Stop
Start planning together.
The all-in-one app for group events. Find the best time, coordinate who brings what, and split costs — without the chaos.
“It's like Doodle, Splitwise, and a shared Google Doc had a baby.”
— Every group organizer, probably
“We used to have a 47-message group chat just to pick a date. Now it takes 30 seconds.”
— Weekend camping crew
“I finally know who's actually bringing the ice. Game changer.”
— BBQ host who's seen things
“Our poker night went from 'maybe next week?' to locked-in recurring. No excuses.”
— Friday night poker gang
“The cost splitting alone saved three friendships.”
— Annual ski trip organizer
Perfect for any group event
From poker nights to play dates, camping trips to birthday parties — if it involves a group, we've got you covered.
BBQ
Hens Night
Poker Night
Camping Trip
Play Date
Birthday Party
Game Night
House Party
Road Trip
Movie Night
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BBQ
Hens Night
Poker Night
Camping Trip
Play Date
Birthday Party
Game Night
House Party
Road Trip
Movie Night
One app. Zero chaos.
Everything your group needs to plan, coordinate, and actually pull it off
Smart Scheduling
Visual availability grid shows when everyone's free. No more endless group texts.
Shopping Lists
Track who's bringing what. Claim items, check them off — never show up with three bags of ice.
Tasks
Assignable to-do items with priorities and due dates. Know who's handling what.
Cost Splitting
Split expenses fairly. Track who paid what and settle up — no awkward conversations.
Carpool
Coordinate rides, share seats, save fuel. Drivers offer spots, riders claim them.
Activity Voting
Suggest things to do, vote on favourites. The group decides, not just the loudest voice.
Location Voting
Suggest venues, vote on the best spot. Search by address with map integration.
Group Chat
Built-in event chat. Pin important messages, keep the conversation in context.
Calendar Sync
Connect Google or Office 365. We read free/busy only — your events stay private.
Weather Forecasts
Outdoor event? See the weather forecast right on the planning page. Plan accordingly.
Recurring Events
Weekly poker night? Monthly book club? Set it once, occurrences generate automatically.
Magic Link Invites
Share a link via text, email, or QR code. No app download, no account needed to RSVP.
How it works
Create an event in 30 seconds
Name it, set the date range, done.
Invite your group
Share a link via text, email, or QR code. No app download needed.
Everyone coordinates
Mark availability, claim supplies, vote on activities.
Lock it in
Pick the best time, notify everyone, and export to calendars.
Simple, honest pricing
Start free. Pay only when you need more.
Free
forever
- 2 active events
- 8 participants per event
- Availability voting
- Location suggestions
Event Pass
per event, one-time
- Everything in Free
- All planning modules
- 25 participants
- Shopping lists & tasks
- Cost splitting
- Calendar sync
Annual
per year ($4.17/mo)
- Everything in Event Pass
- 5 events per month
- 50 participants per event
- Unlimited invitations
- Priority support
Event Pass spending counts toward Annual — spend $12 and we'll offer to upgrade you on the house.
Privacy you can trust
We built HerdingKats with privacy-first principles. Your data is yours — we just help you plan events with it.
GDPR Compliant
Full EU data rights — access, export, delete. Your data, your rules.
CCPA / CPRA Ready
California privacy rights built in. We never sell your data — period.
No Tracking
Zero analytics cookies. Zero ad trackers. We don't profile, target, or sell.
Your Data, Your Call
Export everything or delete your account anytime. We respond within 30 days.
Calendar Privacy
We only read free/busy status. Never your event titles, attendees, or details.
Stripe Payments
PCI-DSS compliant. We never see or store your card number.
Read our full Privacy Policy and Terms of Service
Frequently asked questions
Everything you need to know about HerdingKats
Ready to stop the chaos?
Create your first event in 30 seconds. Invite your group with a link. No app download, no credit card.
Free during beta · No credit card required · Works on any device