CalSync automatically copies events between Google Workspace calendars every 5 minutes — so your clients always see your real availability.
3-day free trial, then $2.99/month. Cancel anytime.
Sign in with Google and link any Workspace or personal Gmail accounts you want to sync. Secure OAuth, minimal permissions, no email access.
Pick a source and destination calendar. Choose busy-only blocks or full event details to protect client info. Hit publish.
CalSync syncs every 5 minutes. New meetings, updates, and cancellations all stay in sync — across every account.
Events copy every 5 minutes. Updates and cancellations sync too.
Choose busy-only blocks or full event details per merge.
Connect as many calendars and create as many sync rules as you need.
Smart detection prevents duplicate event chains across synced calendars.
Connect accounts, pick calendars, publish. No technical configuration.
OAuth with minimal scopes. Tokens encrypted at rest with AES-256-GCM.
Join freelancers and agency operators who trust CalSync to keep their Google Calendars in sync. Setup takes less than two minutes.
Here’s why they fall short.
You can see conflicts, but others can’t. Clients and coworkers still book over you.
Tedious, error-prone, and easy to forget — especially when meetings change or get cancelled.
Great for external bookings, but they don’t sync your internal calendars with each other.
Complex to set up, fragile, and often cost more per month than CalSync.
CalSync is purpose-built for this one job: keeping your Google Calendars in sync, automatically.
Every ranking how-to article recommends these. We’re showing you the limits.
Export an ICS file from one calendar and import it into another. Works as a one-time snapshot — uselessly fragile as an ongoing workflow. Re-imports create duplicates, and the file tops out around 2,500 events.
Grant another account view permission on your calendar. It’s an overlay in your own UI — the events never actually exist on the destination calendar, so external viewers still see you as free.
Add a calendar as a read-only subscription. Updates run on Google’s refresh schedule (12–24 hours), not yours. No two-way sync, no way to speed it up.
| Feature | ICS Import | Calendar Sharing | URL Subscription | CalSync |
|---|---|---|---|---|
| Ongoing sync | No | View only | Read only (12–24hr delay) | Every 5 min |
| Events on both calendars | One-time copy | No | No | Yes |
| Blocks time on destination | No | No | No | Yes |
| Privacy controls | None | Permission levels | None | Busy-only or full details |
| Setup time | 5–10 min | 5 min | 5 min | Under 2 min |
| Cost | Free | Free | Free | $2.99/mo |
“I manage 4 Google Workspace accounts for different clients. CalSync is the only thing that keeps me from double-booking every week.”
“Setup took me about 90 seconds. Wish I’d found this years ago instead of manually blocking time across calendars.”
“The privacy mode is perfect — my clients can see I’m busy without seeing each other’s meeting details. Exactly what I needed.”
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Why Google’s native options fall short for freelancers juggling multiple Workspaces — and how CalSync closes the gap in five-minute increments.
Freelancers and contractors who work with multiple clients often manage separate Google Workspace accounts for each one. The problem: when you accept a meeting on one calendar, your other calendars have no idea you’re busy. That leads to double-bookings, awkward rescheduling, and clients who start to question your professionalism.
Google doesn’t offer a built-in way to merge calendars across different accounts. You can view multiple calendars side by side, but that doesn’t block time or sync events between them. And there’s no native option to automatically copy events from one Google Calendar to another.
If you’ve been searching for how to merge Google Calendars without resorting to a manual export-import cycle — this is the gap CalSync was built to close.
CalSync connects all of your Google Calendar accounts and automatically copies events from one calendar to another every five minutes. When a new meeting lands on your Client A calendar, it instantly appears as a blocked time slot on your Client B calendar — and vice versa. You choose whether to copy full event details or just mark the time as “Unavailable” to keep client information private.
No manual copying. No browser extensions. No forgetting to check your other calendar before accepting a meeting. Just connect your accounts, set up a merge, and CalSync handles the rest — with AES-256-GCM encrypted token storage and calendar-event-only permissions so your data stays private.
Stop flipping between browser profiles and hoping you didn’t miss a conflict. CalSync merges your Google Calendars automatically so every account reflects your real availability.
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