Last updated: August 8, 2026.
Through the Wall stores the information needed to run prediction pools: your sign-in identifier, email supplied by your authentication provider, username, pool memberships, predictions, progress, optional notification preferences, and optional Heat Check ratings and flags.
Poolmates can see your username, public progress, and eligible scores. Predictions are hidden until the applicable lock conditions are met. Friend-pool Heat Check scorecards are shared only when you opt in. Global Heat Check shows combined averages and flag totals, not named individual scorecards.
Email notifications are off by default. If you opt in, Through the Wall may email you when new episodes become available or a friend completes a phase. You can turn these messages off at any time in Settings.
Through the Wall uses Plausible Analytics to measure visits and important actions such as creating a pool or completing a first checkpoint. Plausible does not use cookies and the app does not send usernames, email addresses, prediction content, or Heat Check scorecards with analytics events.
Firebase provides authentication, database, server functions, and queued email delivery. GitHub Pages hosts the website. Plausible provides privacy-friendly traffic analytics. These providers process technical information needed to operate, improve, and secure the service.
You can leave pools from Settings. You can also delete your account from Settings; this removes your profile, notification preference, invitations, rate-limit records, and game data and deletes pools you own. Limited security and operational records may be retained where reasonably necessary.
For privacy questions, contact the project maintainer through the project’s GitHub issue tracker.