Kalender Sync vs Notion Calendar
Kalender Sync and Notion Calendar are both scheduling & calendar tools aimed at freelancers and small businesses. Both have a free plan.
Kalender Sync
German-hosted calendar sync across providers, with AI assistant access
Notion Calendar
Calendar that connects to Notion databases
| Pricing | Freemium | Free |
| Starting price | Not published | Not published |
| Free plan | Yes | Yes |
| Free trial | 7 days | — |
| Built for | Freelancers, Small businesses | Freelancers, Small businesses |
| Platforms | web | macos, windows, ios, web |
| Country | DE | US · 2022 |
| Rating | — | — |
Choose Kalender Sync if
Freelancers and consultants in Europe who need GDPR-compliant sync across Google, Outlook, iCloud and German mail providers.
- Covers German providers that most sync tools ignore
- Privacy-friendly default shares busy time only
- GDPR DPA included even on the Free plan
Look elsewhere if: Teams wanting AI task scheduling or central admin for many users (Reclaim, Ridian).
Choose Notion Calendar if
Google Calendar users, especially in Notion.
- Free
- Fast and beautiful
- Great Notion integration
Look elsewhere if: Outlook-centric organizations.
Kalender Sync vs Notion Calendar pricing
Kalender Sync
- Free€02 accounts, 1 sharing, Google and Outlook only, 100 AI credits
- Basic€5/mo3 accounts, 5 syncs, all providers; 2 months free yearly
- Professional€12/moUnlimited accounts and syncs, 18 months ahead, 2,000 credits
Notion Calendar
- Free$0Free app; included in Notion Free plan
Kalender Sync · Key features
- One-way or two-way sync between calendars at different providers
- Supports Google, Outlook, iCloud, GMX, WEB.DE, mailbox.org and kSuite
- Busy-only, title and time, or full-detail visibility per sync
- Real-time webhooks for Google and Outlook, 5-minute polling for others
- MCP server for Claude, ChatGPT, Cursor, Zapier and n8n
- Per-calendar AI permissions with a logged history of actions
Cons
- Prices listed only in euros
- Free plan cannot sync your own calendars with each other
- Non-Google, non-Outlook providers update about every five minutes
Notion Calendar · Key features
- Keyboard-first calendar UI
- Multiple Google accounts in one view
- Notion pages and databases on calendar
- Scheduling links and availability sharing
- One-key meeting join
- Time zone tools
Cons
- Google-only (limited Outlook)
- No tasks of its own
- Mobile app less powerful
Kalender Sync vs Notion Calendar: FAQ
Do Kalender Sync and Notion Calendar have a free plan?
Yes, both Kalender Sync and Notion Calendar have a free plan; paid plans add more usage and features.