Compatibility, calculated

How compatible
are you, really?

Enter both birth dates, times and places. We calculate both natal charts with a NASA JPL ephemeris engine, compare every cross-chart aspect, and give you a free harmony score with three real insights — the full written report is optional.

0.00003°
Max ephemeris error vs JPL
Every
Cross-chart aspect weighed
5
Dimension scores, free
$0
Subscriptions, ever
I

Person 1 — You

Birthplace not listed? Enter coordinates manually
II

Person 2 — Partner

Birthplace not listed? Enter coordinates manually

Accurate birth times give accurate houses and scores. Birth data is used only to compute your charts.

How it works

From birth data to an honest score

I.

Two real birth charts

Both charts are computed from date, time and place with a JPL DE421 ephemeris — planets, houses and angles to arc-second precision.

II.

Every aspect, weighed

All cross-chart aspects are scored by type and tightness of orb. Flowing and tense contacts are weighed openly — the method is published, the math is reproducible.

III.

A score with receipts

Your free card shows the Harmony Index, five dimension scores and three chart-specific insights. Every number in the paid report cites the aspect behind it.

Browse pairings

Popular sign pairings

Pairing pages are sketches from sign data alone. Your free card replaces the sketch with a calculation from both full birth charts.

Pricing

Full reports, one-time prices

Mini Compatibility Report

The essentials: compatibility overview, emotional connection and attraction & chemistry, with your five dimension scores interpreted.

$5.99

Calculate free card first →

Full Compatibility Report

All six chapters for both of you: emotional connection, communication, chemistry, friction map and long-term potential.

$12.99

Calculate free card first →

Natal Chart Report — Person 1

A full natal reading for the first person on the card: core identity, emotional nature, mind, love, drive and growth edges.

$24.99

Calculate free card first →

One-time payment — no subscription, no auto-charge. Pay only after you see your free card; reports unlock immediately and include a PDF, yours forever. Secure checkout by Dodo Payments.