Campaign Monitor alternatives
12 email marketing tools compared on data from stores OngoingAI observes — including 112 running Campaign Monitor. Adoption, platform split and growth, not vendor claims.
| Alternative | Stores observed | 30d net | Primary platform | Overlap | Rating | Pricing |
|---|---|---|---|---|---|---|
 Klaviyo: Email Marketing & SMS | 65,802 | +177 | Shopify | 7% | 4.7 | Free to install |
 Mailchimp Email SMS Marketing | 29,226 | +25 | Shopify | 3% | 4.8 | Free plan available |
 ActiveCampaign Marketing | 985 | +43 | WooCommerce | — | 4.5 | Free trial available |
 Omnisend Email Marketing & SMS | 10,611 | +28 | Shopify | — | 4.7 | Free to install |
| Mailchimp for WooCommerce | 8,535 | -29 | WooCommerce | 1% | — | — |
 Brevo | 4,525 | +185 | WooCommerce | 2% | — | — |
 Privy ‑ Email, SMS & Pop Ups | 3,030 | +3 | Shopify | 1% | 4.5 | From $24/month |
 MailerLite | 2,785 | +152 | Shopify | — | — | — |
| MailPoet | 1,090 | +20 | WooCommerce | — | — | — |
 Constant Contact | 672 | +20 | WooCommerce | — | — | — |
| Kit (ConvertKit) | 459 | +27 | WooCommerce | — | — | — |
 Flashy: Flash Sale Scheduler | 373 | +3 | Shopify | — | — | Free plan available |
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Frequently asked questions
Ranked by observed store adoption, the most widely used Campaign Monitor alternatives are Klaviyo, Mailchimp Email SMS Marketing, Omnisend Email Marketing & SMS, Mailchimp for WooCommerce.
Klaviyo is the most widely adopted Campaign Monitor alternative we track — observed on 65,802 ecommerce stores, versus 112 running Campaign Monitor.
Brevo gained the most confirmed installs over the last 30 days among the alternatives we track (+185 net confirmed stores).
Mailchimp Email SMS Marketing holds the highest rating among well-reviewed alternatives — 4.8 out of 5 across 1,456 reviews.
Klaviyo, Mailchimp Email SMS Marketing, ActiveCampaign Marketing advertise a free plan or free tier.