Stop endless back-and-forth messages. Get everyone's availability instantly with our innovative "inverse scheduling" approach.
The smarter approach to group event scheduling that saves time and reduces frustration.
No more endless back-and-forth messages. Find the perfect dates in minutes, not days.
See everyone's availability at once and find dates that work for the maximum number of people.
No registration required. Your data is secure and we never share your information.
Set your event name and select a date range when it could happen.
Send the unique link to all participants. No accounts or sign-ups required.
People mark when they're not available. You instantly see which dates work best.
"Inverse Doodle" - Instead of asking "when are you free?", ask "when are you NOT free?". People find it much easier to mark their busy days!
From small family gatherings to large corporate events
Team retreats, quarterly meetings, training sessions
Reunions, holidays, celebrations, vacations
Ski weekends, beach trips, adventure tours
Parties, workshops, hobby group meetings
Everything you need to know about WhenNOT event scheduling
WhenNOT uses "inverse scheduling" - instead of asking when people are available, we ask when they're not available. This approach is much faster because people find it easier to mark their busy days than to commit to specific availability.
It's perfect for multi-day events like retreats, vacations, or conferences where you need flexible date ranges rather than specific time slots.
Yes, WhenNOT is completely free to use with no hidden costs, premium plans, or limitations. You can create unlimited events and invite unlimited participants.
We believe event planning should be accessible to everyone, whether you're organizing a small family gathering or a large corporate retreat.
No registration required! Participants simply click your shared link and mark their unavailable dates. They only need to provide their name and optionally an email address.
This makes it incredibly easy for people to participate without any barriers or signup friction.
WhenNOT is perfect for multi-day events where you need flexible date ranges:
If you're trying to find a time that works for multiple people over several days or weeks, WhenNOT is your perfect solution.
Your privacy and security are our top priorities. We use industry-standard encryption and never share your personal information with third parties.
Event data is only accessible via the unique link you share, and you maintain full control over who can access your event planning information.
Join thousands of organizers who have simplified their event planning with WhenNOT.