OpenCal vs zcal

Updated October 31, 2026

zcal's pricing page lists free individual use with unlimited links and calendars. OpenCal is free. zcal's free plan includes more booking features. OpenCal can count a Teams calendar that your company does not let outside apps read.

Your decisionOpenCalzcal

Price for one personOpenCal is free and has no paid plans.The Free plan costs $0 per user per month.

Several calendarsOpenCal connects several Google and Microsoft accounts, one iCloud account and private .ics feeds.The Free plan includes unlimited calendar accounts with Google, Outlook and Apple Calendar integrations.

Polls, payments and linksOpenCal does not include meeting polls, payments or event types.The Free plan includes meeting polls, Stripe payments, unlimited links and multiple durations.

Team schedulingOpenCal does not include round-robin or team pages.Pro adds round robin, collective events and branding removal for $7 per user per month billed annually.

Is zcal free?

Yes. zcal's pricing page lists a Free plan at $0 per user per month for individuals. Pro costs $7 per user per month billed annually. One user pays $84 a year. Pro adds teams, SMS reminders and your own branding.

Which free plan has more features?

zcal's Free plan lists more booking features than OpenCal. It includes meeting polls, group events, Stripe payments, Zoom and Microsoft Teams meeting integrations and website embedding. OpenCal does not include meeting polls, payments or event types. zcal provides those features.

Can I connect a calendar when my company blocks outside calendar connections?

OpenCal's Read from screen reads the Teams or Outlook week view in your browser. You review the busy blocks, and OpenCal saves only the times you approve. The screenshot stays in your browser. A screen read counts as checked for 24 hours. Follow the Teams setup guide for the exact steps.

zcal.co/pricingRead October 31, 2026

Free Forever$0 per user / month

Includes:

Unlimited calendar accounts 1
Unlimited links
Meeting polls 2
Microsoft Outlook integration
Stripe payment integration

opencal.link/settings

Your linkProfileCalendarsOther calendarsHoursBooking

Other calendars

Use these only for a calendar OpenCal cannot connect to under Calendars. These send busy times only.

Read a calendar from my screenFor a calendar app OpenCal can’t connect to, like Teams or Outlook on the desktop. Open its week view, click Read from screen and pick that window.Read from screen3

Browser extensionReads Outlook on the web in Chrome or Edge.Add to browser4

Feed linkPaste a calendar’s .ics link.Add feed5

1zcal's Free plan lists unlimited calendar accounts.
2zcal's Free plan lists meeting polls. OpenCal does not include meeting polls.
3Read from screen adds busy times from the Teams or Outlook desktop week view. The screenshot stays in your browser.
4The OpenCal Sync extension reads Outlook on the web every 15 minutes while the browser is open.
5A feed link adds any private .ics address.

When is OpenCal worth trying?

OpenCal gives you one free link that shows your free time across work and personal calendars, including a Teams calendar that cannot connect to an outside app. If both people sign in, OpenCal shows the times that work for both without showing either person's events.

Get your OpenCal link

Sources checked October 31, 2026

zcal pricing for the Free plan list and the Pro price.
OpenCal terms for the free service.
OpenCal privacy policy and the current in-app settings.