| Price from | $13/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 5 | 2 |
| Spec score · Marketing Automation Software | 9.3 (#2) | 7.7 (#73) |
| A/B testing | A/B testing is offered for testing and optimizing email campaigns. | A/B testing is provided for optimizing customer journeys, connect rates, messaging and satisfaction. |
| Analytics | Reporting includes campaign reports, send-time optimization, smart recommendations and engagement analytics. | The product includes analytics, reporting, customizable dashboards, transcription, summaries and conversation intelligence. |
| Company size | LinkedIn lists Mailchimp as an Atlanta-based private company with 1,001–5,000 employees. | LinkedIn lists the company size as 51–200 employees. |
| Founded | 2001 | 2020 |
| Headquarters | Atlanta, USA | New York City, United States |
| Integrations | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. | Regal advertises more than 40 integrations covering CRMs, marketing platforms and other business systems. |
| Rating on Capterra | 4.5 out of 5 from 17,528 reviews | 4.8 out of 5 from 4 reviews |
| Rating on G2 | 4.3 out of 5 from 18,430 reviews | 4.7 out of 5 from 45 reviews |
| Rating on Gartner Peer Insights | 4.4 out of 5 from 1,260 ratings | 5.0 out of 5 from 1 review |
| Security | Mailchimp says its SOC 2 reports cover security, availability and processing integrity, and it maintains ISO 27001 certification and a VPAT. | The pricing page lists SOC 2 Type II, HIPAA, GDPR, CCPA, and PCI DSS compliance; the security page describes SOC 2 certification and adherence to GDPR and CCPA standards. |
| Support | Official feature pages state 24/7 service and support, with onboarding specialists and customer-success services for paid customers. | All plans include a dedicated implementation team, emergency support and integration help from forward-deployed engineers. |
| What it does | Mailchimp is an email and marketing-automation platform for growing businesses, combining email, social, landing pages, advertising and AI recommendations. | Regal is an enterprise AI-agent platform for building, improving and managing customer-support, sales and operations communications. |