maicrositesYour account
Sign in
Payment received. Sign in with the same email address you used at checkout and Pro switches on everywhere.
One email address is all it takes. We send you a link that signs you in — no password to pick, and none to lose.
- The link works once and lasts 20 minutes
- We store your email address and nothing else
- No card, no password, no newsletter
Free
$0forever, no card
Everything that calculates. No account needed.
- Every calculator on every one of our sites, Pro ones included
- Works with no account and no sign-up
- Copy a link to any result and send it
- Email reminders before any date — you pick 7, 3 or 1 day
- CSV, calendar file and clean print — always free
- 3 saved setups and 3 alerts on your own dates
- Shows ads
Pro
$24/ year
$3.99/ month
That is $2 a month. Cancel any time, keep it to the end of the period.
Cancel any time — one click in your account.
- No ads, on every site we run
- 200 saved setups instead of 3, on any device
- 50 email alerts on your own dates instead of 3 — once, or every month
- Turn any result into a public page at our address, with a preview
- Embed a tool on your own site, without our badge
- One account, one price, all our sites — now and every new one
Price excludes tax; the exact total in your currency is shown at checkout.
| Feature | Free | Pro |
|---|---|---|
| Every calculator on the site | ✓ | ✓ |
| Pro tools on this site | ✓ | ✓ |
| Works without an account | ✓ | ✓ |
| CSV / calendar / print export | ✓ | ✓ |
| Copy a link to a result | ✓ | ✓ |
| Reminders before dates on our pages | ✓ | ✓ |
| Embed a tool with our badge | ✓ | ✓ |
| Saved setups, synced across devices | 3 | 200 |
| Email alerts on your own dates | 3 | 50 |
| Ads | shown | none |
| Public page for a result, at our address | — | ✓ |
| Embed without our badge | — | ✓ |
| Covers our other sites too | ✓ | ✓ |
What we do with your address is written down: Privacy · Terms
—
Saved setups
Anything you pressed Save on, from any of our sites. Open it and the page comes back exactly as you left it.
Your emails
Everything we send you, from every one of our sites. Change it or stop it here — no email needed.
Regular
Before a date on our pages
On your own dates
Your Pro works on our other sites too
Your data, your contract
Download everything we hold about you, as JSON.
DownloadWithdraw from the Pro contract within 14 days of buying it. We confirm by email and refund to your payment method.
Delete the account and everything in it. Immediate and permanent.
Sign out on this device.