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About

Ostivities platform is an all-in-one event management and ticketing system designed to help organizers plan, promote, sell tickets for, and run events, whether physical or virtual, through a single, unified interface. It enables the creation of events with full control over ticketing, guest registration, and attendee management, while supporting vendor coordination, speaker lineups, breakout sessions, and recurring events. Organizers can brand event pages with custom themes, control ticket visibility (for example, limiting early-access or premium tiers), and send direct messages to guests via a built-in guest email feature. It simplifies the check-in process by allowing QR-code-based ticket scanning and validation, letting staff check tickets quickly and efficiently. Ostivities also includes features for managing vendors and vendor applications, processing payments through trusted payment systems, and automating approvals or payouts.

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 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

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 needing a solution to manage everything from ticket sales and vendor coordination to scheduling, attendee check-in, and communication

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 Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Supported
Free Trial Supported

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

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

Training

Documentation Supported
Webinars Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Ostivities
Founded: 2024
United States
www.ostivities.com

Company Information

Who's In?
Founded: 2026
United Kingdom
whos-in.app

Alternatives

Alternatives

YepDesk

YepDesk

AOT Technologies
Radius

Radius

Radius.to

Categories

Event Management Supported
Ticketing Supported

Categories

Event Management Supported

Integrations

Google Cloud Platform Supported
Microsoft Outlook Supported

Integrations

Google Cloud Platform Not Supported
Microsoft Outlook Not Supported
Claim Ostivities and update features and information
Claim Ostivities and update features and information
Claim Who's In? and update features and information
Claim Who's In? and update features and information