Organise Community Events Across Buenos Aires Effortlessly
Free RSVP app designed for porteño community organisers. Manage yoga classes, running groups, and social events from Palermo to San Telmo.
Buenos Aires thrives on its vibrant community culture, from sunrise yoga sessions in Parque Tres de Febrero to running clubs along the Costanera Sur, and weekly mate circles in Palermo Soho. Whether you're organizing tango workshops in San Telmo or book clubs in Recoleta's cozy cafés, managing RSVPs across this sprawling city requires a simple, reliable solution that works as smoothly as a porteño Sunday asado.
The challenges Buenos Aires organisers face
WhatsApp Groups Out of Control
Stop losing RSVPs in endless WhatsApp threads. Keep your Palermo yoga class or Belgrano running group organized without the chaos of group chat notifications.
Last-Minute Cancellations
Porteños love spontaneity, but no-shows hurt. Get accurate headcounts for your events whether it's a rooftop meditation session or a Costanera run.
Managing Multiple Barrios
Running events across Palermo, Recoleta, and Villa Crespo? Keep all your community groups organized in one place, not scattered across platforms.
Every type of Buenos Aires event
From weekly yoga to one-off dinners — Who's In handles it all.
Yoga & Fitness
Book Clubs
Running Groups
Asado & Supper Clubs
Game Nights
Creative Workshops
Built for Buenos Aires community organisers
- One-tap RSVP — no app download required
- Instant WhatsApp & iMessage sharing
- Automatic waitlist when capacity is reached
- Real-time attendance tracking
- Free for up to unlimited free events
- Works perfectly on mobile
- Unlimited free events
- Unlimited attendees
- RSVP link sharing
- Attendance tracking
- Waitlist management
- No ads, no spam
Popular activities in Buenos Aires
Find the perfect group for your favourite activity.
Frequently asked questions
Is Who's In free for Buenos Aires organisers?
Yes! Who's In is completely free for community organisers in Buenos Aires. Create unlimited events, manage RSVPs, and coordinate your yoga classes, running groups, or social gatherings without any cost.
Does Who's In work across different Buenos Aires neighbourhoods?
Absolutely. Whether you're organizing events in Palermo, San Telmo, Recoleta, Belgrano, or Villa Crespo, you can manage all your groups and locations from one simple dashboard.
Can participants RSVP without downloading an app?
Yes! Your community members can RSVP directly through their browser—no app download required. Perfect for reaching porteños who prefer simple, quick solutions.
Is Who's In available in Spanish?
Who's In works seamlessly for Spanish-speaking organisers and participants in Buenos Aires. The interface is intuitive and accessible for your local community.
Start organising your Buenos Aires events for free
Join community organisers across Palermo, Recoleta, and beyond using Who's In today.