Constant Contact and Sendinblue help you send emails, but they charge fees that eat into your fundraising budget. Zeffy gives you email 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
Constant Contact VS Sendinblue
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Constant Contact and Brevo charge monthly fees plus payment processing costs. Zeffy charges zero fees, so every dollar raised goes directly to your mission instead of platform profits.
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Constant Contact and Brevo only handle emails, forcing you to juggle separate tools for donations, events, and receipts. Zeffy combines everything in one free platform that actually works together.
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Constant Contact and Brevo require technical setup and ongoing management. Zeffy creates professional donor acknowledgments and automated follow-ups without the learning curve or monthly costs.
Zeffy gives you email marketing plus donation processing, event ticketing, and membership management in one platform. Constant Contact only handles emails, so you'd need multiple tools and monthly fees that add up quickly.
Zeffy is completely free for nonprofits. Constant Contact starts at $8.40/month and Sendinblue at $9/month, plus you'd still need separate tools for donations and events. With Zeffy, donors can leave a voluntary contribution to support the platform.
Yes. While email platforms like Constant Contact and Sendinblue only send emails, Zeffy also processes donations, sells event tickets, manages memberships, and runs peer-to-peer campaigns. Everything your nonprofit needs in one place.
Zeffy includes email marketing alongside donation processing, event ticketing, and membership management. Constant Contact and Brevo only handle emails, leaving you to juggle multiple platforms and monthly subscriptions.
Constant Contact starts at $8.40/month and Brevo at $9/month, just for emails. Zeffy gives you email marketing plus donations, events, and memberships at zero cost. Donors can leave a voluntary contribution to support the platform.
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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