Compare RSVP Tools
The Free RSVP Tool That Scales
Start with a free link. Add waitlists, payments, and recurring schedules when you need them. See how Who's In compares to every alternative.
| Feature | Who's InFree forever | Eventbrite $1-2 per RSVP | Mindbody $129/month | Partiful Free (with ads) |
|---|---|---|---|---|
Price | Free forever | $1-2 per RSVP | $129/month | Free (ads) |
AI Agent ReadyNEW | ||||
No app required | ||||
WhatsApp integration | ||||
Automatic reminders | ||||
Unlimited events | ||||
Guest limit | Unlimited | Unlimited | 50/class | Unlimited |
Slack/Teams integration | ||||
No ads | ||||
Analytics & insights | ||||
Setup time | 60 seconds | 10 minutes | 30 minutes | 2 minutes |
AI Agent Ready
NEWWho's In? is the first and only RSVP platform built for the AI-powered future. Your events are automatically discoverable by ChatGPT, Claude, Gemini, and other AI assistants.
200M+ ChatGPT users can find your events
Works with all major AI assistants
Zero extra work required
$1,200/year
Eventbrite fees for a yoga teacher with 100 students/month
$1 × 100 students × 12 months = $1,200 lost to fees
$1,548/year
Mindbody subscription for a small studio
$129/month × 12 months = $1,548/year
$0/year
Who's In for unlimited events and unlimited guests
Free forever. No hidden fees. Ever.
Ready to save $1,200+/year?
Join thousands of event organizers who've ditched the expensive tools
Free forever
No credit card
60-sec setup