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Free astrology tool — any two signs

Zodiac Compatibility Checker

Pick your sign and theirs — partner, crush, friend, boss, mother-in-law — and get love, communication and long-term scores with a warm, honest verdict on how the pairing really works.

25+ yearsreading experience
25,000+readings written
5.018,600+ verified reviews
Your sign
Their sign
The cast

The 12 signs at a glance

Element and modality are what the scores are built on — here's each sign's nature in a line.

♈︎
AriesMar 21 – Apr 19
firecardinal

bold, direct, first out of the gate

♉︎
TaurusApr 20 – May 20
earthfixed

steady, sensual, deeply loyal

♊︎
GeminiMay 21 – Jun 20
airmutable

curious, quick-witted, endlessly chatty

♋︎
CancerJun 21 – Jul 22
watercardinal

caring, intuitive, fiercely protective

♌︎
LeoJul 23 – Aug 22
firefixed

warm, generous, born to shine

♍︎
VirgoAug 23 – Sep 22
earthmutable

practical, thoughtful, quietly devoted

♎︎
LibraSep 23 – Oct 22
aircardinal

charming, fair-minded, made for partnership

♏︎
ScorpioOct 23 – Nov 21
waterfixed

intense, loyal, all or nothing

♐︎
SagittariusNov 22 – Dec 21
firemutable

adventurous, honest, always exploring

♑︎
CapricornDec 22 – Jan 19
earthcardinal

ambitious, grounded, built to last

♒︎
AquariusJan 20 – Feb 18
airfixed

original, independent, a little ahead of the curve

♓︎
PiscesFeb 19 – Mar 20
watermutable

gentle, dreamy, deeply empathetic

How the scores work

Astrology reads compatibility through elements and modalities. Fire and air feed each other; water and earth grow things together; fire and water make steam — thrilling, and it takes skill. The checker scores each pairing on that classic logic: same-element pairs tend to score high on long-term ease, complementary elements on romance, and the famously tricky combinations lower on communication — because that's honestly where they work hardest.

But a chart describes the weather, not your fate. I've read for couples with "impossible" sun signs and thirty happy years, and for "perfect matches" who bored each other silly. Use the scores as a map of where the easy roads and the steep hills are — then drive how you drive.

"No pairing is doomed. The hard aspects in a chart are usually where a couple's best story gets written — if both people are willing to write it."
— Kate
0:36 · Kate, on reading love and relationships
Read the transcript

Kate: Love readings — they stay with me the longest. People come to me with their emotions, their fears, their hopes, and entrust me with what matters most. And I take that very seriously.

Interviewer: And you pull ten cards for this type of reading, right?

Kate: Yes. We map the deep foundation, the blocks, and how they truly feel. Not where you hope it's heading, but where the energy is genuinely moving — to give you absolute honest clarity. You receive a detailed written reading, written personally by me. It includes gentle, actionable steps, and a free follow-up question, to support you completely every single step of the way.

Before you ask

Your questions, answered

How accurate is sun-sign compatibility?
It's real astrology, honestly simplified. Your sun sign is the loudest note in your chart, so sign-to-sign scoring catches genuine patterns — but a full chart adds your Moon, Venus, Mars and rising sign, which can soften or sharpen everything. Treat these scores as the opening chapter, not the verdict.
We got a low score — are we doomed?
Not remotely. A low score means the easy roads are fewer and the growth is steeper — some of the strongest couples Kate has read for are 'difficult' pairings who chose each other daily. The chart describes the weather, not your fate; you remain the authors of the relationship.
Can I check friends, family or colleagues?
Please do — the elements and modalities shape every relationship, not just romance. The love score matters less for your boss (we hope), but communication and long-term rhythm read true for friendships, family and work alike.
Why do the scores change with different pairings but never for the same two signs?
Because the scoring is honest, not random. Each result is built from the two signs' elements and modalities, so Aries + Libra always scores the same — and always the same in either order. It's a real system you can test, not a slot machine.
What would a paid relationship reading add?
Specifics. The checker knows two signs; Kate's 10-Card Love Reading knows your situation — where you both stand, what's unspoken, what happens if nothing changes, and what to do next. $89, personally written, within 48 hours with a free follow-up question.
For the relationship that matters

Two signs are a start — ten cards are a story

The 10-Card Love Reading maps your relationship card by card — feelings, obstacles, outside forces and the likely path — $89, personally written by Kate within 48 hours.

Book the 10-Card Love Reading · $89