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ActiveCampaign vs Brevo vs HubSpot Marketing Hub vs Klaviyo vs Mailchimp vs Mautic: Which Alternative is Best? (2026)

Compare ActiveCampaign vs Brevo head-to-head on AltStack. Analyze feature scores, review community insights, and find the best software alternative for your workflow.

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Grouped by use-case fit and featured picks. Save any option to My Stack and jump there to review or share it.

Head-to-head scores

Category-by-category comparison. Green highlight marks the best value in each row.

Security Matrix Score

Verified Integrations

  • ActiveCampaign

    Rank #2

    Best

    6integrations

    • Slack
    • Zapier
    • Shopify
    • Wordpress
    • Salesforce
    • Google
  • Brevo

    Rank #6

    4integrations

    • Wordpress
    • Shopify
    • Zapier
    • Google
  • HubSpot Marketing Hub

    Rank #1

    Best

    6integrations

    • Salesforce
    • Slack
    • Teams
    • Google
    • Zapier
    • GitHub
  • Klaviyo

    Rank #5

    5integrations

    • Shopify
    • Wordpress
    • Zapier
    • Google
    • Stripe
  • Mailchimp

    Rank #3

    Best

    6integrations

    • Slack
    • Zapier
    • Shopify
    • Wordpress
    • Google
    • Salesforce
  • Mautic

    Rank #4

    4integrations

    • Salesforce
    • Google
    • Slack
    • Zapier

Rep Score

Pros Listed

Cons Listed

License & deployment

How each product is licensed and where it can run.

License

  • ActiveCampaignProprietary
  • BrevoFreemium
  • HubSpot Marketing HubProprietary
  • KlaviyoFreemium
  • MailchimpFreemium
  • MauticOpen Source

Deployment

  • ActiveCampaignCloud
  • BrevoCloud
  • HubSpot Marketing HubCloud
  • KlaviyoCloud
  • MailchimpCloud
  • MauticSelf-Hosted

Why switch from ActiveCampaign

One-line reasons teams pick each alternative over your baseline.

Brevo

Teams switch from ActiveCampaign to Brevo when they want a cost-conscious multichannel platform that combines email, SMS, chat, and basic CRM features.

HubSpot Marketing Hub

Teams switch from ActiveCampaign to HubSpot Marketing Hub when they want a broader all-in-one CRM and marketing platform with deeper sales and service integrations.

Klaviyo

Teams switch from ActiveCampaign to Klaviyo when they need ecommerce-specific automation, stronger store integrations, and revenue-focused reporting.

Mailchimp

Teams switch from ActiveCampaign to Mailchimp when they want a simpler, widely recognized email marketing tool with an easier starting point for basic campaigns and automations.

Mautic

Teams switch from ActiveCampaign to Mautic when they need open-source marketing automation with full control over data, hosting, and customization.

Pros & cons

Full breakdown for each product in the comparison.

Baseline anchor
ActiveCampaign

Best for small to mid-sized teams prioritizing automation and lightweight CRM

Pros

  • +Strong automation builder for the price
  • +Good usability for small and mid-market teams
  • +Useful CRM and sales automation features
  • +Large template and integration library

Cons

  • −Less suited to very large enterprise governance needs
  • −Reporting and attribution can be less advanced than top enterprise tools
  • −Contact-based pricing can become expensive at scale
Brevo

Best for sMBs needing affordable multichannel marketing

Pros

  • +Competitive pricing for multichannel marketing
  • +Includes email, SMS, and basic CRM tools
  • +Solid automation for the price

Cons

  • −Fewer advanced automation options than top-tier competitors
  • −Reporting and segmentation can feel less mature
  • −Some features are gated behind higher plans
TOP ALTERNATIVE
HubSpot Marketing Hub

Best for mid-market teams seeking an easier all-in-one marketing and CRM stack

Pros

  • +Tight native CRM integration
  • +Broad feature set for inbound and lifecycle marketing
  • +User-friendly interface and fast implementation
  • +Large ecosystem of integrations and partners

Cons

  • −Costs can rise quickly as contact volume grows
  • −Advanced governance and customization may require higher tiers
  • −Some enterprise features are gated behind premium plans
TOP ALTERNATIVE
Klaviyo

Best for ecommerce brands needing advanced segmentation and revenue attribution

Pros

  • +Excellent ecommerce segmentation and personalization
  • +Strong integrations with Shopify and other commerce tools
  • +Powerful reporting tied to revenue outcomes

Cons

  • −Best suited to ecommerce rather than general B2B marketing
  • −Costs can increase quickly with list growth
  • −Less ideal as a general-purpose CRM replacement
TOP ALTERNATIVE
Mailchimp

Best for small to mid-sized businesses focused on email-first marketing

Pros

  • +Easy to get started and widely recognized
  • +Good templates and campaign tooling
  • +Useful for basic automation and ecommerce marketing

Cons

  • −Automation depth is more limited than ActiveCampaign
  • −Pricing can rise quickly with audience growth
  • −CRM and sales features are less robust
Mautic

Best for technical teams that want self-hosted, customizable marketing automation

Pros

  • +No license fee for the core platform
  • +Self-hosting and data control options
  • +Flexible customization for technical teams
  • +Active community and plugin ecosystem

Cons

  • −Requires technical resources to deploy and maintain
  • −Fewer polished enterprise features out of the box
  • −Support and scalability depend on your own setup

Community FAQ

Questions by product

ActiveCampaign FAQ

Can I self-host ActiveCampaign or is it fully cloud-based only?

ActiveCampaign is a fully cloud-based SaaS platform and does not offer a self-hosted version. All data and automation workflows run on their servers, so on-premise deployment is not supported.

Community insight informed by Reddit discussions

Does ActiveCampaign provide offline functionality or local data access?

ActiveCampaign does not support offline functionality. Since it is a cloud-only platform, you need an active internet connection to access the dashboard, automation builder, and CRM features.

Community insight informed by Hacker News discussions

What are the data ownership and export capabilities with ActiveCampaign?

You retain ownership of your data in ActiveCampaign and can export contacts, campaigns, and reports via CSV exports. However, there is no full database export or direct access to raw data outside their platform.

Community insight informed by StackOverflow discussions

Are there any API limitations I should be aware of when integrating with ActiveCampaign?

ActiveCampaign's API is RESTful and supports most CRM and automation functions, but it has rate limits (typically 100 requests per minute). Some advanced reporting and automation features are not exposed via API, requiring use of the web interface.

Community insight informed by Forums discussions

How straightforward is it to migrate from another CRM to ActiveCampaign?

Migration to ActiveCampaign is generally straightforward for contacts and basic CRM data via CSV import. However, complex automation workflows and custom fields may require manual rebuilding as there is no direct migration tool for these.

Community insight informed by Reddit discussions

Brevo FAQ

Does Brevo support self-hosting or is it fully cloud-based only?

Brevo is a fully cloud-based platform and does not offer a self-hosted deployment option. All data and services run on Brevo's infrastructure, so SMBs and teams must rely on their cloud environment for operations.

Community insight informed by Reddit discussions

Can Brevo be used offline or does it require constant internet connectivity?

Brevo requires an active internet connection to access its multichannel marketing features, including email, SMS, chat, and CRM. There is no offline mode or desktop client that allows editing or campaign management without connectivity.

Community insight informed by Hacker News discussions

What are the data ownership and export capabilities in Brevo for SMBs concerned about vendor lock-in?

Brevo allows users to export contact lists and campaign data in common formats like CSV. However, some deeper CRM and automation data exports may be limited depending on your subscription tier. Users retain ownership of their data but must export it before terminating service to avoid data loss.

Community insight informed by StackOverflow discussions

Are there any API rate limits or restrictions when integrating Brevo with custom applications?

Brevo provides a REST API for email, SMS, and CRM operations with documented rate limits that vary by plan. Free and lower-tier plans have stricter limits on API calls per minute and daily quotas, which can impact high-volume integrations. Higher plans offer more generous limits.

Community insight informed by Forums discussions

How straightforward is migrating existing contacts and campaigns from other marketing platforms into Brevo?

Brevo supports importing contacts via CSV files and offers some guided tools for migrating email campaigns from popular platforms like Mailchimp. However, complex automation workflows and segmentation rules typically require manual recreation due to differences in feature sets.

Community insight informed by Reddit discussions

HubSpot Marketing Hub FAQ

Is it possible to self-host HubSpot Marketing Hub or any of its core components?

No, HubSpot Marketing Hub is a fully managed SaaS platform and does not offer any self-hosting options. All data and services run on HubSpot's cloud infrastructure, so organizations cannot deploy or operate the software on-premises or in private clouds.

Community insight informed by Reddit discussions

Does HubSpot Marketing Hub support offline functionality for email marketing or lead capture?

HubSpot Marketing Hub requires an active internet connection to function properly. Email campaigns, form submissions, and lead capture all rely on cloud services and real-time data sync. There is no offline mode or local caching for marketing activities.

Community insight informed by Hacker News discussions

What are the data ownership and export options for contacts and marketing data in HubSpot Marketing Hub?

HubSpot retains ownership of the platform, but customers own their data. Users can export contacts, form submissions, email performance data, and other marketing analytics in CSV or Excel formats via the UI or API. However, some historical or aggregated reports may not be exportable in raw form.

Community insight informed by StackOverflow discussions

Are there any API limitations or rate limits when integrating with HubSpot Marketing Hub for marketing automation?

Yes, HubSpot Marketing Hub APIs have rate limits that vary by subscription tier, typically around 100,000 API calls per day for mid-market plans. Some endpoints, especially those related to advanced marketing analytics or enterprise features, are restricted to higher-tier plans or require additional permissions.

Community insight informed by Forums discussions

What is the recommended migration or export path if moving away from HubSpot Marketing Hub to another marketing automation platform?

The recommended approach is to export all contacts, form data, email campaign data, and engagement metrics using HubSpot's export tools or APIs. Since HubSpot does not provide a direct migration tool, users must manually import this data into the new platform. Planning for data mapping and re-creating workflows is necessary due to platform differences.

Community insight informed by Reddit discussions

Klaviyo FAQ

Is Klaviyo available for self-hosting or is it fully SaaS-only?

Klaviyo is a fully SaaS-based platform and does not offer a self-hosted version. All data and campaign management happen on their cloud infrastructure, so you cannot run Klaviyo on your own servers.

Community insight informed by Reddit discussions

Can Klaviyo be used offline or does it require constant internet connectivity?

Klaviyo requires an active internet connection to access its dashboard, sync data, and send campaigns. There is no offline mode or local client functionality; all operations depend on their cloud platform.

Community insight informed by Hacker News discussions

What are the data ownership and export capabilities in Klaviyo?

You retain full ownership of your customer data in Klaviyo and can export lists, segments, and campaign reports via CSV exports or API endpoints. However, data extraction is limited to what their API supports, and bulk export of all historical campaign data may require multiple API calls or manual exports.

Community insight informed by StackOverflow discussions

Are there any notable API limitations when integrating Klaviyo with custom ecommerce platforms?

Klaviyo's API is robust for managing profiles, events, and campaigns, but it has rate limits that can impact large-scale data syncing. Additionally, some advanced segmentation and revenue attribution features are only accessible via their UI, not the API.

Community insight informed by Forums discussions

What are the recommended migration or export paths if moving away from Klaviyo?

Migrating away from Klaviyo typically involves exporting customer profiles and campaign data via CSV or API, then importing into the new platform. Since Klaviyo does not provide a direct migration tool, you may need custom scripts to extract event data and revenue attribution for full historical context.

Community insight informed by Reddit discussions

Mailchimp FAQ

Can I self-host Mailchimp or run it on my own servers for full data control?

No, Mailchimp is a fully managed SaaS platform and does not offer a self-hosted version. All data and email sending are handled through their cloud infrastructure, so you cannot run Mailchimp on your own servers for full data control.

Community insight informed by Reddit discussions

Does Mailchimp offer offline functionality or the ability to manage campaigns without internet access?

Mailchimp requires an active internet connection to create, edit, and send campaigns. There is no offline mode; all campaign management and automation setup happen through their web interface or API, which depend on connectivity.

Community insight informed by Hacker News discussions

What are the limitations of Mailchimp's API for integrating with custom applications?

Mailchimp's API supports audience management, campaign creation, and reporting, but it has rate limits (typically 10 requests per second) and does not expose advanced automation workflows or real-time event triggers. Complex automation often requires using their web interface or third-party integrations.

Community insight informed by StackOverflow discussions

How does Mailchimp handle data ownership and can I export all my subscriber and campaign data easily?

You retain ownership of your data in Mailchimp and can export your audience lists and campaign reports at any time via the web dashboard or API. However, exporting automation workflows or templates is limited; you may need to recreate complex automations manually if migrating.

Community insight informed by Forums discussions

What are the best practices for migrating from Mailchimp to another email marketing platform?

Export your audience lists as CSV files and download campaign reports from Mailchimp. Since automation workflows and templates cannot be exported directly, plan to rebuild them in the new platform. Also, verify API keys and unsubscribe statuses are correctly handled during migration to avoid compliance issues.

Community insight informed by Reddit discussions

Mautic FAQ

How complex is it to self-host Mautic for a small marketing team without dedicated DevOps?

Self-hosting Mautic requires a moderate level of technical expertise. You need to manage a web server (Apache or Nginx), PHP (7.4+), and a MySQL/MariaDB database. Initial setup involves configuring cron jobs for campaign automation and email sending. While the community provides installation guides, ongoing maintenance like updates, backups, and scaling requires some DevOps knowledge. For small teams without dedicated resources, using managed hosting or containerized deployments (Docker) can reduce complexity.

Community insight informed by Reddit discussions

Does Mautic support offline functionality or local campaign processing without constant internet access?

Mautic is primarily designed as a web-based platform and requires a running server environment with internet access for sending emails and tracking user interactions. It does not support offline campaign processing or local data entry without connectivity. However, since it is self-hosted, you can run it on a local network without internet, but outbound email delivery and external integrations will be limited until connectivity is restored.

Community insight informed by Hacker News discussions

How does Mautic handle data ownership and privacy when self-hosted?

When self-hosted, all data collected and processed by Mautic remains fully under your control on your infrastructure. There is no data sharing with third-party vendors unless you integrate external services manually. This setup allows compliance with strict data privacy regulations (e.g., GDPR) as you manage data retention, access controls, and backups. The open-source nature also means you can audit the codebase for privacy concerns.

Community insight informed by Forums discussions

Are there any significant API limitations when integrating Mautic with custom applications?

Mautic provides a REST API that covers most marketing automation features including contacts, campaigns, emails, and forms. However, some advanced features like real-time event tracking or complex reporting may require direct database queries or custom plugin development. Rate limiting is minimal but depends on your server resources. The API supports OAuth2 authentication, but some users report incomplete documentation for edge cases, so testing is recommended.

Community insight informed by StackOverflow discussions

What are the best practices for migrating existing email campaigns and contacts into Mautic?

Mautic supports CSV import for contacts and basic campaign data. For migrating complex workflows, you may need to recreate campaigns manually or use community plugins that assist with migration from platforms like Mailchimp or HubSpot. Exporting data from Mautic is straightforward via CSV or API, enabling backup or transfer. Planning the migration carefully is essential to preserve lead scoring, tags, and campaign triggers.

Community insight informed by Reddit discussions

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