Calendly vs Kalender Sync
Calendly and Kalender Sync are both scheduling & calendar tools. Calendly is aimed at small businesses and enterprise, while Kalender Sync is aimed at freelancers and small businesses. Both have a free plan.
The most popular meeting scheduler
German-hosted calendar sync across providers, with AI assistant access
| Pricing | Freemium · $12 | Freemium |
| Starting price | $12/mo | Not published |
| Free plan | Yes | Yes |
| Free trial | 14 days | 7 days |
| Built for | Small businesses, Enterprise, Freelancers | Freelancers, Small businesses |
| Platforms | web, ios, android | web |
| Country | US · 2013 | DE |
| Rating | — | — |
Choose Calendly if
Sales, recruiting and customer-facing teams that need reliable team scheduling and CRM sync.
- Reliable, recognized by invitees
- Mature team scheduling and routing
- Deep CRM and video integrations
Look elsewhere if: Solo users on a budget (zcal, Cal.com free) or teams wanting self-hosting (Cal.com).
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).
Calendly vs Kalender Sync pricing
Calendly
- Free$01 event type, 1 calendar connection
- Standard$12/seat/mo$10 billed yearly; unlimited event types, payments
- Teams$20/seat/mo$16 billed yearly; round robin, routing, Salesforce
- Enterprisefrom $15k/yrStarts at 50 seats; SSO, SAML, Salesforce lookup
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
Calendly · Key features
- Booking pages with buffers, limits and multiple event types
- Round-robin and collective team scheduling
- Routing forms to qualify and direct invitees
- Automated reminders, follow-ups and no-show workflows
- Payments via Stripe and PayPal
- Salesforce, HubSpot, Zoom and Teams integrations; browser extension
Cons
- Per-seat pricing adds up for teams
- Free plan limited to one event type
- Customization of booking pages is limited
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
Calendly vs Kalender Sync: FAQ
Do Calendly and Kalender Sync have a free plan?
Yes, both Calendly and Kalender Sync have a free plan; paid plans add more usage and features.