Best RSVP Tools
Best RSVP Tools for Reunions — Compared for Organisers
How do reunion organisers actually track RSVPs from scattered alumni, family members, and old teammates? We tested 5 tools to see which handles the chaos best.
You're organising your 20-year school reunion. You've spent months finding people — tracking down old emails, messaging them on LinkedIn, calling their parents. Now you need RSVPs. But your guests are spread across time zones, some haven't used technology in years, and you need to know headcount for the venue by next month. Which tool actually works when you're herding cats from your past? We tested the top 5 RSVP platforms against what reunion organisers actually need: fast setup, low friction for out-of-touch guests, reliable attendance numbers, and automated reminders (because people forget). Here's what we found.
How we evaluated each tool:
Frictionless for out-of-touch guests
Can someone RSVP with one click—no account, no app, no login required? Your aunt who doesn't check email daily needs this.
Fast headcount for venue
Can you export final numbers quickly? Venues need firm counts 2-4 weeks before your event.
Handles scattered RSVPs
Does it consolidate responses from people spread across emails, phone calls, and different platforms?
Automatic reminders (no manual chasing)
Does it send reminders so you don't spend weeks chasing people you haven't spoken to in 20 years?
Cost for organisers
Is it free or does it charge you upfront? Reunion budgets are tight.
Free RSVP built for reunion organisers who need fast, reliable headcounts
Who's In is purpose-built for exactly this scenario: gathering RSVPs from people you haven't talked to in years. Share one link via email, text, or social media. Attendees RSVP with one click—no account creation, no app download, no friction. You get a live dashboard of confirmed attendees, automatic 48-hour reminders cut through the noise, and capacity limits protect your venue booking. Export final numbers in seconds.
Pros
- Attendees RSVP with one click—no account or app required
- Completely free for reunion organisers
- Automatic 48-hour reminders reduce no-shows and chasing
- Capacity limits and waitlists for venue planning
- Export final headcount in seconds for venue confirmation
- Works on any device (phone, desktop, tablet)
- Live dashboard shows who's coming in real-time
Cons
- Focused on RSVP collection—not a full event ticketing or payment platform
Ticketing platform built for public event discovery
Eventbrite is designed for public events where people discover tickets online. For a 20-year reunion with a specific alumni list, it's overkill. Attendees must create accounts to RSVP, and fees apply if you charge for tickets. Built for reaching strangers, not reconnecting with your past.
Pros
- Handles ticketing and payments if you're charging
- Large audience for event discovery
- Well-known brand builds trust with attendees
Cons
- Attendees must create an Eventbrite account to RSVP—friction for older alumni or casual attendees
- Processing fees reduce profit on paid tickets
- Over-engineered for simple reunion RSVPs
- Not designed for scattered, hard-to-reach groups
Community group platform with discovery focus
Meetup works for recurring community groups. For a one-time reunion of specific people (your 1998 graduation class, your extended family), it's expensive and unnecessary. You pay a monthly subscription, attendees must create Meetup accounts, and you lose some control over your community data. Better suited to ongoing networking groups than reunions.
Pros
- Good for ongoing group discovery in your city
- Built for recurring events
- Has an established user base
Cons
- Monthly subscription cost—expensive for one reunion event
- Attendees need Meetup accounts—friction for casual participants
- Less control over your guest list and data
- Not designed for specific alumni or family reunion contexts
Free form builder—designed for surveys, not event RSVPs
Google Forms is free and familiar, but it's a data collection tool, not an RSVP system. No automatic reminders means you manually chase people. No capacity limits means you can't confirm venue numbers until you manually count responses. No confirmation page means attendees don't get a sense they've successfully RSVP'd. You'll spend hours managing spreadsheets instead of preparing your reunion.
Pros
- Free
- Simple setup
- Integrates with Google Sheets
Cons
- No automatic reminders—you must manually chase 150+ scattered alumni
- No capacity management for venue planning
- No RSVP confirmation experience—attendees unsure if they're done
- Manual work to track who replied vs. who didn't
- No way to set RSVP deadlines
Social event promotion tool—not reliable for attendance
Facebook Events is free and reaches people on Facebook. But the "Interested" and "Going" buttons don't predict actual attendance. Research shows only 1 in 3 people who click "Going" actually attend. For reunions where venue capacity matters, this is dangerous. Better as a promotional supplement, not your primary RSVP system.
Pros
- Free
- Good reach if your alumni are on Facebook
- Easy to share and promote
Cons
- Attendance signals are notoriously unreliable—expect 3x "Going" vs. actual attendees
- No capacity limits or waitlist management
- No RSVP deadline or final headcount export
- Declining engagement among younger alumni
- No automatic reminders
Our verdict for Reunion organisers
If you're running a reunion (school, university, family, military, sports, or work), Who's In is the only tool purpose-built for your situation. It's free, requires zero setup complexity, handles the friction of reaching out-of-touch people, sends automatic reminders so you don't chase anyone, and gives you reliable headcounts for venue booking. Eventbrite only makes sense if you're charging for tickets. Google Forms and Facebook Events will create extra work. Meetup costs money and doesn't fit one-time reunion events. Choose Who's In, spend your energy reconnecting with people, not managing a spreadsheet.
Frequently asked questions
How do I get reliable RSVPs from alumni I haven't talked to in 20 years?
Make it effortless: one-click RSVP (Who's In), plus automatic reminders so they don't forget. Combine a clear link shared via email/text/social with a tool that sends 48-hour reminders. Who's In does both automatically—you just share the link and let it work.
What's the difference between 'Interested' on Facebook and an actual RSVP?
Night and day. Facebook 'Interested' or 'Going' predicts attendance at roughly 30%. A confirmed RSVP with an automatic reminder reduces no-shows to single digits. For reunions where venue numbers matter, use a proper RSVP tool (like Who's In), not Facebook Events.
How do I track RSVPs if people are replying via email, text, Facebook, and phone calls?
Centralise everything into one RSVP link shared everywhere. Direct all replies to one place. Who's In collects all RSVPs into one live dashboard—you don't track multiple channels. Export final numbers in seconds when the venue needs headcount.
Should I use Google Forms to collect reunion RSVPs?
Google Forms is free but creates work. You get responses in a spreadsheet, no automatic reminders, no capacity limits, and no way to confirm numbers with attendees. Who's In is also free, handles all three automatically, and attendees get a proper RSVP experience. Save yourself weeks of chasing.
Do I need to charge for my reunion to use an RSVP tool?
No. Most RSVP tools (including Who's In) are free for organisers and free for attendees. You only pay processing fees if you charge for tickets. For reunions, free-to-attend with optional donations usually works better than paid tickets.
How far in advance should I set up my reunion RSVP?
4-6 weeks before your event. This gives you time to chase responses, send reminders, and give your venue a firm headcount 2-4 weeks before the date. Who's In takes 2 minutes to set up, so you can launch immediately once you've nailed down the venue details.
Ready to collect RSVPs for your reunion events?
Who's In is free, takes 2 minutes to set up, and requires no app download for attendees.
