Mailchimp handles emails but can't accept donations. Zeffy does both with zero monthly fees.
Zeffy is trusted by 100,000+ nonprofits
Zeffy VS Mailchimp
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Mailchimp helps you reach donors, but you still need another tool to collect donations. Zeffy does both, with no monthly fees or transaction costs.
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Mailchimp charges monthly fees to send emails, then requires third-party tools to accept donations. Zeffy includes email and donation forms at no cost.
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Mailchimp manages contacts but can't process donations or track giving history. Zeffy gives you donor management and fundraising tools in one place.
Mailchimp charges nonprofits the same as everyone else, then applies a discount. Paid Marketing plans start at $13/month for Essentials, $20/month for Standard, and $350/month for Premium, and the price climbs as your contact list grows. Zeffy takes a different approach and stays $0 for every nonprofit, always, with unlimited contacts and email sends.
Yes. Mailchimp offers 15% off its paid Marketing plans for verified 501(c)(3) nonprofits. The discount does not apply to add-ons, transactional email, or overage charges, so your bill still rises as your list grows. Zeffy skips discounts entirely and is simply free, so there is no percentage to calculate and nothing to pay.
Mailchimp has a free plan, but it is not built for nonprofits. It caps you at 250 contacts and 500 emails per month, with no donation tools. Once you grow past that, you move to a paid plan. Zeffy is genuinely free with no contact or send limits, and it includes donation forms and a donor CRM out of the box.
It depends on your list size. A nonprofit with 5,000 contacts on the Standard plan pays roughly $100/month, about $1,200/year, before the 15% nonprofit discount is applied. Costs keep rising as you add contacts. Zeffy costs $0 no matter how large your list gets, so a growing donor base never increases your bill.
Mailchimp pricing is tiered by plan and by contact count. You pick Essentials, Standard, or Premium, and the monthly price scales up as your audience grows. Add-ons and overages cost extra. Zeffy replaces that model with a flat $0. The platform is sustained by optional contributions from donors at checkout, so your nonprofit pays nothing.
You apply through Mailchimp with proof of your 501(c)(3) status to get verified, then the 15% discount applies to eligible paid Marketing plans. It will not cover add-ons or overages. If you would rather not manage verification and a recurring bill at all, Zeffy is free from day one and includes a native Mailchimp importer to move your contacts over.
For most nonprofits, it comes down to cost and scope. Mailchimp is a capable email marketing tool, but you pay monthly and the price grows with your list. Zeffy is free and pairs email with donation forms, ticketing, tax receipts, and a donor CRM. If your goal is fundraising, not just marketing, Zeffy covers more for $0.
Mailchimp is an email marketing platform you pay for, priced by contacts. Zeffy is a free all-in-one fundraising platform that includes email plus donation forms, event ticketing, automated tax receipts, and a donor CRM. Both offer segmentation and open and click tracking. The difference is that Zeffy connects your emails directly to donations, at no cost.
If you only need marketing emails and already pay for other fundraising tools, Mailchimp can work. If you want email and fundraising in one place without a monthly bill, Zeffy is the stronger fit. Zeffy sends blasts to up to 11,000 contacts per send, includes a drag-and-drop builder, and imports your Mailchimp list natively.
If Mailchimp's pricing does not fit your budget, there are strong free options worth comparing. We rounded them up in our guide to the 10 best free Mailchimp alternatives for nonprofits, including tools that combine email with donation features so you are not paying separately for each part of your stack.
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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