The short version: we keep less than you expect.
Stack'd exists to help people put phones down together. Collecting a detailed record of those people would contradict the entire premise, so we don't.
What we store
An account is an email address, a display name, and the sessions you choose to run. Room membership, session length, breach counts and the resulting scores are stored so the room can show everyone the same history. That is the whole product surface — there is no ad profile behind it.
What never leaves your device
Motion is read locally. The accelerometer and orientation streams that detect a tilt, a lift or a screen wake are processed on your own device and discarded. What reaches the server is the conclusion — “a break happened at 12:04” — never the raw sensor trace.
Security records
Sign-in attempts are logged with a timestamp, the result, and a coarse network address. This exists to rate-limit credential stuffing and to lock an account after repeated failures. It is retained briefly and used for nothing else.
Who else sees it
People in your rooms see your display name and your session results — that visibility is the point of a shared room. Beyond that, nothing is sold, and nothing is shared with advertisers. Infrastructure providers process data strictly to run the service.
Deleting it
Ask and your account and its history are removed. Write to raghavendrasujith204800@gmail.com and the deletion is permanent — sessions, scores, memberships and security records included.
Questions about any of this → raghavendrasujith204800@gmail.com
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