Share Subscribed Feeds
With Your Entire FamilyTeamClubHouseholdOrganization

Subscribed (.ics) calendars such as sports schedules, school events, or webcal feeds can't be shared in Google Calendar because Google locks external feeds to a single user.

Shared Calendar Sync solves this by automatically syncing subscribed events directly into your shared family or team calendars.

Install Add-on About
🔒 100% Serverless & Private
🔄 Automatically Syncs Changes
🛡️ Zero Duplicates
Shared Calendar Sync Illustration

Why Shared Calendar Sync?

Google Calendar's native subscription implementation leaves families, users, and teams wanting for more.

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Why doesn't Google Calendar share subscribed feeds natively?

The iCalendar standard (.ics / webcal://) is purely a static text file format—it has no concept of users or permissions. Because of this, Google Calendar isolates all external URL subscriptions into private silos on your personal account, with no native way to attach family sharing rules or pipe events into a shared calendar.

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The Google Calendar Limitation

Without Shared Calendar Sync
External feeds are trapped in silos
Subscribing to an .ics feed (sports schedules, kids' leagues, school calendars) is strictly private to your individual Google account.
Shared calendars stay blank
Family members, spouses, and kids cannot see those subscribed events unless every person tracks down the URL and subscribes on their own device.
Manual copying breaks on reschedules
Manually copying to a shared calendar severs the link to the live feed. When kickoff times shift or rainouts occur, copied events become stale.
Third-party tools introduce security concerns
Other sync solutions require handing full calendar access and sensitive scheduling data to external third-party servers.
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The Shared Calendar Sync Solution

Automated, private, & effortless
Automatic 1-Way Sync Bridge
Reads your subscribed source feed and mirrors the actual events directly into your shared family or team calendar.
Universal Visibility
Events appear natively across the household—on family members' phones, lock screen widgets, and smart displays (Nest Hub, Dakboard), subject to shared calendar support on those devices.
Intelligent Reschedule Detection
When game times flex or dates change in the source feed, the sync engine updates existing events in place with zero duplicates.
100% Serverless & Private
Runs directly inside Google Workspace. Your schedule never touches an external server or database.

Everything You Need for Effortless Sync

Designed for power users, families, and teams who need reliable, automatic event synchronization inside the Google Workspace ecosystem.

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Background Cloud Sync Pro

Once configured, triggers execute directly on Google's cloud servers. Syncs run automatically up to 4x/day without requiring your phone or computer to be online.

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Native Sidebar Integration

Appears natively in the Google Calendar side panel on desktop web, allowing you to configure sync settings alongside your actual schedule.

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Smart Duplicate Prevention

Uses native event metadata to recognize changed events. Synced updates overwrite existing events without cluttering your agenda with duplicates.

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One-Way Source Protection

Perfect for sports schedules, school events, holidays, or business needs. Changes flow automatically to shared calendar users without the need to individually subscribe to published calendars.

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100% Serverless & Secure

Your calendar data never travels to third-party databases. The entire add-on executes directly in Google Apps Script inside Google's secure infrastructure.

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1-Click Workspace Setup

Install directly from the Google Workspace Marketplace. No external logins, API key management, or complex scripting configuration needed.

Keep Your Shared Calendar Up-to-Date

Install the add-on from the Google Workspace Marketplace and configure your first synchronization feed in under two minutes.