Brevo vs ConvertKit: Which Should You Choose in 2026?

Published June 14, 2026

Disclosure: Some links below are affiliate links. If you sign up through them we may earn a commission at no extra cost to you. We only recommend tools we'd genuinely suggest to a friend. See our full disclosure.

Brevo (formerly Sendinblue) and ConvertKit (now branded Kit) both send email to a list — and that’s nearly where the resemblance ends. Brevo is the tool you reach for when you want to send efficiently: pay for what you send, fire your app’s receipts and texts from the same place, keep a large list cheap. Kit is the tool you reach for when an audience is the business: grow it, tag it, launch to it, sell to it. Put them side by side and the question isn’t “which sends better email” — it’s “is your problem reaching a list, or building one?”

Because the honest answer is that they’re built around different things. One is a sending and messaging engine. The other is an audience-growth engine. Pick on that, and the rest of the comparison falls into place.

Honest disclosure: some links below are affiliate links. If you sign up through one I may earn a commission at no extra cost to you. Neither Brevo nor Kit is one of them, so I have no stake in which of the two you pick — everything here is my genuine assessment, including where a cheaper option might serve you better.

Pricing, free-plan limits and features change often on both platforms. Treat the specifics below as the shape of the trade-off, and confirm the current numbers on each provider’s pricing page before you decide.

The core difference in one sentence

Brevo bills you by how many emails you send — and bundles transactional email, SMS and a light CRM into a functional, plumbing-first platform built around reaching a list. Kit grows and monetizes an audience — subscriber tags, visual launch sequences, a creator network that brings in new readers, and built-in selling, built around the audience itself.

A fast way to feel the difference: Brevo’s pride is its billing model and its plumbing — pay for what you send, and fire your app’s receipts and texts from one account. Kit’s pride is its deliverability and creator network — whether your email arrives, and whether your audience grows. Both send email; they’re pointed at completely different jobs.

Brevo: the send-volume engine

Brevo made its name with one clever idea — charge for emails sent, not contacts stored — and grew it into a broader messaging platform.

Pros:

• Send-based pricing. You pay for how many emails you send, not how many subscribers sit in your account. For a big list you email occasionally, that can be markedly cheaper than a subscriber-based tool — the exact case where storing a large, quiet list stings.
• Transactional email and SMS, built in. Brevo handles the automated receipts, password resets and order confirmations your app sends via SMTP or API, plus SMS marketing, in the same account as your campaigns. Those are two messaging jobs Kit simply doesn’t do.
• A light built-in CRM and automation. Basic contact management, deals and automation workflows are included, so simple follow-up and lead tracking live alongside your email.
• Instant signup. You can create an account and start the same day.

Cons:

• The interface feels functional, not polished. Brevo reads as a capable marketing-and-messaging platform rather than a friendly creator tool; its editor and template library are plainer and busier than a design-led tool’s.
• The free plan caps daily sends. Brevo’s free tier is generous on contacts but limits how many emails you can send per day — which catches people out exactly when they want to email everyone at once.
• It doesn’t grow your list, and it doesn’t sell. Brevo reaches the audience you already have; it has no recommendation network to bring in new subscribers, and no funnels, hosted courses or full checkout to sell from.

Brevo suits a business that emails a large or uneven list, or one that needs transactional/SMS messaging next to its campaigns, and would rather its bill track sending volume than head-count.

Kit (ConvertKit): the creator’s audience engine

Kit was built around a specific belief: for a creator, the email list is the business. Everything in the product flows from that — including the things it deliberately refuses to do.

Pros:

• A creator network that can grow your list. Kit’s recommendation features can put your newsletter in front of other creators’ audiences — genuine list growth, not just management. This is the feature with no real rival here: Brevo helps you reach a list; Kit can help build one.
• Tagging and automation that match how creators think. Subscribers carry tags and move through visual “if this, then that” sequences — launches, evergreen funnels and segmented broadcasts without juggling duplicate lists.
• Built-in creator commerce. Digital products and paid newsletters sell directly to your list, no separate checkout needed for simple offers — something Brevo doesn’t do at all.
• A strong deliverability reputation and a friendly on-ramp. Kit pours its engineering into landing in the inbox, and you can sign up and start building the same day.

Cons:

• Plain email design — on purpose. Kit bets that simple, text-like emails convert better for creators. If you want designed, branded campaigns, its spartan templates will frustrate you.
• No transactional, SMS or sales CRM. There’s no transactional/SMTP product and no SMS like Brevo’s, and no lead-scoring sales pipeline — it organises an audience, it doesn’t run a messaging stack or a sales process.
• The free tier is a starting point, not a home. Pricing scales with subscriber count, and the tools that make Kit special mostly sit on paid plans. Billing is by subscriber, so a large list costs the same whether you email it or not.
• Selling beyond simple offers needs more tools. Commerce covers digital products and paid newsletters; full funnels, hosted courses and upsell flows mean adding another platform.

Kit suits creators — newsletter writers, course creators, coaches — who treat the list as the business and want a tool that grows, segments, delivers and sells while staying out of the way.

Head-to-head: the differences that actually matter

Billing model — a genuine trade, not a winner

This is the first thing to settle, and it’s a real trade. Brevo bills by emails sent; Kit bills by subscribers stored. If you have a large list you email infrequently — or a list with lots of inactive subscribers you’re reluctant to delete — Brevo’s send-based model is usually the cheaper, fairer fit. Flip the usage pattern, though, and it’s less clear-cut: a smaller list you email very frequently can run into Brevo’s daily-send ceiling, where a subscriber-based plan wouldn’t blink. Before anything else, write down whether your cost should scale with how many people you store or how many emails you send — that single answer points at one tool.

Growing the list

Kit wins — and this is the cleanest split in the whole comparison. Kit’s creator network can recommend your newsletter to other creators’ readers, making it the rare email tool that contributes to list growth rather than just list management. Brevo has nothing equivalent; with it, every subscriber is one you found yourself. If you’re starting from a small audience, this single feature may outweigh billing model and transactional messaging combined.

Transactional email and SMS

Brevo, decisively. Brevo bundles transactional email (the system messages your app sends via SMTP/API) and SMS marketing natively, alongside your campaigns. Kit offers neither. If app-triggered emails or text messaging are part of how you operate, Brevo does in one account what Kit can’t do at all — and that can be the entire reason to pick it.

Email design — neither, for opposite reasons

A wash, and worth understanding why. Brevo’s editor is functional and busy rather than beautiful; Kit’s is deliberately spartan and text-like because it bets plain emails convert better for creators. So if designed, on-brand campaigns are what you’re after, neither is your tool — and a design-led option like MailerLite is the honest pointer. Pick between these two on what they’re for, not on how the campaigns look.

Automation and CRM

Different shapes, both light. Brevo includes basic automation, deals and a light CRM aimed at sales follow-up; Kit’s automation is tag-and-sequence, shaped around launches and an audience, with no CRM or lead scoring. Neither is a power-automation platform — if you need branching journeys, lead scoring and a real sales pipeline, both will frustrate you, and a dedicated tool like ActiveCampaign is the honest answer. For the job each is built for — simple messaging-side follow-up (Brevo) or creator launches (Kit) — either is fine.

Getting started

Both let you start the same day — and that’s worth saying. Unlike some well-liked email tools that make you wait out a manual account review, both Brevo and Kit let you sign up and begin building immediately. So getting going isn’t the deciding factor between these two; the deciding factor is which job — sending efficiently, or growing an audience — describes you.

Selling products and courses

Kit wins at the light end — but neither is a real selling platform. Kit can sell a digital product or a paid newsletter directly to your list; Brevo sells nothing on its own and assumes a checkout lives elsewhere. So for a simple offer, Kit is ahead. But neither hosts a proper course with lessons and progress, neither runs funnels with order bumps and upsells, and neither replaces a checkout-and-delivery stack. Both assume the serious selling happens somewhere else — which is the gap the next section covers.

Where Systeme.io fits

Here’s the part most Brevo-vs-ConvertKit comparisons skip: both are email-first tools that don’t actually sell anything serious. Brevo sells nothing at all; Kit tops out at light commerce. You can pick the perfect one of the two — the right billing model, the creator network you wanted — and still need a funnel builder, a course host and a proper checkout before your first real launch. You’d be juggling a send cap or a subscriber bill and stitching selling tools around it.

If selling is the real goal — a course, a digital product, a funnel that converts — it’s worth knowing a third option exists: Systeme.io bundles email broadcasts and automation alongside sales funnels, course hosting, checkout with order bumps and upsells, and a built-in affiliate program, all in one login with a genuinely free plan that has no time limit. The honest trade-offs: it has no dedicated transactional/SMTP product or SMS like Brevo, nothing like Kit’s creator network or tagging depth, its automation is shallower than either tool’s deeper tiers, and its email editor and deliverability tooling are plainer than a sending-focused platform’s. But as one free hub to run and sell a whole small business from, neither Brevo nor Kit competes with it on what you get for $0.

We’ve compared it directly with Kit in ConvertKit vs Systeme.io, and if you’re weighing the email field more broadly, see how each fares against the household name in Brevo vs Mailchimp and Mailchimp vs ConvertKit.

So which should you choose?

Choose Brevo if:

• Your cost should track how many emails you send, not how many subscribers you store — a large or uneven list you email infrequently is the classic case.
• You need transactional email (app/order/system messages) or SMS in the same account as your campaigns.
• You already have the audience you need, and reaching it efficiently — not growing it — is the job.

Choose Kit (ConvertKit) if:

• Your list is a creator audience: you publish, run launches and sell digital products, and you want automation shaped around subscribers.
• Growing the list matters as much as mailing it — the creator network is the feature nothing here matches.
• You’re happy with plain, text-like emails and don’t need transactional sending or SMS.

Start with Systeme.io if:

• The real goal is to sell — a course, a digital product, a funnel with a real checkout — not just send or grow a list.
• You’re early enough that one free all-in-one beats assembling an email tool plus a funnel builder plus a course host.
• You’d rather validate the business first on a free plan and graduate to a specialist later — Brevo when sending volume or transactional messaging becomes the bottleneck, Kit when audience growth does.

A practical shortcut: picture your next quarter. Ten thousand contacts you email once a month, with order confirmations firing from your app and SMS in the mix? Brevo’s send-based billing covers all of it and won’t punish you for keeping the list. Starting from a small audience you need to grow, with a digital product to launch to it? Kit’s network and creator commerce earn their keep. And if the honest answer is “the emails are supposed to point at a course or a checkout that doesn’t exist yet,” then neither email tool is your real bottleneck — start where selling is free.

The honest bottom line

Brevo vs ConvertKit looks like an email contest, but it’s really a contest over what you need: a way to reach a list, or a way to build one. Brevo is the better-value engine for anyone whose cost should follow sending volume, and the clear winner if you need transactional email or SMS in one place — at the price of polish and with no help growing the list. Kit is the better-shaped tool for a creator — the tagging, the light commerce, and the only list-growth engine in this comparison — and it won’t pretend to be a messaging stack or a sales platform. Pick by which describes you: a sending engine billed by sends, or an audience you want to grow and monetize. And if the real answer is “it’s meant to fund something I sell,” start where selling is free — a free all-in-one will carry you further for $0 while you prove the model, and either specialist will still be here when its strength becomes the thing you actually need.

Go deeper: see ConvertKit vs Systeme.io for the direct budget comparison, or how each tool fares against the household name in Brevo vs Mailchimp and Mailchimp vs ConvertKit. Weighing a design-led tool too? See Brevo vs MailerLite and ConvertKit vs MailerLite. Shopping the whole field? Our Brevo alternatives guide covers why people leave, and the best email marketing tool for beginners starts from scratch. New to automation itself? Read email automation for beginners first.

Some links above are affiliate links — they never cost you extra, and we only recommend tools we’d use ourselves. See our affiliate disclosure.