Tools
My account
An account keeps your numbers safe across any phone or computer. It holds your email and a nickname. Nothing else, ever.
Sign in, or make an account
Same door for both. Type your email and we send a sign-in link plus a 6-digit code. No password to invent, no password to forget.
Or type the code from the email
You are signed in
Your data, your call
One file with all your numbers and checkmarks. Yours to keep.
Delete my account
Erases your account and every number in it, for real, right away. Type DELETE to arm the button.
Why sign in at all?
- Phones get lost, break, and clear their storage. An account means your plan survives.
- Your checkmarks and calculator numbers follow you to any device.
- Reading never needs an account. Only saving does.