# CalendarTunnel

> Privacy-first calendar sync service that mirrors events across Google, Microsoft, Zoho, iCloud, and ICS calendars as busy blocks to prevent double bookings. Connect once, stay in sync everywhere.

## Product

- [Home](https://www.calendartunnel.com/): Landing page — sync calendars, avoid conflicts, 7-day free trial
- [Pricing](https://www.calendartunnel.com/#pricing): Plans (Starter 3 cal, Growth 5 cal, Pro 8 cal), EUR pricing, yearly savings
- [FAQ](https://www.calendartunnel.com/#faq): Supported providers, sync speed, privacy controls, trial details

## Legal

- [Terms of Service](https://www.calendartunnel.com/terms): Usage terms and conditions
- [Privacy Policy](https://www.calendartunnel.com/privacy): Data handling, GDPR compliance, EU-hosted
- [Billing Policy](https://www.calendartunnel.com/billing-policy): Billing and refund terms

## About

CalendarTunnel is operated by Zoldytech. It syncs availability without storing event titles, notes, or descriptions. Supports recurring events, per-calendar filters, tentative events, and hybrid webhook + polling sync. OAuth for Google/Microsoft/Zoho; credential-based for iCloud; ICS feeds for read-only sources.

## Optional

- [Sitemap](https://www.calendartunnel.com/sitemap.xml): All public pages in 25 languages