Kit (ConvertKit)

Mailchimp

Mailchimp is the most recognizable name in email marketing and the default starting point for non-technical teams. It pairs a best-in-class drag-and-drop email editor with a large template library, landing pages, and an increasingly capable customer journey builder. The free tier is usable for testing with up to 500 contacts, though it has been cut back over the years, and pricing rises quickly as lists grow. Since its acquisition by Intuit, Mailchimp has pushed hard into AI-assisted content and predictive segmentation, but the core value remains the same: it is the easiest way for a small business to send professional, branded email. For simple newsletters and basic automations, it is hard to beat; for advanced, multi-step automation, ActiveCampaign is stronger.

Best for: ["Beginners", "Small businesses", "Ecommerce stores", "Simple email campaigns"]

ActiveCampaign

ActiveCampaign is the category benchmark for marketing automation, combining a best-in-class visual automation builder with a built-in CRM and predictive AI. Where Mailchimp tops out at standard journeys, ActiveCampaign supports virtually unlimited conditional branching, event-based triggers, goal-based paths and split testing within workflows, all on a visual canvas that keeps complex logic manageable. The platform also leads on deliverability and includes multi-channel automation across email, SMS and site messaging. The trade-off is a steeper learning curve and no free plan - pricing starts around $15 per month for 1,000 contacts and scales with list size. For businesses that treat email as a growth engine with real sales-pipeline logic, ActiveCampaign is the most capable choice.

Best for: ["B2B businesses", "Advanced automation needs", "Sales + marketing teams", "Ecommerce brands"]

HubSpot Marketing Hub

Marketing Hub is HubSpots marketing layer, and its defining characteristic is breadth. Email marketing, landing pages, forms, live chat, a CMS, social scheduling, ad management, SEO tooling, and increasingly AI content and campaign assistants all live in one platform on top of the same contact database as Sales Hub and Service Hub. That shared data model is the reason companies choose it: marketing, sales and service see one customer record, and attribution spans the whole lifecycle rather than stopping at the email click. The free tier is generous and genuinely useful for small teams, and the onboarding and educational resources are the best in the industry. The costs are the well-known catch. Moving from Starter to Professional is a steep jump, contact-based pricing punishes large lists, and the most valuable automation and attribution features sit in the expensive tiers.

Best for: ["B2B and inbound marketing teams", "Companies wanting marketing and sales on one database", "Teams starting on free tools", "Organizations consolidating multiple tools"]

Drip

Drip was one of the first platforms to call itself an ecommerce CRM rather than an email tool, and that framing still describes it accurately. It combines email, SMS and on-site personalization with a customer record built from order history, browsing behavior and engagement, so you can build workflows that react to what a shopper actually did. The visual workflow builder is capable, multi-channel campaigns are straightforward to assemble, and the personalization rules can swap content based on tags, purchases or behavior without heavy configuration. Drip suits smaller direct-to-consumer brands that want more sophistication than Mailchimp but are not ready for Klaviyo pricing at scale. Since being acquired, development has been steadier than flashy, and the platform is clearly narrower than the leaders. Pricing starts around $39 per month and scales with contacts, and there is no free plan.

Best for: ["Small DTC and ecommerce brands", "Teams wanting multi-channel workflows", "Brands needing on-site personalization", "Shopify merchants below enterprise scale"]

Klaviyo

Klaviyo is the marketing platform ecommerce brands move to when Mailchimp stops being enough. The difference is the data model: Klaviyo ingests your store's orders, browsing behavior and product catalog, then lets you segment on what people actually bought and build flows around it, abandoned carts, browse abandonment, post-purchase sequences, replenishment reminders and win-back campaigns. Crucially, it attributes revenue back to each message, so you can see exactly what a flow earned rather than just open rates. Email and SMS live in the same builder, so a cart recovery sequence can branch across both channels. The segmentation and predictive analytics, including churn risk and predicted lifetime value, are the deepest in the ecommerce category. Pricing scales with active profiles, which gets expensive as your list grows, and the platform is much less compelling outside ecommerce.

Best for: ["Shopify and ecommerce brands", "Teams measuring revenue per email", "Brands combining email and SMS", "DTC companies with retention focus"]

ActiveCampaign

ActiveCampaign is the category benchmark for marketing automation, combining a best-in-class visual automation builder with a built-in CRM and predictive AI. Where Mailchimp tops out at standard journeys, ActiveCampaign supports virtually unlimited conditional branching, event-based triggers, goal-based paths and split testing within workflows, all on a visual canvas that keeps complex logic manageable. The platform also leads on deliverability and includes multi-channel automation across email, SMS and site messaging. The trade-off is a steeper learning curve and no free plan - pricing starts around $15 per month for 1,000 contacts and scales with list size. For businesses that treat email as a growth engine with real sales-pipeline logic, ActiveCampaign is the most capable choice.

Best for: ["B2B businesses", "Advanced automation needs", "Sales + marketing teams", "Ecommerce brands"]