Buy Now opens our own checkout on this site; the payment provider is the merchant of record. You get the download right after payment. 14-day refund. Refund policy.
Coming soon. Press "Get notified" and you'll get an email when it launches. It will sell on this site, with a 14-day refund.
See it work
How Sheet ⇄ Calendar Sync Pro (Google Sheets add-on) moves through a job, step by step. The run below is an example output, written from what this agent does. It isn't a live run on your data.
Sample input
A Google Sheet tab with Title and Start columns (End, All day, Location, Description, Time zone optional, Calendar, Guests)
Example output Illustration
You get:
- Google Calendar events, one per row
- Event ID, Last synced and Sync note columns in the sheet
- A hidden OA Sync log tab used for undo
What you get
Planned contents (not released yet):
The add-on code (Apps Script files) you copy into your Google Sheet
A README setup guide and a troubleshooting FAQ
A sample events sheet and the local test suite
What it does
Google Calendar events, one per row
Event ID, Last synced and Sync note columns in the sheet
A hidden OA Sync log tab used for undo
Tools and costs you'll need
Google Sheets
Google Calendar
Google Apps Script
Third-party costs are paid to those providers, not to us.
Test report
88/88 local checks with the real add-on code and stand-ins for Sheets, Calendar, settings, locks and triggers: timed, all-day and multi-day events, row time zones and DST gaps, deleted rows, edits both ways, conflicts, bad dates, rate limits and daily quota, crash re-runs, preview, undo. Not tested yet on a live Google account or in the Workspace Marketplace (listing coming soon).
Known limits
Live demo
No live demo yet. We'll add one when it ships.
Demos use fictional businesses and data.
Start free
Try Free Claude Skills Sampler first
Two small Claude skills, free: clean a messy CSV, and check which AI crawlers can reach your site.
This is an AI agent: it uses an AI model to read, sort, score or draft. It runs in your own accounts. Anything it would send outside your business waits for your approval unless you choose otherwise, and it never needs your passwords. Our AI disclosure.
Docs and help
Setup steps, fixes and version history. The help box answers from these docs; it is not a person.
Questions about Sheet ⇄ Calendar Sync Pro (Google Sheets add-on)
What does Sheet ⇄ Calendar Sync Pro (Google Sheets add-on) do?
Two-way sync between Google Sheets rows and Google Calendar events. Preview, undo, no duplicates, automatic sync and guests. No AI. Google Calendar events, one per row. Event ID, Last synced and Sync note columns in the sheet. A hidden OA Sync log tab used for undo.
What do I need to run Sheet ⇄ Calendar Sync Pro (Google Sheets add-on)?
You need: Google Sheets; Google Calendar; Google Apps Script. Third-party costs are paid to those providers, not to us.
Is Sheet ⇄ Calendar Sync Pro (Google Sheets add-on) tested?
88/88 local checks with the real add-on code and stand-ins for Sheets, Calendar, settings, locks and triggers: timed, all-day and multi-day events, row time zones and DST gaps, deleted rows, edits both ways, conflicts, bad dates, rate limits and daily quota, crash re-runs, preview, undo. Not tested yet on a live Google account or in the Workspace Marketplace (listing coming soon).
How do I get Sheet ⇄ Calendar Sync Pro (Google Sheets add-on)?
It sells on this site for $19, one-time. When payments are open, the button on this page says "Buy Now": you pay through our checkout (the payment provider is the merchant of record) and get the download right after, with a 14-day refund. If it says "Get notified", payments aren't open yet.
Does it use AI?
No. It is plain Apps Script code. Same sheet in, same events out.
Can I get it from the Google Workspace Marketplace?
Coming soon. Until Google finishes its review, you paste the script into your sheet (about 5 minutes).
Will it make duplicate events if I run it twice?
No. Each row keeps its Event ID, so re-runs update the same event.
Where does my data go?
Only between your sheet and your Google Calendar. Nothing is sent to Oarsman AI.
What does Pro add?
No monthly limit, automatic sync every 1, 6 or 24 hours, a Guests column and a Calendar column so each row can go to its own calendar.