The choice of a platform’email marketing is one of the most structuring technology decisions for the growth of your business. In 2026, the email software market is dominated by three major players offering radically different approaches: Brevo (formerly Sendinblue), Mailchimp, and ActiveCampaign. Given the proliferation of features related to artificial intelligence, multichannel email marketing automation, and complex pricing changes, it is becoming difficult to find your way around.
Should we favor the simplicity and renown of Mailchimp, the automation power of ActiveCampaign, or the disruptive business model of Brevo? In this comprehensive email software comparison—Brevo vs Mailchimp vs ActiveCampaign—we thoroughly analyze these three solutions to help you choose the best 2026 email marketing tool tailored to your real needs, database size, and budget.
Understanding pricing models in 2026
The most striking difference between these three platforms lies in their business model. Understanding this distinction is fundamental, because a wrong choice can multiply your bill tenfold as your database grows.
The sending volume-based model (Brevo)
Brevo stands out with a unique pricing model on the market: you pay for the number of emails sent, and not for the number of stored contacts. This model is particularly advantageous for companies that have large databases but do not send daily campaigns. For example, whether you have 5,000 or 50,000 contacts, the price remains the same if your monthly sending volume does not exceed your plan's limit. Furthermore, the free plan of Brevo is extremely generous, allowing the sending of 300 emails per day with an unlimited number of contacts.
The contact-based model (Mailchimp and ActiveCampaign)
Conversely, Mailchimp and ActiveCampaign charge based on the size of your contact list. While this model seems affordable at first (around $13 to $15 for 500 contacts), costs escalate exponentially as soon as your audience grows. For a database of 10,000 contacts, ActiveCampaign's monthly bill climbs to about $149, while Mailchimp applies similar pricing while imposing feature restrictions depending on the subscription tier.
A major friction point with Mailchimp involves list management. Since their lists are mutually exclusive, the same contact present in two different lists will be billed to you twice. This technical peculiarity makes segmentation complex and artificially expensive.
Comparison of key features
Beyond price, it is the functional depth that should guide your choice. Each tool was designed with a different philosophy, catering to specific use cases.
Automation and workflows (Marketing Automation)
When it comes to automation, ActiveCampaign reigns supreme. The platform was designed from the ground up as an advanced marketing automation tool. It allows you to create workflows of infinite complexity, based on dozens of behavioral triggers, nested «if/then» conditions, and website interactions. It is the go-to tool for sophisticated B2B lead nurturing.
Brevo offers very solid automation capabilities, more than enough for 90 % of businesses. You can easily create welcome sequences, abandoned cart reminders, or birthday emails. The visual interface is clear and intuitive.
Mailchimp, on the other hand, is somewhat lagging behind. Although the platform offers basic automations, complex scenarios are difficult to set up. Moreover, automation features have been removed from their free plan, forcing users to upgrade to paid plans for even the simplest automated sequence.
Customer Relationship Management (CRM) and Sales
ActiveCampaign stands out once again by integrating a true sales CRM (Customer Relationship Management). It includes pipeline management, deal tracking, task assignment for sales reps, and a highly efficient lead scoring system. The alignment between marketing and sales teams is complete.
Brevo offers a basic CRM, useful for centralizing contact information and tracking simple interactions, but it does not replace a dedicated tool like HubSpot or Salesforce for a structured sales team.
Mailchimp does not have a built-in CRM strictly speaking, relying instead on contact management enriched with e-commerce data (purchase history, customer lifetime value).
Transactional and multichannel emails
This is where Brevo takes a considerable lead. The French platform natively integrates a robust SMTP server for sending transactional emails (order confirmations, password resets, invoices). These sends are included in your monthly plan. Conversely, ActiveCampaign and Mailchimp require the use of paid third-party services (like Postmark or Mandrill) to manage these critical sends.
In addition, Brevo positions itself as a true multichannel platform by natively integrating the sending of SMS campaigns, WhatsApp campaigns (via the official API), and a Live Chat module for your website, all centralized within the same interface.
Synthetic comparison table 2026
To help facilitate your decision-making, here is a summary of the strengths and weaknesses of each solution based on the most important criteria.
| Evaluation criteria | Brevo | Mailchimp | ActiveCampaign |
|---|---|---|---|
| Pricing model | By bulk mail (very economical) | In touch (costly at scale) | Ignition + plan level (premium) |
| Free plan | Excellent (300 emails/day, unlimited contacts) | Limited (500 contacts, restricted features) | Non-existent (14-day trial only) |
| Automation | Advanced and intuitive | Basic and rigid | Exceptional and highly customizable |
| Integrated CRM | Basic | Non-existent (contact management) | Complete (pipelines, deals, lead scoring) |
| Transactional emails | Built-in | Requires Mandrill (additional cost) | Requires Postmark (additional cost) |
| Multichannel | Email, SMS, WhatsApp, Live Chat | Email, social media | Email, SMS (depending on the plan) |
| Ease of use | Very good | Excellent (ideal for beginners) | Steep learning curve |
Which tool to choose according to your profile?
In this email software comparison, there is no absolute «best» tool, but rather an optimal solution for your specific context. Here are our recommendations based on the most frequent use cases.
Choose Brevo if...
You are an SMB, a startup, or an e-commerce business with a large (or fast-growing) database and you want to keep your budget under control. Brevo is the best email marketing tool for 2026 for companies looking to combine performance with savings. It is also the essential SMB email software if you need to send transactional emails or want to integrate SMS and WhatsApp into your global communication strategy. And if you are just starting out, note that the free version of Brevo remains one of the most generous plans on the market.
Choose Mailchimp if…
You are a complete beginner in digital marketing, you have a small contact list (fewer than 2,000 subscribers) and prioritize ease of use above all else. Mailchimp remains the most intuitive tool for quickly creating beautiful newsletters thanks to its hundreds of modern templates, making it the best newsletter comparison for beginners. It is an excellent starting point, provided you are ready to migrate to another solution when your automation needs become more complex or your list grows, particularly due to Mailchimp pricing which can quickly weigh on your budget.
Choose ActiveCampaign if...
You are a structured B2B company with long sales cycles requiring precise lead nurturing. If email marketing automation is at the heart of your acquisition strategy and you need perfect alignment between your marketing actions and your sales team (thanks to the integrated CRM), ActiveCampaign fully justifies its premium price despite a higher ActiveCampaign price than its competitors. It is a technological investment for mature companies that place automation at the center of their growth.
The importance of strategic support
As part of a Brevo vs Mailchimp vs ActiveCampaign comparison, choosing the tool is only the first step. The true value lies in the strategy you will deploy, the quality of your data, and the relevance of your email marketing automation scenarios. Migrating tools or setting up a new platform requires technical expertise to ensure optimal deliverability and avoid structural pitfalls.
At Flowr Agency, we are technologically agnostic. We assist our clients in choosing, configuring, and operating the platform best suited to their ecosystem. Whether you need to set up complex workflows on ActiveCampaign or optimize your sending costs with Brevo, our expertise in Email marketing strategy guarantees you a maximum return on investment in 2026.
Frequently asked questions about choosing email software
Why did Mailchimp become so expensive in 2026?
Mailchimp has gradually changed its business model over the years. They now charge based on the total number of contacts in your database, including unsubscribed contacts if you do not manually archive them. In addition, their mutually exclusive lists system means that if the same contact (for example, [email protected]) is present in three different lists, you will be billed three times for them. This is why many companies are migrating to alternatives like Brevo.
Is Brevo really free?
Brevo offers a truly free plan with no time limit. This plan allows you to store an unlimited number of contacts and send up to 300 emails per day (or about 9,000 emails per month). It’s the most generous free plan on the market in 2026. Basic automation features are also included. Paid plans start at 9 $ per month to remove the daily quota and the Brevo logo at the bottom of emails.
Is ActiveCampaign suitable for e-commerce?
Although ActiveCampaign is exceptional for B2B, it is also very powerful for e-commerce thanks to its deep integrations with Shopify, WooCommerce, and PrestaShop. It allows for the creation of advanced automations based on purchasing behavior (abandoned carts, product recommendations, win-back campaigns). However, the lack of a native SMTP server for transactional emails (order confirmations) forces e-commerce merchants to use an additional third-party service, which complicates the technical architecture.
How to migrate from Mailchimp to Brevo or ActiveCampaign without losing data?
Migration requires a rigorous method to preserve your sender reputation (deliverability). You must first export your contacts, your unsubscribe and hard bounce lists, and your templates. Platforms like Brevo and ActiveCampaign offer native import tools from Mailchimp. It is crucial to «warm up» your new IP address by first sending campaigns to your most engaged contacts before targeting your entire database.
Which tool offers the best deliverability in 2026?
Deliverability depends less on the tool than on your own practices (list quality, domain authentication via SPF/DKIM/DMARC, content relevance). However, ActiveCampaign and Brevo are renowned for their strict management of shared IP addresses and their list cleaning tools. In particular, ActiveCampaign includes SpamAssassin tests before sending, while Brevo has a dedicated team actively monitoring the reputation of its European servers.
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