
Constant Contact
8.5#7 in email marketing toolsFrom $12 a monthAndroidiOSWebAPI
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| Fact | Constant Contact | Mailchimp |
|---|---|---|
| A/B testing | Subject-line A/B testing is provided to improve open rates. | A/B testing is offered for testing and optimizing email campaigns. |
| API | The public V3 API covers email marketing, contact management and ecommerce integrations. | Mailchimp exposes open Marketing and Transactional APIs authenticated with OAuth or API keys. |
| API documentation | Developer documentation includes conceptual guides, endpoint references, OAuth2 instructions, schemas, examples and an interactive Try feature. | Developer documentation includes API references, guides, integration guidance, webhooks and release notes. |
| Audience segmentation | Yes | Yes |
| Automation | Automations support multi-step flows and event-triggered messages. | Marketing Automation Flows automate campaigns and can contain up to 200 flows on higher plans. |
| Company size | LinkedIn lists company size as 1,001–5,000 employees and shows 1,126 employee profiles. | LinkedIn lists Mailchimp as an Atlanta-based private company with 1,001–5,000 employees. |
| Email automation | Yes | Yes |
| Founded | The company’s own history says its mission began in 1995; LinkedIn lists 1996 as the founded year. | 2001 |
| Free plan | No | Yes |
| Headquarters | Waltham, Massachusetts, United States | Atlanta, USA |
| Integrations | The app directory lists more than 300 native integrations, including Google, Microsoft, Canva, LinkedIn, Shopify, Eventbrite and Zapier. | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. |
| Landing pages | Customizable lead-generation landing pages can add signups to selected contact lists. | Yes |
Constant Contact suits individuals and teams managing email campaigns for audiences of up to 500 subscribers. Users can consider the plan limits according to their monthly send volume and number of users.
Mailchimp suits people who need email campaigns alongside automation, segmentation, landing pages, or A/B testing. Its free plan may fit smaller contact lists and modest monthly sending needs.