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Kalender Sync vs TidyCal

Kalender Sync and TidyCal are both scheduling & calendar tools. Kalender Sync is aimed at freelancers and small businesses, while TidyCal is aimed at freelancers. Both have a free plan.

Kalender Sync

German-hosted calendar sync across providers, with AI assistant access

TidyCal

Lifetime-deal scheduling from AppSumo

PricingFreemiumFreemium · $12
Starting priceNot published$12/mo
Free planYesYes
Free trial7 days—
Built forFreelancers, Small businessesFreelancers
Platformswebweb
CountryDEUS · 2021
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 TidyCal if

Freelancers wanting cheap scheduling.

  • Free plan or pay once
  • Simple
  • Paid bookings included

Look elsewhere if: Teams needing routing.

Kalender Sync vs TidyCal 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

TidyCal

  • Free$0Unlimited bookings and booking types
  • Individual Lifetime$29/one-timeVia AppSumo; Zoom/Meet links, 10 calendar connections
  • Agency Lifetime$79/one-timeVia AppSumo; round robin, team features
  • Pro$12/mo$99/yr ($8.25/mo billed annually); all features

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

TidyCal · Key features

  • Booking pages
  • Calendar sync
  • Paid bookings
  • Group events
  • Reminders
  • Free plan plus lifetime deals

Cons

  • Limited team features
  • Fewer integrations
  • Basic customization

Kalender Sync vs TidyCal: FAQ

Do Kalender Sync and TidyCal have a free plan?

Yes, both Kalender Sync and TidyCal have a free plan; paid plans add more usage and features.

Which is better for small businesses, Kalender Sync or TidyCal?

Kalender Sync lists small businesses as a core audience, while TidyCal is aimed more at freelancers.

Not sure yet?

Kalender Sync vs TidyCal (2026): Pricing and Features