Eventsize vs. Who's In? Comparison


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About A super simple events ticketing & RSVP solution for organizers. We understand that managing an event is hard. We try to make it simpler by automating tedious processes like attendee registrations (RSVP), payments, reminders, and check-ins. Here's what makes it great: 1. Sell tickets quickly and via multiple payment methods (Cards, Online Banking, E-Wallets, and more) 2. Send out auto-reminders to attendees via WhatsApp, email, and SMS. (Guaranteed attendee reach) 3. Community-building (followers) tools and automated notifications of future events 4. Powerful reporting and analytics. 5. Subscription tools to sustain your community If you're an event organizer hoping to automate your planning process, grow your community, and increase profitability, Eventsize is perfect for events of all sizes.	About Who’s In? is a simple event planning platform designed to replace chaotic group chats with one streamlined RSVP link. Organizers can create a free event in about 90 seconds and instantly share it via WhatsApp, Instagram, or QR code. Guests tap “I’m In” without needing an account, and attendee lists update in real time. Automatic waitlists handle capacity limits and promote guests seamlessly when spots open. Built-in email reminders reduce no-shows while QR check-in makes door management easy, even offline. For paid events, Stripe integration allows secure ticket collection and automated payouts. With optional Pro features like recurring events, memberships, analytics, and custom branding, Who’s In? scales effortlessly from casual meetups to professional gatherings.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Supported iPhone Supported iPad Supported Android Supported Chromebook Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Event Organizers, Businesses, Event Attendees, Trainers	Audience Class teachers, clubs, community events - any event where you need an RSVP
Support Phone Support Supported 24/7 Live Support Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Supported Online Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos No images available	Screenshots and Videos No images available
Pricing 4.9% + $0.49 per ticket sold 4.9% + $0.49 per ticket. Flat fees vary depending on country. Free Version Supported Free Trial Supported	Pricing No information available. Free Version Supported Free Trial Supported
Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software
Pros & Cons from Real Users Pros Lots of payment options. Easy to use. WhatsApp integration is a plus point. Love the dashboard and how it provides detailed granular data on where my participants are coming from. Simplified ticketing done right, hassle-free and efficient!" I love that i can receive WhatsApp reminders too! Cons Some events that are sold out are still displayed on the site. A flawless ticketing platform with zero drawbacks, all-inclusive!"
Training Documentation Supported Webinars Supported Live Online Supported In Person Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Eventsize Founded: 2023 Malaysia eventsize.com	Company Information Who's In? Founded: 2026 United Kingdom whos-in.app
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Flock Eventing Platform View All	Guestsnow View All
Categories Registration Supported Ticketing Supported	Categories Event Management Supported
Show More Features Registration Features Activity Registration Supported Attendance Management Supported Badge Management Supported Calendar Management Supported Class Registration Supported Contact Management Supported Event Registration Supported Form Builder Supported Group Registration Supported Marketing Management Supported Online Registration Supported Onsite Registration Supported Payment Processing Supported Refund Automation Supported Self Check-In Supported Surveys & Feedback Supported Ticketing Features Barcode / Ticket Scanning Supported Box Office Management Supported Concessions Management Supported Customer Database Supported Event Management Supported Fundraising Management Supported General Admission Supported Kiosk Ticketing Supported Mobile Ticketing Supported Online Ticketing Supported Onsite Ticketing Supported POS Supported Print-at-Home Supported Reserved Seating Supported Season Tickets Supported Ticket Brokering Supported VIP & Discount Tickets Supported
Integrations Facebook Ads Supported Firebase Supported Google Analytics Supported Instagram Supported Instagram Ads Supported Meta Ads Supported PayPal Supported Stripe Supported TikTok Ads Supported X (Twitter) Supported View All 10 Integrations	Integrations Facebook Ads Not Supported Firebase Not Supported Google Analytics Not Supported Instagram Not Supported Instagram Ads Not Supported Meta Ads Not Supported PayPal Not Supported Stripe Not Supported TikTok Ads Not Supported X (Twitter) Not Supported
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