Mixily VS Swell Fundraising
Mixily and Swell Fundraising both help you manage events and sell tickets, but they charge fees that reduce your fundraising impact. Zeffy gives you complete event management, donation forms, and ticketing — all with zero fees so every dollar from your events stays with your mission.
Zeffy is trusted by 50,000+ nonprofits
Mixily VS Swell Fundraising
Zeffy is 100% free, always.
Why choose Zeffy over Mixily and Swell Fundraising if you're a nonprofit
🤝
Keep 100% of your event proceeds
Mixily and Swell Fundraising charge 5% platform fees plus processing costs. Zeffy charges zero fees, so your gala or 5K actually raises money for your mission.
🌱
Get real donor management, not just attendee lists
Event platforms track attendees, not relationships. Zeffy includes donor stewardship tools so you can follow up with supporters and build lasting connections.
🎟️
Run raffles and auctions without extra tools
Other platforms make you use separate tools for raffles and auctions. Zeffy handles everything in one place, from ticket sales to basket bidding to winner notifications.
Frequently asked questions
Why choose Zeffy over event management platforms like Mixily and Swell?
Event platforms charge 5% platform fees plus processing costs that eat into your fundraising. Zeffy keeps 100% of donations with zero platform fees, so more money goes directly to your mission.
Can Zeffy handle more than just events like other platforms?
Unlike event-focused platforms, Zeffy offers complete fundraising tools: online donations, peer-to-peer campaigns, auctions, raffles, and membership management all in one place without fees.
How does Zeffy's support compare to event management platforms?
While event platforms offer tiered support based on paid plans, Zeffy provides unlimited phone and email support to all users at no cost, helping you succeed without extra charges.
How does Zeffy's zero-fee model compare to event platforms that charge fees?
Event platforms like Mixily and Swell charge 5% platform fees plus 2.9% processing costs on every transaction. Zeffy eliminates platform fees entirely, keeping 100% of your donations and ticket sales for your cause.
Why choose Zeffy over specialized event management platforms?
Event platforms focus only on ticketing and registration. Zeffy gives you complete fundraising tools: events, donations, auctions, raffles, and memberships all in one platform without any fees eating into your budget.
Keep comparing — and see why nonprofits choose Zeffy
Related content
Zeffy was built for nonprofits like yours
focus on what matters
Built for small teams with big missions.
Zeffy is the fundraising platform that cuts out the fees, clears up your tech mess, and puts your cause first — so your team, even if you're a small team wearing many hats or a one-person show, can focus on what really matters.
ZERO-FEE
Keep 100% of every dollar.
No platform fees. No processing fees. No catch. We know it sounds too good to be true, but it's not. Every penny goes straight to your mission, while competitors take 2-3% off every donation.
ALL-IN-ONE PLatform
Ditch the tech mess.
Stop bouncing between MailChimp, Eventbrite, and all those spreadsheets. Now you can handle donations, ticket sales, memberships, raffles, and all your donor info in one spot.
plug-and-play
Get going, fast.
Built for teams like yours — whether you're volunteer-led or have limited staff. Set up donation forms, sell tickets, and launch campaigns without needing a tech wizard. It's super easy, and you'll be up and running in minutes.
mobile-first
Fundraise from every device, anywhere.
From QR codes on flyers to Tap-to-Pay on a phone, Zeffy makes it easy to accept donations on the go. Mobile-optimized and offline-ready, so no donor slips through the cracks.
No turnover
Never lose a donor to volunteer transition.
Centralize supporter relationships, automate thank-you messages, and preserve institutional knowledge when board members rotate out.
50,000+ nonprofits trust Zeffy — and keep their fees at $0.
For 7+ years, Zeffy has supported nonprofits with free, user-friendly fundraising tools.
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As a startup nonprofit with only two members, and no funding (yet) we’d need something with low (or no) fees. Zeffy was a dream come true.
Masey, Loose Ends.
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Zero-fee fundraising in action — nonprofit stories worth sharing.
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