The 5 Best Event Attendee Sharing & Advocacy Tools in 2026
By Attendir Team
Your attendees have networks. The right tool turns those networks into your most effective marketing channel — peer-to-peer sharing that drives registrations without ad spend.
But the category is fragmented. Some tools cost $18,000+/year and require enterprise onboarding. Others are broad social platforms that bolt on event features as an afterthought.
This guide compares the 5 dedicated event attendee sharing and advocacy platforms available in 2026 — what each does best, what it costs, and who it's built for.
What Is an Event Attendee Sharing Tool?
An attendee sharing tool (also called an attendee advocacy platform) lets event organizers create branded content — sharing cards, social posts, or landing pages — that registered attendees can share with their professional networks.
The goal: turn every attendee into a promoter. Instead of the organizer pushing ads, attendees share personalized content with their connections, generating organic reach and peer-referred registrations.
Key capabilities to look for:
- Branded sharing cards — customizable templates with attendee name + event branding
- LinkedIn optimization — purpose-built for the platform where B2B professionals spend time
- Integration with ticketing — Eventbrite, Cvent, Bizzabo, Luma connections
- Analytics & attribution — track shares, clicks, and registrations per advocate
- Self-serve setup — launch in minutes, not weeks
- Transparent pricing — know what you'll pay before you buy
1. Attendir — Best for LinkedIn-Focused Event Sharing
Starting price: €390/month (Lite) | €990/month (Unlimited) Free trial: 7 days, no credit card required Best for: B2B events, conferences, and tech summits where LinkedIn is the primary channel
Attendir is purpose-built for LinkedIn event sharing. Organizers create branded sharing cards that attendees customize with their name and photo, then share to LinkedIn with one click. Each post appears as a personal endorsement — not a corporate ad — in the attendee's feed.
Key Features
- Branded LinkedIn sharing cards with attendee personalization
- One-click sharing flow (no app download required)
- Direct integrations with Eventbrite, Luma, Cvent, and Bizzabo
- Auto-email campaigns triggered by registration
- Tracked landing pages with share attribution
- Speaker and sponsor advocacy campaigns
- Embeddable share widget for event websites
- Raffle/giveaway system to incentivize sharing
Strengths
- Purpose-built for LinkedIn's feed algorithm
- Self-serve setup in under 10 minutes
- Transparent pricing with no hidden fees
- 7-day reverse trial (full access, then choose a plan)
Limitations
- LinkedIn-first (not multi-channel yet)
- Newer platform (launched 2025)
Who Should Choose Attendir
B2B event organizers who want affordable, LinkedIn-focused attendee sharing without enterprise onboarding or sales calls.
2. Gleanin — Best for Multi-Channel Community Marketing
Starting price: $459/month (Essential) | $1,539/month (Pro) Free trial: 14 days Best for: Large events needing multi-channel sharing across LinkedIn, Twitter, Facebook, email, and WhatsApp
Gleanin is a community marketing platform that turns attendees, speakers, sponsors, and exhibitors into advocates across 17+ social channels. It offers deeper analytics and multi-channel distribution than LinkedIn-only tools.
Key Features
- 17+ sharing channels (LinkedIn, Twitter, Facebook, email, WhatsApp, and more)
- Pre-event, during-event, and post-event campaign workflows
- Speaker and exhibitor advocacy modules
- Advanced analytics with ROI attribution
- API access (Pro plan)
- White-label options (Enterprise)
Strengths
- Broadest channel support in the category
- Mature platform with enterprise track record
- Detailed reporting and analytics
Limitations
- Expensive — $459/month minimum, Pro is $1,539/month
- More complex setup and onboarding
- Enterprise-oriented, less suited for small events
Who Should Choose Gleanin
Enterprise event teams running large, multi-channel advocacy campaigns who need granular analytics and don't mind higher costs.
3. Snoball — Best for Referral-Based Event Marketing
Starting price: Custom pricing (demo required) Free trial: No public trial Best for: Organizations that want attendee referral tracking tied to email campaigns
Snoball focuses on turning word-of-mouth into measurable referral campaigns. Rather than social sharing cards, Snoball emphasizes email-based referral tracking — each advocate gets a unique link, and referrals are tracked through to registration.
Key Features
- Unique referral link generation per advocate
- Email campaign builder with referral tracking
- Leaderboard and gamification features
- CRM integrations (Salesforce, HubSpot)
- Referral attribution and ROI reporting
Strengths
- Strong referral tracking and attribution
- Email-centric approach works for audiences less active on social
- Gamification drives engagement
Limitations
- No public pricing (requires sales demo)
- Less focus on social sharing cards
- Smaller team and less frequent product updates
Who Should Choose Snoball
Event teams that prioritize email-based referral tracking over social media sharing.
4. InGo — Best for Enterprise Attendee Networking (Legacy)
Starting price: ~$18,000+/year (enterprise contracts) Free trial: No Best for: Large enterprise events with budget for premium attendee engagement
InGo pioneered the event advocacy space with social-powered registration pages that show attendees which of their LinkedIn connections are also attending. Their "social proof" approach focuses on showing connections rather than generating shares.
Key Features
- "Who's Going" social proof widgets
- LinkedIn connection matching for attendees
- AI-powered personalization
- Enterprise-grade security and compliance
- Custom integrations
Strengths
- Pioneer in the space with established brand
- Strong "who's attending" social proof feature
- Enterprise compliance (SOC 2, GDPR)
Limitations
- Very expensive ($18,000+/year)
- Showing signs of market pressure (domain was listed for sale at $3,295 in early 2026)
- Requires enterprise onboarding
- Less focus on active sharing, more on passive social proof
Who Should Choose InGo
Enterprise organizations with large budgets who want attendee networking features alongside social proof. Be aware of potential business continuity risks.
5. Premagic — Best for Event Photo Sharing & Post-Event Content
Starting price: Custom pricing Free trial: Available for select events Best for: Events that want attendees to share branded photos and post-event galleries
Premagic won the Event Technology Awards 2025 for its AI-powered event photography and sharing platform. Rather than pre-event advocacy, Premagic focuses on during-event and post-event photo sharing — attendees receive branded photos via facial recognition and share them on social media.
Key Features
- AI-powered facial recognition for photo delivery
- Branded photo galleries with sponsor overlays
- Real-time photo sharing during events
- Social media distribution tools
- Post-event marketing asset generation
Strengths
- Award-winning technology (Event Tech Awards 2025)
- Unique photo-first approach
- Strong during-event and post-event engagement
- Visual content performs well on social media
Limitations
- Requires professional event photography
- Less focus on pre-event registration driving
- Custom pricing with no public rates
Who Should Choose Premagic
Event organizers who want to maximize post-event social sharing through branded photography and visual content.
Side-by-Side Comparison
| Feature | Attendir | Gleanin | Snoball | InGo | Premagic |
|---|---|---|---|---|---|
| Starting Price | €390/mo | $459/mo | Custom | ~$18K/yr | Custom |
| Free Trial | 7 days | 14 days | No | No | Limited |
| LinkedIn Sharing | Core focus | One of 17+ channels | Via links | Social proof | Photo sharing |
| Self-Serve Setup | Yes | No | No | No | No |
| Ticketing Integrations | Eventbrite, Luma, Cvent, Bizzabo | Various | CRM-focused | Enterprise | Photography |
| Speaker/Sponsor Campaigns | Yes | Yes | No | Yes | No |
| Analytics | Share & click tracking | Advanced ROI | Referral tracking | Enterprise | Photo engagement |
| Best For | B2B LinkedIn events | Multi-channel enterprise | Email referrals | Enterprise networking | Photo-driven events |
How to Choose the Right Tool
Choose Attendir if your audience is on LinkedIn and you want affordable, self-serve attendee sharing that launches in minutes.
Choose Gleanin if you run large events and need multi-channel advocacy across 17+ platforms with advanced analytics.
Choose Snoball if your audience responds better to email referrals than social sharing.
Choose InGo if you have enterprise budget and want "who's attending" social proof features (but consider business continuity risks).
Choose Premagic if your events are photography-heavy and you want attendees sharing branded photos during and after the event.
The Bottom Line
The event attendee sharing category is maturing fast. In 2024, most options required enterprise contracts and months of onboarding. In 2026, self-serve tools like Attendir make attendee advocacy accessible to events of any size.
The math is simple: if 200 attendees each have 500 LinkedIn connections, one sharing campaign puts your event in front of 100,000 professionals — organically, through peer trust, at a fraction of paid ad costs.
The question isn't whether to use an attendee sharing tool. It's which one fits your channels, budget, and timeline.