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Best cross-platform calendar app (2026)
For people who live across Windows, Mac, Linux, and mobile and need one calendar everywhere.
Same public formula as every ranking, just reweighted to emphasize Cross-platform for cross-platform use. How we score →
Top pick for cross-platform use
Google Calendar
79
SoftwareScore for cross-platform use
The default calendar for most of the web, free and everywhere, with unmatched integrations, though smart scheduling is thin and your data lives in Google.
Because cross-platform use weigh Value (price vs capability), Cross-platform, Ease of use most heavily, Google Calendar comes out on top for this use.
See Google Calendar → Runners-up for cross-platform use
2
Calendly
Free · $12/mo · ★4.7 (6.8k)
The best-known booking-link tool, effortless to share and rich in team features like round-robin, with deep integrations.
77
for cross-platform use
3
Cal.com
Free · $12/mo · ★4.6 (147)
An open-source, self-hostable scheduling platform, the Calendly alternative that wins on data ownership and extensibility.
76
for cross-platform use
4
Outlook Calendar
Free · M365 from $9.99/mo
Microsoft's calendar with a strong scheduling assistant and Bookings, tightly wired into Outlook and Microsoft 365 for teams.
74
for cross-platform use
5
Reclaim.ai
Free · $8/mo · ★4.8 (120)
An AI scheduler that auto-defends focus time, habits, and tasks around your meetings on Google Calendar, strong automation, single-calendar focus.
71
for cross-platform use