Pick Mailchimp if you want unsubscribe feedback with less fuss. Pick Brevo if you want more control and do not mind building a small feedback flow yourself. Mailchimp is better for quick answers. Brevo is better for teams that like custom forms, tags, and cheaper contact management.

What is an unsubscribe survey?

An unsubscribe survey asks people why they leave your email list.

That sounds sad. It is also useful.

People leave for simple reasons:

• Too many emails.
• The content is not useful.
• They never signed up.
• The emails feel too salesy.
• They only wanted one discount code.

This feedback helps you stop the bleeding. You can send less often. You can clean up your segments. You can fix bad subject lines. You can stop sending cat memes to people who wanted tax tips. Though, to be fair, cats help.

Mailchimp for unsubscribe feedback

Mailchimp is the easier option for most newsletter teams.

It has a familiar unsubscribe flow. A reader clicks the unsubscribe link. They reach a confirmation page. You can customize parts of that experience. You can also collect basic feedback on why they left.

The big win is speed.

You do not need to build a whole mini system. You do not need to stitch five tools together. You do not need to cry into a spreadsheet at 11:42 p.m.

Mailchimp is best when you want:

• A simple unsubscribe path.
• Basic reason tracking.
• Reports that are easy to read.
• A setup that a non-technical marketer can handle.
• Less manual work.

It drives me crazy that some email tools make “Why did they leave?” feel like a crime scene investigation. Mailchimp keeps it more normal. Click. Choose a reason. Done.

Where Mailchimp can annoy you

Mailchimp is not perfect.

Some settings can feel buried. The form builder is not always fun. It has that “I know this button exists, but where did they hide it?” energy.

Also, pricing can climb as your list grows. That matters if you have many contacts but send only a few emails each month.

Mailchimp drawbacks:

• Costs can rise fast with larger lists.
• Customization has limits.
• The interface can feel crowded.
• Advanced feedback flows may need extra work.

Still, for a plain unsubscribe survey, Mailchimp is usually the cleaner choice.

Brevo for unsubscribe feedback

Brevo, formerly Sendinblue, takes a different path.

It is strong at contact management, automations, transactional email, and flexible pricing. You can create forms. You can use custom pages. You can tag contacts. You can track events. You can make the unsubscribe process fit your own system.

That is great.

It is also more work.

Honestly, it feels like Brevo expects you to bring your own toolbox. That is fine if you enjoy building flows. It is less fine if you just want a quick report that says, “People are leaving because your Tuesday email is annoying.”

Brevo is best when you want:

• More control over forms and contact data.
• Custom unsubscribe pages.
• Tags based on feedback answers.
• Automation after someone unsubscribes.
• Lower costs for some list sizes.

For example, you might create a custom page with this question:

“Why are you unsubscribing?”

• Too many emails.
• Not relevant to me.
• I did not sign up.
• I only wanted the free guide.
• Other.

Then you can pass that answer into Brevo using a form field, tag, or automation step. It works. But you need to plan it.

Mailchimp vs Brevo: quick comparison

Feature	Mailchimp	Brevo
Ease of setup	Better for beginners	Needs more setup
Built-in feedback flow	Stronger for simple surveys	More custom, less instant
Customization	Good, but limited	Very flexible
Reporting	Easy to read	Good if you structure data well
Best user	Newsletter marketers	Teams with custom workflows

Which one gives better feedback?

Mailchimp gives better feedback faster.

That is the main point.

If your goal is to learn why people unsubscribe, Mailchimp gets you there with less setup. The feedback is easier to view. The flow feels more ready out of the box.

Brevo gives better feedback only if you build it well.

That means clean form fields. Clear answer choices. Smart tags. A simple report. If you do that, Brevo can be powerful. If you do not, you may end up with messy notes and sad guesses.

A simple user case

Imagine a fitness coach named Mia.

She sends a weekly newsletter to 8,500 people. In January, 190 people unsubscribe. That is not a disaster. But it is enough to hurt.

With Mailchimp, she sees that 44% chose “too many emails.” Another 21% chose “content no longer relevant.”

So she makes two changes:

• She sends one email per week instead of three.
• She splits her list into beginner and advanced readers.

In February, unsubscribes drop to 112. That is a 41% drop.

Nice. No wizard hat needed.

With Brevo, Mia could do the same thing. But she would likely need to create the form, store the answer, tag the contact, and build the report. More flexible. More clicks.

What questions should your unsubscribe survey ask?

Keep it short.

People are already leaving. Do not hand them a ten-question quiz. That is like asking someone who is walking out of a restaurant to fill out a tax form.

Use one question:

“Why are you unsubscribing?”

Use five answer choices:

• I get too many emails.
• The content is not useful.
• I did not sign up.
• I only wanted one offer or download.
• Other.

You can add an optional comment box. But do not require it. Forced feedback is rude. Rude forms get fake answers.

How to use the feedback

Do not collect unsubscribe feedback just to admire it.

Use it.

• If people say “too many emails,” reduce frequency or offer a weekly digest.
• If they say “not relevant,” improve segmentation.
• If they say “I did not sign up,” check your signup forms and lead sources.
• If they say “too salesy,” add more helpful content.
• If they say “other,” read the comments for patterns.

A small pattern can save a big list.

Best choice for most teams

Choose Mailchimp if you want a smoother, simpler way to collect unsubscribe feedback. It is the better pick for newsletters, creators, small shops, and teams that want quick answers.

Choose Brevo if you want custom data flows and more control. It is a smart pick if your team already uses automations, CRM-style tags, or custom forms.

The practical answer is simple. Mailchimp is easier. Brevo is more flexible. If you just want to know why people left, Mailchimp wins. If you want to build your own feedback machine, Brevo can do the job.

Either way, ask the question. Your unsubscribers may be leaving, but they can still give you the clue that saves the next hundred readers.