One Tool. Every Use Case. Infinite Calendar Invites.
From webinars to enterprise all-hands, Let's Calendar sends bulk calendar invites in seconds, not hours.
- Email: [email protected]
- phone: +44 (0) 203 916 5117
Trusted by 500+ organizations worldwide
0M+
Invites sent monthly
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Organizations trust us
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Calendar platforms supported
0%
Inbox delivery rate
Use Cases
Who Uses Let's Calendar?
Any team that schedules events at scale — Let's Calendar handles it with zero manual work.
Webinar Organizers
Automatically send calendar invites the moment someone registers for your webinar. Never lose an attendee.
- Auto-invite via Zoom integration
- Personalized invite per attendee
- Recurring webinar scheduling
- RSVP tracking and follow-up
Event Organizers
Send thousands of personalized invites at once for multi-day conferences — VIP passes, session reminders.
- Bulk CSV/XLSX import for attendees
- Apple & Google Wallet event passes
- Segment VIPs, speakers, and sponsors
- Send updates instantly
Enterprise Teams
Coordinate all-hands, town halls, training sessions, and leadership briefings across thousands of employees.
- O365 & Google Workspace integration
- RBAC for teams and sub-users
- MFA security for enterprise accounts
- Unlimited campaigns & contacts
Education Sector
Universities and EdTech platforms send class invites, exam reminders, and orientation schedules to students.
- Semester-long recurring schedules
- Personalized invites per student
- Multi-timezone support for online classes
- Zoom compatible
Marketing Teams
Block calendars during product launches and live demos. Embed "Add to Calendar" buttons in email campaigns.
- "Add to Calendar" button embedding
- CRM sync via Zapier
- Schedule-send for optimal timing
- Campaign performance analytics
Sports Promoters
Send match reminders, ticket confirmation events, and live stream links directly to fans' calendars.
- Bulk fan outreach via calendar
- Apple & Google Wallet ticket passes
- Location-aware event reminders
- Event rescheduling in one click
HR & Recruitment
Schedule interviews, onboarding, compliance trainings, and reviews across your entire workforce seamlessly.
- Interview invites auto-personalized
- Onboarding batch scheduling
- Update & cancel with one click
- Audit logs and activity monitoring
Government Sector
Notify citizens and stakeholders about public hearings, policy briefings, and community events securely.
- GDPR & CAN-SPAM compliant
- AES-256 data encryption protocols
- Regional data storage options
- Secure sub-user access control
Media & Creators
Remind subscribers about live streams, podcasts, or newsletter drops directly on their native device calendars.
- "Add to Calendar" link embedding
- Recurring weekly/monthly events
- Zapier integration with CMS tools
- Personalized attendee updates
Deep Dive
Built for Large-Scale Events
Whether you have 100 or 100,000 attendees, Let's Calendar handles it without breaking a sweat.
Virtual & Hybrid Events
For online events that span multiple timezones and platforms — Let's Calendar detects timezone, personalizes the invite time, and sends links for Zoom, Teams, Meet, GoTo, or any platform you use.
Physical Conferences
Add location via Google Maps, generate Apple & Google Wallet passes with QR codes, and keep attendees informed with instant updates and cancellation notifications — all from one dashboard.
Real Customers
Trusted by Industry Leaders
See how organizations across sectors are using Let's Calendar to drive attendance and save time.
"Let's Calendar transformed how we schedule all-hands and leadership briefings across our global teams. What used to take hours now takes minutes."
70% time saved on internal meeting scheduling
"We run premium executive conferences across Europe. Let's Calendar lets us send thousands of personalized session invites across Google, Outlook, and Apple calendars."
45% attendance uplift at flagship conferences
"Our webinar registrations go straight into Let's Calendar via Zapier. Every registrant gets a calendar invite automatically — no manual work, ever."
100% automated invite delivery pipeline
"Incisive Media runs high-profile finance and risk events. Let's Calendar ensures our delegates never miss a session with timely, professional calendar invites."
38% session fills across breakout tracks
"We run high-energy sales training sessions for thousands of business owners. Let's Calendar ensures every participant gets on the calendar before the event goes live."
55% show rate on live training events
"With teams across 160 countries, Geodis relies on Let's Calendar to synchronize operational briefings and compliance trainings globally — without timezone chaos."
160 countries reached from one dashboard
"Let's Calendar transformed how we schedule all-hands and leadership briefings across our global teams. What used to take hours now takes minutes."
70% time saved on internal meeting scheduling
"We run premium executive conferences across Europe. Let's Calendar lets us send thousands of personalized session invites across Google, Outlook, and Apple calendars."
45% attendance uplift at flagship conferences
"Our webinar registrations go straight into Let's Calendar via Zapier. Every registrant gets a calendar invite automatically — no manual work, ever."
100% automated invite delivery pipeline
How It Works
From Setup to Sent in 4 Steps
No developers, no complexity. Anyone can send thousands of calendar invites in under 10 minutes.
01
Connect Your Account
Sign in with Gmail or O365 in one click. Your existing email identity sends the invites — fully authenticated.
02
Create Your Event
Add event details, location or meeting link, personalization fields, and configure recurring options if needed.
03
Import Attendees
Upload a CSV or XLSX file, sync from Zoom, or connect via Zapier. Add contacts instantly.
04
Send & Track
Send now or schedule for later. Monitor accepts, declines, and delivery logs in real-time from your dashboard.
Industries
Every Industry Has a Use Case
Let's Calendar serves organizations across sectors — wherever there's a meeting, there's a use case.
Events & Conferences
Bulk attendee invitesTechnology & IT
Webinars & demosEducation
Classes & examsEnterprises
All-hands & townhallsNews & Media
Press briefingsSports & Live Events
Fan remindersPublic Sector
Staff notificationsSMBs & SMEs
Client workshopsLive Streamers
Audience reminders
Why Let's Calendar
How We Compare to Manual Methods
See why teams choose Let's Calendar over sending invites one by one or using clunky workarounds.
| Capability |
Let's Calendar
✦ Recommended
|
Manual Outlook / Gmail | Generic Email Tools |
|---|---|---|---|
| Send to 1000+ attendees at once | |||
| Invites land in calendar directly | |||
| Personalization per attendee | Partial | ||
| Zoom / Zapier automation | |||
| Apple & Google Wallet passes | |||
| Update or cancel all invites in bulk | |||
| RSVP & delivery tracking | Basic | ||
| Multi-calendar platform support | Limited |
Send to 1000+ attendees at once
Let's Calendar ✦ Best
Manual Outlook / Gmail
Generic Email Tools
Invites land in calendar directly
Let's Calendar ✦ Best
Manual Outlook / Gmail
Generic Email Tools
Personalization per attendee
Let's Calendar ✦ Best
Manual Outlook / Gmail
Generic Email ToolsPartial
Zoom / Zapier automation
Let's Calendar ✦ Best
Manual Outlook / Gmail
Generic Email Tools
Apple & Google Wallet passes
Let's Calendar ✦ Best
Manual Outlook / Gmail
Generic Email Tools
Update or cancel all invites in bulk
Let's Calendar ✦ Best
Manual Outlook / Gmail
Generic Email Tools
RSVP & delivery tracking
Let's Calendar ✦ Best
Manual Outlook / GmailBasic
Generic Email Tools
Multi-calendar platform support
Let's Calendar ✦ Best
Manual Outlook / GmailLimited
Generic Email Tools
Integrations
Works With Your Existing Stack
Let's Calendar plugs into the tools you already use — no migration needed.
Google Calendar
Outlook / O365
Apple Calendar
Zoom
Zapier
Pabbly
SendGrid
REST API
Testimonials
What Our Customers Say
★★★★★
We used to spend 3 hours manually sending event invites before each conference. With Let's Calendar, it's done in 5 minutes. The automation is exactly what we needed.
★★★★★
The Zoom integration is a game-changer. Every new webinar registrant gets a professional calendar invite automatically. Our show-up rate went up significantly.
★★★★★
As a global logistics company, coordinating meetings across 160+ countries was a nightmare. Let's Calendar handles timezones and bulk invites flawlessly. Highly recommend.
FAQ
Frequently Asked Questions
Absolutely. You can add a Google Maps location to any invite, generate Apple and Google Wallet passes, and send location-based reminders to attendees.
Absolutely. You can add a Google Maps location to any invite, generate Apple and Google Wallet passes, and send location-based reminders to attendees.
Connect your Zoom account, and every time a user registers for your webinar or meeting, Let's Calendar automatically sends them a personalized calendar invite.
Yes. Use dynamic fields to personalize the subject line, calendar description, and email body per attendee — great for differentiating VIPs, speakers, and general attendees.
No. Let's Calendar supports unlimited contacts per campaign and unlimited campaigns. Scale to tens of thousands of attendees with no restrictions.
With a single click, send event updates or cancellations to all contacts. Their calendar entries are automatically updated — no need to re-send everything manually.
Yes. Let's Calendar is fully GDPR and CAN-SPAM compliant, with AES-256 encryption, unsubscribe management, regional data storage, and no third-party contact access.
Yes. Add sub-users with role-based access control (RBAC), monitor activity logs, and manage all campaigns from a shared organization dashboard.
Ready to Fill Your Calendar and Boost Attendance?
Join 500+ organizations sending smarter calendar invites with Let's Calendar.
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