EchoSim Tools

Understand how you
connect.

Small, thoughtful tools that make invisible patterns visible. Free to use, private by design, and stored only in your browser.

NewTwo birthdays · under a minute

Love Oracle

Divine your fate with your crush, your partner — or the one who got away. Two birthdays cast the four pillars, and the red thread tells you the rest.

See what ties you together

New24 four-choice questions · 5–7 min

EchoSim Dating Personality Test

Discover your dating pattern through 24 realistic scenarios. See each choice move the result, then get a guide shaped by the answers behind your type.

Discover your dating personality

New256 pairings · two-sided read

Personality Compatibility

Choose two dating personalities to explore attraction, friction, communication, gender expectations, and practical tips for both people.

Compare two personalities

Coming next

Attachment style, dating communication, and relationship values.