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OneCause vs Zeffy: Pricing, Fees and Auction Tools Compared
OneCause is an event and auction platform priced by quote, with processing on every gift. Zeffy is free, with auctions, ticketing, raffles and a donor CRM built in.
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Zeffy VS OneCause
Pricing
Zeffy:
$
0.
OneCause: 
N/A.
Priced by quote, plus card processing from 2.0%.
Processing fees
OneCause:
2.0%+.
starting rate for cards, through Stripe or Deluxe.
Platform fees
Zeffy:
$
0.
Zeffy never takes a cut. You keep 100% of every donation.
OneCause:
N/A.
Pay-as-you-go option. Rate and cap not published.
Monthly fees
Zeffy:
$
0/month.
No subscriptions, no paywalls. Every org, big or small, gets full access for free.
OneCause:
N/A.
Plans priced by quote.
Other fees
Zeffy:
$
0.
We've never charged a single cent to nonprofits and we never will.
OneCause:
Peer-to-peer is a separate package.
Value for money
OneCause:
What it means
Zeffy:
Zeffy has no quote, no pay-as-you-go rate and no processing, so your gala's auction and tickets cost nothing to run.
OneCause:
OneCause is priced by quote, with a pay-as-you-go option whose rate it does not publish, and card processing from 2.0%.
Auctions & events
Zeffy:
Silent auctions, raffles, tickets and check-in, all free.
OneCause:
Built for galas: live and silent auctions, tables, sponsors and onsite staff.
Silent & online auctions
Zeffy: 
Silent and online auctions with photos, categories and sales tax per item. No platform fee, no per-item fee.
OneCause:
Silent auctions with item procurement, display sheets and Auction AI.
Mobile bidding
Zeffy:
Bidders bid from their phone with one QR code, no app or account. Auto-bid up to a maximum, and anti-sniping.
OneCause:
Mobile bidding with buy now, max bids and text-to-bid.
Outbid alerts
Zeffy:
Outbid alerts and closing reminders by email.
OneCause:
Real-time outbid and item-won notifications.
Live auctions & paddle raise
Zeffy:
No live auctioneer mode or paddle raise. Live winners can pay through a donation form or Tap to Pay.
OneCause:
Live auctions, paddles, a spotter tool and fund-a-need appeals.
Raffles
Zeffy:
Numbered digital tickets sent automatically, bundles and 50/50 thermometers. No fee on any ticket.
OneCause:
Raffles in every event plan.
Tickets & tables
Zeffy:
Multiple ticket types, group tickets for tables, discount codes and guest names after checkout.
OneCause:
Integrated ticketing, table management and online sponsorship sales.
Check-in & Tap to Pay
Zeffy:
Check-in and Tap to Pay in the free app. No card reader needed.
OneCause:
Express check-in, and OneCause Tap turns a phone into a card reader.
Event-day help
Zeffy:
Support by email and chat, with calls on request. No onsite staff.
OneCause:
Onsite and virtual event teams, and pre-event consulting.
What it means
Zeffy:
Zeffy runs silent and online auctions, raffles, tickets and check-in for free, and every bidder and guest lands in your donor CRM.
OneCause:
OneCause is built for galas, with live auctions, paddle raises and onsite staff, sold by quote.
Sources
Zeffy:
Auctions · Raffles · Ticketing · Tap to Pay
OneCause:
Event plans · Mobile bidding · OneCause Tap · Support and services
All-in-one fundraising
Zeffy:
4.8/5.
Ease of use on Capterra. Every way to raise money in one place, all free.
OneCause:
4.4/5.
Ease of use on Capterra. Event fundraising first; peer-to-peer is a separate package.
Donations
Zeffy:
Donation forms and pages with recurring giving, pledges, fund choice and automatic tax receipts. No fees.
OneCause:
Donation forms with recurring giving and matching gifts, in every event plan.
Peer-to-Peer Fundraising
Zeffy:
Personal and team pages with live leaderboards. Every donor they bring in becomes your contact.
OneCause: 
Personal fundraising pages in event plans. Full peer-to-peer is a separate package.
Online Store
Zeffy:
Sell merch with sizes and stock counts, with pick-up or shipping. Keep every dollar.
OneCause:
An online store is not publicly mentioned.
Memberships
Zeffy:
Sign-up forms, automatic renewals and reminders, and digital cards in Apple and Google Wallet. No fees on dues.
OneCause:
Memberships are not publicly mentioned.
Donor CRM
Zeffy:
A free CRM built in: every gift, ticket and bid lands on the donor's record, ready to segment and email.
OneCause:
Supporter management. A full donor CRM is not publicly mentioned.
Newsletters
Zeffy:
Email any saved list, with open, click and donation stats. Free.
OneCause:
Email campaigns are not publicly mentioned. SMS messaging in event plans.
What it means
Zeffy:
Zeffy keeps raising after the gala: donations, memberships, peer-to-peer and a store on the same free account.
OneCause:
OneCause focuses on events. Peer-to-peer is a separate package; a store, memberships and a donor CRM are not publicly mentioned.
Payment Methods
Zeffy:
Cards, wallets, ACH, DAFs and Tap to Pay. No fees, no processor to set up.
OneCause:
Cards, wallets, PayPal, Venmo, ACH and DAFs, with processing from 2.0%.
Credit Card Payments
Zeffy:
Accept all major credit cards with zero processing fees. Zeffy covers the cost, so you keep 100% of every donation.
OneCause:
From 2.0% through OneCause Payments (Stripe or Deluxe).
Apple Pay & Google Pay
Zeffy:
One-tap donations and tickets with Apple Pay & Google Pay. No fees, just smooth mobile checkouts.
OneCause:
Apple Pay and Google Pay, plus PayPal and Venmo.
ACH / Bank Transfers
Zeffy:
Accept bank transfers with zero fees. Full donation amounts go straight to your mission.
OneCause:
ACH bank payments.
Donor-Advised Funds (DAF)
Zeffy:
Accept donor-advised fund gifts of $1,000 or more, for US charities, with no fees.
OneCause:
DAF gifts.
Countries & currencies
Zeffy:
For nonprofits in the US, Canada, the UK, Ireland, Australia and Germany, paid in their local currency.
OneCause:
International currencies in peer-to-peer plans.
Tap to Pay App
Zeffy:
Anyone on your team can take payments from their phone. No card reader, no fees, no friction.
OneCause:
OneCause Tap at events turns a phone or tablet into a card reader.
What it means
Zeffy:
Zeffy charges no processing on bids, tickets or gifts, by card, wallet, ACH or Tap to Pay at the door.
OneCause:
OneCause accepts every main way to pay, with processing from 2.0% on each gift unless the donor covers it.
Sources
Zeffy:
OneCause:
Support
Zeffy:
4.9/5.
Customer service on Capterra, from 464 reviews. Email, chat and calls on request, free for every nonprofit.
OneCause:
4.8/5.
Customer service on Capterra. Phone, email and chat on weekdays, with onsite event teams.
Help Center
Zeffy:
500+ help articles and step-by-step guides, all free, all the time.
OneCause:
Knowledge base, tutorials and OneCause University.
Email Support
Zeffy:
Email us anytime. Answers within 2 to 6 business hours.
OneCause:
Email, Monday to Friday.
Phone Support
Zeffy:
Calls on request. Reach out by email or chat first and we'll set one up.
OneCause:
Phone, Monday to Friday, in every event plan.
Onboarding
Zeffy:
No training required, and we're here by email or chat if you need us.
OneCause:
A customer success manager, monthly webinars and pre-event consulting.
Community
Zeffy:
Join thousands of nonprofits sharing tips, templates, and best practices.
OneCause:
Online knowledge base and community.
What it means
Zeffy:
Zeffy support is free before and after your event: email and chat within 2 to 6 business hours, and calls on request.
OneCause:
OneCause offers weekday phone, email and chat, plus onsite event teams and consulting.
Zeffy is 100% free, always.
Run your gala and your year-round fundraising in one place
🎟️
Your gala, without the software bill
OneCause prices its event platform by quote and adds card processing from 2.0%. On Zeffy, auctions, raffles, tickets and check-in are free, and your nonprofit keeps 100% of every bid.
🤝
Turn gala guests into year-round donors
Every bidder, ticket buyer and guest lands on a donor record in Zeffy's free CRM, with their gifts and bids, ready to thank, segment and email after the event.
📆
Keep raising after the last bid
With OneCause, peer-to-peer is a separate package, and a store or memberships means another tool. On Zeffy, donations, memberships, peer-to-peer and a store live in the same free account as your gala.
What is the difference between OneCause and Zeffy?
Zeffy runs your gala and the rest of your year on one free account: silent auctions, raffles, tickets and check-in, plus donations, peer-to-peer, a store, memberships and a donor CRM, with no platform or processing fee. OneCause is an event and auction platform built for galas, sold by quote, with card processing from 2.0%. Peer-to-peer is a separate package, and a store, memberships and a donor CRM are not publicly mentioned.
Should we choose OneCause or Zeffy?
Choose Zeffy if you want to run silent auctions, raffles and ticketed events for free, with every guest in a built-in CRM and the same account for donations, memberships and a store all year.
Choose OneCause if your gala relies on a live auctioneer, paddle raises and fund-a-need, or you want onsite event staff, and you have the budget for a plan priced by quote.
How much does OneCause cost?
OneCause does not publish its prices. Its event plans are priced by quote:
- Professional: pay-as-you-go, with a cap. The rate and the cap are not published.
- Enterprise and Nationals: custom quote.
- Card processing from 2.0% per gift, through Stripe or Deluxe, unless the donor covers it.
- Peer-to-peer and Text2Give: separate packages.
With Zeffy, there is no subscription, no platform fee and no processing fee: see how Zeffy is free. Source: onecause.com, October 2026.
Can Zeffy run a silent auction with mobile bidding for our gala?
Yes. Bidders scan one QR code and bid from their phone, with no app or account. Zeffy handles auto-bid up to a maximum, anti-sniping, outbid alerts and closing reminders by email, and sales tax per item. Tickets, tables, raffles, check-in and Tap to Pay run in the same free account. Zeffy has no live auctioneer mode or paddle raise: live auction winners can pay through a donation form or Tap to Pay.
What does OneCause offer that Zeffy doesn't?
OneCause runs live auctions with paddles and a spotter tool, fund-a-need appeals, Buy Now and text-to-bid, and Auction AI. It also sells Text2Give, offers onsite and virtual event teams, and invoices sponsorships on its Enterprise plan. Zeffy does not offer these today.
What are OneCause's processing fees?
OneCause publishes card rates starting at 2.0% per gift, through OneCause Payments with Stripe or Deluxe. Donors can choose to cover the fee. If they don't, your nonprofit pays it. With Zeffy, there is no processing fee on any payment, and the donor's optional contribution never comes out of your donation.
Is Zeffy only for small nonprofits?
No. Zeffy is one free plan for every nonprofit, with auctions, tickets, donations and the CRM included. There is no plan to outgrow and no fee that grows with your events.
Is Zeffy really free?
Yes. There is no quote and no processing fee: Zeffy charges your nonprofit nothing for auctions, tickets or gifts. Bidders and donors can leave an optional contribution to Zeffy, and it never comes out of your proceeds. See how Zeffy is free.
Still undecided?
Keep comparing — and see why nonprofits choose Zeffy
100,000+ 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.
Read the full story
“We were incurring a ton of fees for our past fundraising platform and Zeffy has helped us receive so much more of our donations.”
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Amy R
Rebuilding Together Metro Chicago
Zeffy has been invaluable in helping me track our donors, sales, events, and revenue in one spot. The coolest thing about Zeffy is it really is free!
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Debra B
Glory to Glory Women's Mentoring Ministry
Everything about Zeffy suits us starting with (of course, NO fees) but also the ease of use and customer experience as well as their client support!!
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Carmen M
DIVINA World Foundation
Zeffy is very easy to use and ensures that every dollar quickly gets into our account.. A huge help to our work!
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Nathan C
Jiwa International
Zeffy is very simple, allows for a lot of customization and seamlessly integrates into our website. The fact that all of this is free is still wild to me.
Ryan S
Jesters Theatre: Youth Unlimited
We couldn't believe there was a free payment platform for our Girl Scout group. Zeffy took ZERO fees from us, which is huge when you run on very small amounts of money.
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Jennifer H
GSCB Troop 144
We were ready to sell tickets in less than 30 minutes. The reporting capabilities were better than some other paid-for sites.
Mark B
Theta Mu Lambda Charitable Foundation
Since using Zeffy, our conversion rate of donations has skyrocketed. It's an easy platform to use. Plus customer support has always been responsive and helpful!
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Stevie C
We Are HER
SUCCESS STORIES
Zero-fee fundraising in action — nonprofit stories worth sharing.
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