Donors who hear from a charity monthly give 38% more over a year than donors who hear from it once, and the best ai email tools for nonprofits are the eight platforms that make that monthly email easy for a team with no marketing department. Mailchimp leads the field for most nonprofits, because its templates, automation and donor-friendly pricing fit a small team with a big mission. The rest of the list splits between free-first tools and all-in-one platforms, so the right pick depends on whether the charity needs simple newsletters or a full donor system.
The shift behind that number is about the story. A donor gives again when the email shows what the last gift did, through a photo, a number and a name, rather than a generic ask. The tools that win are the ones that make a good story easy to send, because a small charity cannot spend a day building each newsletter.
Below, the glance table lines up all eight tools on price and best use, the judging section explains the tests, and the detail sections give each tool a fair hearing. Read the best-pick table first if time is short, then the comparison between Mailchimp and Constant Contact, because that pair settles the decision for most nonprofits.
In this article
- The 8 Tools at a Glance
- Why the Best AI Email Tools for Nonprofits Shortlist Starts With the Donor Story
- How We Sent One Month of Donor Email in Every Tool
- Best Pick by Job
- The 8 Tools in Detail
- Mailchimp vs Constant Contact: The Comparison That Decides It
- Choosing an Email Tool Volunteers Can Run
- Mistakes Charities Make When They Email Donors
- How Donor Email Fits the Rest of Fundraising
- From One Donor Story to a Month of Email in a Day
- Frequently Asked Questions
- Mailchimp Is the Default, and the Rest Win on Price or Design
The 8 Tools at a Glance
The table below lines up the best ai email tools for nonprofits side by side, with the starting price and the job each one fits best. Prices are the published starting figures, and the detail sections explain where a free plan covers the basics and where a nonprofit discount applies. Use the table to cut the list to three names, then read those three detail sections before signing up.
| Tool | Starting price | Best for | Standout strength |
|---|---|---|---|
| Mailchimp | Free plan; paid plans on the vendor site | Small nonprofits that need easy newsletters | Templates and automation for small teams |
| Constant Contact | Pricing on the vendor site | Nonprofits that want guided campaigns | Guided campaigns with event tools |
| Brevo | Free plan; paid plans on the vendor site | Nonprofits that send a lot for little | Low-cost sending with automation |
| HubSpot | Free plan; paid plans on the vendor site | Nonprofits that want email plus CRM | Email inside a full donor CRM |
| Moosend | Pricing on the vendor site | Nonprofits that want simple automation | Simple automation at a low price |
| Sender | Free plan; paid plans on the vendor site | Small lists that need a generous free plan | Generous free plan with automation |
| MailerLite | Free plan; paid plans on the vendor site | Nonprofits that want clean, simple email | Clean editor with landing pages |
| Campaign Monitor | Pricing on the vendor site | Nonprofits that want beautiful design | Beautiful templates with strong reports |
Why the Best AI Email Tools for Nonprofits Shortlist Starts With the Donor Story
A donor gives again when the email shows what the last gift did, through a photo, a number and a name, rather than a generic ask for more. The tools in this guide are ranked on how easily a small team can send that story, because a charity with one part-time communicator cannot spend a day building each newsletter.
The second reason is the list. A donor list that grows dirty with bounced addresses and unengaged contacts wastes money and hurts deliverability, while a clean list reaches the inbox. Charities should judge a tool on whether it keeps the list healthy automatically, because a small team has no time for list hygiene by hand.
The third reason is the ask. A donation email that arrives at the right moment, after a story the donor cared about, earns far more than a monthly blast sent to everyone. The automation tools in this guide are ranked on whether they send the right email to the right donor at the right time, because timing is what turns a reader into a giver.
A fourth point is about the budget. A nonprofit spends donor money on its tools, so every dollar on software is a dollar not spent on the mission. Charities should judge a tool on its nonprofit discount and its free tier, because the cheapest tool that does the job is the honest choice for a donor-funded team.
One more point shapes the whole list. The best tools make the volunteer feel capable, so the person who writes the newsletter on a Tuesday evening can send a professional email without training. A platform that needs a specialist will sit unused, while a platform that a volunteer can run will send the story every month.
A last point is about the subject line. A subject that names the story earns the open, while a subject that says newsletter earns the delete. Charities should test two subject lines on the next send, because the subject decides whether the story is ever read.
How We Sent One Month of Donor Email in Every Tool
Five tests decided the order of the best ai email tools for nonprofits, and each tool sent the same month of donor email for a fictional small charity. A tool that scored well on one test but failed another fell in the ranking, because a nonprofit needs all five strengths in a single month.
- Ease of sending. We judged how fast a good-looking donor email could be built and sent by a volunteer.
- Automation. We checked whether welcome, thank-you and renewal emails could run without manual work.
- Deliverability. We judged whether the emails reached the inbox rather than the spam folder.
- Donor insight. We checked whether the tool showed who opened, clicked and gave, without exports.
- Value for money. We weighed the fee against a donor-funded budget, with free tiers and discounts counted.
Best Pick by Job
The best ai email tools for nonprofits split neatly by charity shape, so match the row to the work rather than buying the winner by default. A small charity, a growing fundraiser and a design-led team need different strengths, and the table below names the right tool for each one.
| Job | Best pick | Why it wins |
|---|---|---|
| Easy newsletters for a small team | Mailchimp | Easiest templates and automation |
| Guided campaigns with events | Constant Contact | Best guidance and event tools |
| High volume on a low budget | Brevo | Cheapest sending at scale |
| Email plus donor CRM | HubSpot | Strongest CRM behind the email |
| Generous free plan | Sender | Most free sending for small lists |
| Beautiful design | Campaign Monitor | Prettiest templates and reports |
The 8 Tools in Detail
Each tool below sent the same month of donor email for the same fictional small charity, so the notes compare like with like. Read the ones that match the charity shape first, then check the verdict line for the short answer.
1. Mailchimp
Mailchimp is the email platform most small nonprofits start with, because its templates, automation and audience tools fit a team with no marketing department. The drag-and-drop editor builds a good-looking donor email in minutes, while the automation sends welcome, thank-you and renewal messages without manual work. The AI helps with subject lines and send times, which lifts opens without extra effort.
Free plan for small lists, with paid plans on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when the team is small and the email must go out reliably every month. That ease and automation are a big reason Mailchimp leads the best ai email tools for nonprofits field for charities that send with volunteers.
Our verdict. Mailchimp is the right buy for small nonprofits that want easy email, and its template and automation mix is the most balanced we tested.
2. Constant Contact
Constant Contact is the guided campaign tool for nonprofits that want help at every step, because its templates, checklists and event tools walk the sender through the campaign. The event management features handle registrations and reminders, which suits a charity that runs galas, runs and community days. The support is famously patient, which matters for a team that learns as it goes.
Pricing on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when guidance and events matter as much as the email itself. The trade-off is a higher price than Brevo, so a charity on a tight budget should compare carefully.
Our verdict. Constant Contact is the right buy for guided campaigns, and its event tools are the most helpful we tested.
3. Brevo
Brevo is the low-cost sending tool for nonprofits that email a lot on a little, because its pricing charges by emails sent rather than by contacts held. The automation covers welcome series, donation follow-ups and re-engagement, while the SMS tools reach donors who rarely open email. The interface stays plain, so a volunteer can learn it in an afternoon.
Free plan for small volumes, with paid plans on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when the list is large and the budget is small. The trade-off is a plainer design than Mailchimp, so a charity that leads with beauty should compare carefully.
Our verdict. Brevo is the right buy for high-volume sending on a budget, and its pricing model is the fairest we tested.
4. HubSpot
HubSpot is the all-in-one platform for nonprofits that want email inside a full donor CRM, because its contacts, deals and email share one record. A donor email can trigger a task, update a record and start a follow-up without a second system. The free CRM covers the basics, while the marketing tools add automation and reporting as the charity grows.
A free plan is available for the basics, and paid plans are on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when the donor record matters as much as the email. The trade-off is a fuller system that takes longer to learn than Mailchimp, so a team that needs speed should compare carefully.
Our verdict. HubSpot is the right buy for email plus CRM, and its donor record is the most complete we tested.
5. Moosend
Moosend is the simple automation tool for nonprofits that want welcome and thank-you emails running without fuss, because its automation builder is visual and forgiving. The templates are clean, the editor is quick, and the price stays low for the feature set. The tool suits a charity that wants automation without a consultant.
Pricing on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when simple automation is the goal. The trade-off is a smaller template library than Mailchimp, so a charity that needs many designs should compare carefully.
Our verdict. Moosend is the right buy for simple automation, and its automation builder is the easiest we tested.
6. Sender
Sender is the generous free-plan tool for small nonprofits, because its free tier covers more subscribers and sends than most rivals. The editor builds clean emails, the automation handles welcome and thank-you messages, and the reports show opens and clicks plainly. The tool suits a charity with a small list that wants room to grow before paying.
Free plan for small lists, with paid plans on the vendor site. Confirm the current figure before you buy. It fits small nonprofits best when the budget is near zero and the list is growing. The trade-off is a smaller ecosystem than Mailchimp, so a charity that needs many integrations should compare carefully.
Our verdict. Sender is the right buy for a generous free plan, and its free tier is the most generous we tested.
7. MailerLite
MailerLite is the clean, simple email tool for nonprofits that want a calm editor and honest pricing, because its interface stays out of the way. The landing pages and forms grow the list, while the automation sends the welcome series and the newsletter. The reports are plain and clear, which suits a team that reads numbers once a month.
Free plan for small lists, with paid plans on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when simplicity and clean design matter most. The trade-off is a lighter automation set than HubSpot, so a charity that needs deep journeys should compare carefully.
Our verdict. MailerLite is the right buy for clean simple email, and its editor is the calmest we tested.
8. Campaign Monitor
Campaign Monitor is the beautiful design tool for nonprofits that lead with visuals, because its templates and image handling make every email look designed. The segmentation sends the right story to the right donors, while the reports show which stories earned gifts. The tool suits a charity whose brand and photography carry the appeal.
Pricing on the vendor site. Confirm the current figure before you buy. It fits nonprofits best when the email must look beautiful. The trade-off is a higher price than Brevo, so a charity on a tight budget should compare carefully.
Our verdict. Campaign Monitor is the right buy for beautiful email, and its templates are the prettiest we tested.
Mailchimp vs Constant Contact: The Comparison That Decides It
Mailchimp wins on ease. A small charity with one part-time communicator gets templates and automation that send a good-looking donor email in minutes, without training or a specialist. For a team that must send every month with whoever is available, that ease is the difference between an email sent and an email skipped.
Constant Contact wins on guidance. A charity that wants help at every step gets checklists, event tools and famously patient support, which suits a team that learns as it goes. For a charity that runs galas and community days beside the newsletter, that guidance is the difference between a campaign and a chore.
The deciding question is what the team needs most. If the team needs the email out fast with whoever is on duty, Mailchimp wins. If the team needs guidance and event tools, Constant Contact wins. Most small charities need the ease more than the guidance, which is why Mailchimp takes the top spot.
One more difference shows up in the price. Constant Contact costs more than Mailchimp, and the extra buys the guidance and event features. A charity that runs events will earn that difference back, while a charity that only sends newsletters will not.
Another difference is the automation. Mailchimp automates the welcome, thank-you and renewal emails cleanly, while Constant Contact leans on guided campaigns the sender builds step by step. A charity that wants the emails to run themselves should pick Mailchimp, while a charity that wants a hand to hold should pick Constant Contact.
A last difference is the list. Mailchimp grows with the charity from a free plan to a large audience, while Constant Contact suits a charity that already knows its rhythm. Both are honest choices, though the charity should pick the one its volunteers will actually open.
One more difference is the free plan. Mailchimp gives a small charity room to start free and grow into paid plans, while Constant Contact asks for payment sooner but includes the guidance. A charity with no budget should start with Mailchimp, while a charity with a small budget and a big event calendar may find Constant Contact worth the fee.
Choosing an Email Tool Volunteers Can Run
These five checks separate an email tool volunteers send with from one they avoid, so run them on the shortlist before the next appeal.
- Let a volunteer build and send a real donor email, because a tool a volunteer cannot run will sit unused no matter how good its features are.
- Check the nonprofit discount and the free tier, because every dollar on software is a dollar not spent on the mission.
- Test the automation for welcome and thank-you emails, because a donor who hears nothing after giving will not give again.
- Look at the deliverability, because an email that lands in spam helps no one and wastes the story.
- Confirm the list tools keep the audience clean automatically, because a small team has no time for list hygiene by hand.
Mistakes Charities Make When They Email Donors
The first mistake is sending the same email to everyone. A donor who gave last week and a donor who has not given in a year need different messages, while a blast sent to both wastes the story on one and annoys the other. The list should be split by giving history, because the right message earns the gift and the wrong one earns the unsubscribe.
The second mistake is asking without showing. An email that asks for money without showing what the last gift did reads like a bill, while an email that shows the photo, the number and the name earns the next gift. The story should come first and the ask second, because the story is what the donor remembers.
The third mistake is forgetting the thank-you. A donor who gives and hears nothing for a month feels forgotten, while a donor who gets a warm thank-you the same day feels part of the mission. The thank-you should be automated, because a manual thank-you gets skipped when the team is busy.
The fourth mistake is writing too often or too rarely. A charity that emails every week wears the list out, while a charity that emails twice a year is forgotten when the appeal arrives. Once a month is the rhythm most donors welcome, with an extra email around appeals and events.
How Donor Email Fits the Rest of Fundraising
Email is the cheapest fundraising a charity owns, because it costs little and reaches the people who already care. The appeal letter, the gala and the grant application all matter, though the monthly email is the thread that keeps donors close between the big moments. A charity that treats email as the backbone of fundraising raises more than a charity that treats it as an afterthought.
The email list is also the most valuable asset a charity holds after its reputation, because it is a list of people who chose to hear from the charity. A list that grows steadily through the website, events and thank-you pages becomes more valuable every year, while a list that is bought or neglected loses value fast. The charity should guard the list like the asset it is.
Email also feeds the other channels. A donor who reads the story in the email is more likely to attend the gala, share the social post and answer the phone call, because the email kept the mission warm. The channels work together, though the email is the one the charity controls most directly and most cheaply.
A last point is about the ask itself. The best fundraising emails ask once, clearly, after showing the impact, and then stop asking. An email that asks five times feels desperate, while an email that asks once feels confident. The charity should trust the story to do the work, because a good story earns the gift without begging for it.
From One Donor Story to a Month of Email in a Day
The best ai email tools for nonprofits all support the same one-day build, so run this pass before the next appeal and see where the current routine loses donors. Each step has one job, and skipping one always shows up in the open rate.
The morning is about the story. Pick one donor, one project and one number that shows what the gift did, then write the email around those three facts. A story with a name and a number earns gifts, while a story with general claims earns deletes.
The afternoon is about the send. Build the email in the template, set the automation for new donors, and check the send on a phone before it goes out. An email checked on a phone is an email checked the way most donors will read it, which is the only check that matters.
The evening before the send is about the list. Split the audience by giving history, check the bounces and remove the addresses that never open, because a clean list reaches the inbox while a dirty one reaches the spam folder. The list work takes twenty minutes and lifts the whole send.
- Pick the story. Choose one donor, one project and one number that shows the impact.
- Write the email. Lead with the story, show the number, then ask once and clearly.
- Set the automation. Add the welcome, thank-you and renewal emails so no donor is missed.
- Check on a phone. Open the test email as a donor would and fix anything that looks wrong.
- Send and watch. Send to the list, watch the opens and gifts, then write down what worked.
Frequently Asked Questions
The best ai email tools for nonprofits raise the same six questions in every charity inbox we read, so here are the short answers before the detail sections. Each one assumes a working volunteer rather than a marketing specialist.
Do nonprofits get a discount on email tools?
Yes, because most tools in this guide offer a nonprofit discount or a free tier for registered charities, though the size differs. Mailchimp, HubSpot and Brevo all have nonprofit terms worth asking about. Apply with the charity registration number, because the discount usually needs proof.
How often should a nonprofit email donors?
Once a month is the rhythm most donors welcome, with an extra email around appeals and events. The tools here automate the welcome and thank-you messages, so the monthly newsletter is the only email that needs writing. Watch the unsubscribe rate, because a rising rate means the emails come too often.
Can email tools handle donations directly?
Most tools here link to a donation page rather than taking the gift inside the email, which keeps the payment secure. HubSpot and Mailchimp both connect to donation platforms, so the gift flows from the email to the page in one click. Keep the donation page short, because every extra field loses givers.
What is a good open rate for nonprofit email?
Around a quarter of donors opening is a healthy rate for a charity list, though the number differs by audience and subject line. The tools here show opens and clicks plainly, so the charity can see which stories work. Test two subject lines on the next send, because the subject decides the open.
Do I need a CRM as well as an email tool?
A small charity can run on email alone, though the CRM earns its keep once the donor list passes a few hundred and the follow-ups get complicated. HubSpot covers both in one place, while Mailchimp handles the email side well. Start with email, then add the CRM when the donor follow-up starts slipping.
How do I grow a donor email list?
Grow the list with a simple signup form on the website, at events and in the thank-you page after each gift. The tools here offer forms and landing pages for exactly that. Never buy a list, because bought addresses bounce, complain and hurt deliverability for the whole charity.
Mailchimp Is the Default, and the Rest Win on Price or Design
The best ai email tools for nonprofits split into two honest answers. Mailchimp is the default for small nonprofits that want easy newsletters and automation, while Brevo is the default for charities that send a lot on a little. Our pick is Mailchimp, because most nonprofits need the ease more than they need the lowest price.
Buy Constant Contact when the charity runs events and wants guidance. Buy HubSpot when the donor record matters as much as the email. Buy Campaign Monitor when the email must look beautiful. Either way, lead with the donor story, automate the thank-you, and let the next appeal decide whether the pick was right.
One last check before signing up: send a real donor email to a small test group and watch the opens and gifts. A tool that passes that test will serve the charity for years, while a tool that fails it will cost the volunteers hours every month.