The verdict
On the data we hold, Google Calendar comes out ahead. Here is why, point by point.
What the data says
- Only Google Calendar has a free plan to start on.
- In our Master your workweek ranking, Google Calendar places 3 and Sunsama 7 of 7.
Side by side
| At a glance | SUSunsama | |
|---|---|---|
| Starts at | €6.80/mo | $1.33/mo |
| Free plan | Yes | No |
| API | Yes | Not known yet |
| MCP server | Yes | Yes |
| Links |
Plans and pricing
Google Calendar
- FreeFree with a personal Google account.Free
- Google Workspace StarterBusiness plan with Calendar, Gmail, Meet and 30 GB per user.€6.80/mo/seat
SU
Sunsama
- Probusy professionals$22/mo
Prices as the vendors list them. They change often; the final price is on their sites.
Who each is for
Choose Google Calendar if…
Founders and small teams already on Google Workspace who need shared calendars, invitations and availability checks that sync across web, mobile and Gmail.
Other options worth a look
Tool·PeopleLog hours across devices with reporting and billing features for freelancers, agencies and teams.Master your workweek
From $9/mo yearlyFree planAffiliate link
Tool·PeopleAutomatically schedules tasks and meetings onto your calendar with integrated time tracking for teams.Master your workweek
From $19/moAffiliate link- COTool·PeopleSearches 220 million peer-reviewed papers to synthesize evidence-based insights with linked citations and study metadata.
Master your workweek
From $10/mo yearlyFree plan - RETool·PeopleProtect deep work and automate recurring meetings with AI agents that continuously adjust your calendar around priorities and conflicts.
Master your workweek
From $0.83/mo yearlyFree plan
Tool·PeopleBlock distracting apps and websites across all your devices during scheduled focus sessions.Master your workweek
From $3.33/mo yearlyFree planAffiliate link