Head-to-head · Calendar Apps
Google Calendar vs Proton Calendar
Google Calendar leads on 0 checks, Proton Calendar on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreGoogle Calendar · 9.4/10
- Free planboth
- Free trialonly Google Calendar
- Most featuresGoogle Calendar · 4 of 4
Google Calendar scores higher on our rubric for calendar apps: 9.4 against 8.8 out of 10; our editors rank them #1 and #6.
On calendar sync, Google Calendar gives you Two_way where Proton Calendar offers One_way.
Google Calendar is the better fit for most individuals and Google Workspace teams. Proton Calendar is the better fit for privacy-focused users wanting free scheduling.
- Google Calendar fits best
Most individuals and Google Workspace teams
- Proton Calendar fits best
Privacy-focused users wanting free scheduling
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Side by side
| Feature | Google Calendar 9.4/10 Visit ↗ | Proton Calendar 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 8.8 |
| Ranking | #1 in Calendar Apps | #6 in Calendar Apps |
| Best for | Most individuals and Google Workspace teams | Privacy-focused users wanting free scheduling |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $7/user/mo | — |
| Free plan | ✓ | ✓ |
| Free trial | 14 days | — |
| Deployment | Cloud, Mobile | Cloud, Desktop, Mobile |
| Platforms | Web, iOS, Android | Web, Windows, macOS, Linux, iOS, Android |
| Support | Community, Docs | Email, Live chat, Docs |
| Integrations | 5 integrations | 6 integrations |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features Google Calendar 4/4 · Proton Calendar 3/4 | ||
| Shared calendars | ✓ | ✓ |
| Time blocking | ✓ (best) | Not checked yet |
| Scheduling links | ✓ | ✓ |
| Video meeting support | ✓ | ✓ |
| Specs | ||
| Calendar sync | Two_way | One_way |
| Mobile apps | Ios and android | Ios and android |
| Our review | ||
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| Our verdict | Google Calendar is an online calendar and scheduling application for individuals, teams, and organizations. It supports event and meeting scheduling, shared calendars with configurable permissions, multiple calendar views,… Read the review → |
Proton Calendar is an encrypted calendar service for individuals, families, and teams that want private event management. It supports event creation, recurring schedules, reminders, invitations, sharing, external calendar subscriptions,… Read the review → |
Strengths and trade-offs
Google Calendar — where it wins
- Free core access with personal Google Accounts
- Shared calendars, booking pages, and two-way synchronization
- Web, iOS, and Android apps with Google Meet integration
Where it doesn't
- Some booking and Workspace features require eligible subscriptions
- Enterprise pricing requires contacting sales
- Advanced business capabilities are tied to Workspace plans
Proton Calendar — where it wins
- End-to-end encryption for calendar events
- Free plan includes recurring events and invitations
- Booking pages, sharing, and Proton Meet links
Where it doesn't
- External calendar synchronization is one-way
- Narrower integration set than general-purpose calendars
- Calendar is bundled with Proton Mail plans
- Google Calendar9.4/10 · Free plan · 14-day trial
A versatile calendar for personal schedules and Google Workspace collaboration.
Try Google CalendarFull verdict → - Proton Calendar8.8/10 · Free plan
A privacy-focused calendar with free scheduling tools and limited two-way sync.
Try Proton CalendarFull verdict →
More comparisons
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- Google Calendar vs Zoho Calendar
- Google Calendar vs Notion Calendar
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- Google Calendar vs Doodle
- Google Calendar vs KOrganizer
- Microsoft Outlook vs Proton Calendar
- Zoho Calendar vs Proton Calendar
All calendar apps comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







