Cookies
Cookie & data policy
We use very little, and nothing for advertising.
| What | Purpose | Type |
|---|---|---|
| Session cookie (shiro_rt) | Keeps you signed in on this device; secure, http-only, only sent to our sign-in service | Essential |
| Device ID (local storage) | Recognises this phone so new phones need a one-time code | Essential (security) |
| Encrypted offline storage (IndexedDB) | Records you make without signal, and your last-synced figures, encrypted with your PIN | Essential (offline mode) |
| Preferences (local storage) | Your language, theme, and whether the narrator is muted | Functional |
We don't use advertising or third-party tracking cookies. Web fonts are loaded from Google Fonts. Product analytics are collected on our own servers, pseudonymised, and never include amounts, names or what you said.