The whole policy is one sentence: nothing about you or your practice ever leaves your device.
There is no account system, no newsletter, no third-party analytics on the timer pages, and no advertising on the timer itself.
Your practice history (session times and durations) and your bell and interval preferences are saved in your browser's local storage on your device. They are never sent anywhere by this site. Clearing your browser's site data removes them; the Export button in the practice panel creates a backup file you control.
We do not use cookies for tracking, do not fingerprint visitors, and do not run cross-site scripts on the timer pages. If advertising appears on non-timer pages in the future, this page will be updated first — and the timer pages will remain ad-free.
The site is served as static files. No content, fonts, or scripts are loaded from third parties. Audio is generated locally by your browser.
No account, no sync, nothing leaves your device. Export a backup anytime — it also works as a way to move your history to another browser.