BiddingOwl and SchoolAuction.net help you run fundraising auctions, but they charge fees that reduce what you raise for your cause. Zeffy gives you auction tools plus donation forms, event ticketing, and donor management — all with zero fees so every dollar stays with your mission.
Zeffy is trusted by 50,000+ nonprofits


Bidding Owl VS School Auction.net


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BiddingOwl takes 5% of every winning bid and SchoolAuction.net charges $79+ per event. Zeffy charges zero fees, so your silent auction raises money for your mission instead of paying platform costs.
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BiddingOwl and SchoolAuction.net limit support to business hours only. Zeffy offers unlimited support whenever you need help setting up your auction or troubleshooting during your event.
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BiddingOwl and SchoolAuction.net only accept credit cards. Zeffy supports Apple Pay, Google Pay, ACH transfers, and tap-to-pay, making it easier for bidders to participate and pay.
Zeffy offers everything auction platforms do plus much more, all at zero cost. While BiddingOwl charges 5% on winning bids and SchoolAuction.net costs $79+ per event, Zeffy lets you run auctions, sell tickets, collect donations, and manage donors without any fees eating into your funds.
Yes! Unlike auction-only platforms, Zeffy is a complete fundraising solution. Run auctions, sell event tickets, collect donations, manage memberships, send newsletters, and track donor relationships all in one place. No need for multiple tools or extra costs.
Zeffy is completely free while auction platforms charge significant fees. BiddingOwl takes 5% of every winning bid plus card fees, and SchoolAuction.net charges $79+ per event plus processing fees. With Zeffy, donors can leave voluntary contributions, but you keep 100% of what you raise.
Zeffy runs auctions just as well as BiddingOwl or SchoolAuction.net, but without the hefty fees. While they charge 5% on bids or $79+ per event, Zeffy gives you the same bidding tools plus donor management, newsletters, and payment processing at zero cost.
Unlike auction-only platforms, Zeffy grows with your organization. Start with auctions, then add ticket sales, donation campaigns, memberships, and donor communications. No need to switch platforms or pay multiple vendors as your fundraising needs expand.
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.
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.

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.
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.


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.
Centralize supporter relationships, automate thank-you messages, and preserve institutional knowledge when board members rotate out.

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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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