotish), built as Vedic Super Intelligence (SI), by Quantum Karma, Bangalore, India. Chart positions are computed from NASA JPL ephemeris data on the Lahiri (Chitrapaksha) ayanamsa. 40 instruments are free to use.