Cal.comvs
Microsoft 365 for NonprofitsCal.com vs Microsoft 365 for Nonprofits for nonprofits
Choose Cal.com if…
Charities booking appointments with advisers or volunteers
Not ideal for: Organisations needing a full multi-user free plan
Choose Microsoft 365 for Nonprofits if…
Organisations whose staff, funders and partners rely on desktop Word, Excel and PowerPoint
Not ideal for: Tiny volunteer-led groups that need a simple setup with no IT help
| Cal.com | Microsoft 365 for Nonprofits | |
|---|---|---|
| Our rating | ●●●●○ | ●●●●● |
| Price | Free plan · paid from US$12/user/month (Teams, billed yearly) | Free for eligible nonprofits (Business Basic) |
| Nonprofit offer | Cal.com says it offers special nonprofit discounts on a nonprofit page, but publishes no percentage or process. | Free Microsoft 365 Business Basic for up to 300 users and about 60-75% off other plans. The free Business Premium grant ended from 1 July 2025; Office 365 E1 grants now only apply in limited cases. |
| Type | Specialist | Suite |
| Suits | Volunteer-run, Small, Medium | Small, Medium, Large |
| Available in | 🌍 Anywhere | 🌍 Anywhere |
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Our ratings: Cal.com: Open-source scheduling with a generous free plan. Microsoft 365 for Nonprofits: Free Business Basic and deep discounts make it the other default suite.
General information, not professional advice. Prices and nonprofit offers change and our research is AI-assisted, so confirm with the vendor before you buy. Names and logos belong to their owners. Full disclaimer
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