yours, private
Account
You don’t need an account. Everything you do here is saved on this device, for free, with no sign-up. An account is optional — it only syncs your history across your devices and backs it up.
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You’re a guest
Nothing saved yet — start training.
Sync across devices (optional)
Enter your email and we’ll send a 6-digit code. No passwords.
Your data
It never leaves your device unless you export it. You’re in control.
Private by design · on-device · free forever. Same data model as the Kelo app.