Marketing automation is the bridge between "sending emails" and "running a revenue engine." The right tool helps you nurture leads, segment audiences, score engagement, and trigger personalized campaigns — all without manual effort.
We tested the five most popular marketing automation platforms for small business. Here's the full breakdown.
1. At a Glance
| Tool | Starting Price | Free Tier | Best For | Rating |
|---|---|---|---|---|
| ActiveCampaign | $15/mo (1K contacts) | ❌ No free plan | Overall best for small biz | ⭐⭐⭐⭐⭐ |
| HubSpot Marketing Hub | $20/mo (1K contacts) | ✅ Yes (limited) | HubSpot CRM users | ⭐⭐⭐⭐ |
| Klaviyo | $20/mo (500 contacts) | ✅ Yes (250 contacts) | E-commerce | ⭐⭐⭐⭐⭐ |
| Mailchimp | $13/mo (500 contacts) | ✅ Yes (500 contacts) | Beginners | ⭐⭐⭐½ |
| Brevo | $9/mo (unlimited contacts) | ✅ Yes (300 emails/day) | Budget-conscious teams | ⭐⭐⭐⭐ |
2. Pricing — What You Actually Pay
ActiveCampaign starts at $15/mo for 1,000 contacts (Lite plan). The Plus plan ($49/mo) adds landing pages and lead scoring, which most growing businesses need. HubSpot Marketing Hub starts at $20/mo for 1,000 contacts (Starter). The real power is in Professional ($800/mo) — which is a big jump. Klaviyo starts at $20/mo for 500 contacts. Pricing scales by contact count, not features. Mailchimp starts at $13/mo for 500 contacts. The free plan is generous but limited. Brevo starts at $9/mo for unlimited contacts (limited to 10K emails/mo). Cheapest option by far.
3. Head-to-Head: Automation, Deliverability, Ease of Use
Best automation builder: ActiveCampaign. The visual automation builder is intuitive and powerful. You can create complex multi-step journeys with conditions, splits, and goals. HubSpot's is close but more expensive. Mailchimp's is simplified to the point of frustration. Best deliverability: ActiveCampaign and Klaviyo consistently score highest. Mailchimp has had deliverability issues in recent years. Easiest to use: Mailchimp wins for absolute beginners. HubSpot has the best onboarding. ActiveCampaign has a learning curve but rewards investment.
4. So… Which One Should You Pick?
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