| Price from | Free | $13/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 6 | 5 |
| Spec score · Email Marketing Software | 8.2 (#70) | 9.0 (#10) |
| Spec score · Email marketing tools | 7.7 (#118) | 9.4 (#2) |
| A/B testing | Yes | Yes |
| API | BayEngage provides APIs for syncing email contacts and suppression lists and integrating marketing workflows and automations. | Mailchimp exposes open Marketing and Transactional APIs authenticated with OAuth or API keys. |
| Email automation | Yes | Yes |
| Email marketing | It supports email campaigns, signup forms, audience segmentation, A/B testing, automation workflows, and campaign reports. | The product sends personalized email campaigns and provides campaign creation tools. |
| Free plan | Yes | Yes |
| Integrations | The maker lists Shopify, WooCommerce, BigCommerce, Adobe Commerce (Magento), and Canva among its app and integration ecosystem. | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. |
| Segmentation | The segment builder combines multiple rules and filters, and segments can update in real time. | Yes |
| SMS | SMS features include campaigns, one-to-one conversations, pre-built message ideas, consent keywords, and event-triggered automation. | SMS marketing is available as an add-on for paid plans in selected markets after application and approval. |
| Subscriber limit | 1000 | 500 |
| Support | Monthly pricing includes email support, knowledge-base access, and deliverability monitoring; Full Migration adds 24/7/365 priority support and a dedicated success manager. | Official feature pages state 24/7 service and support, with onboarding specialists and customer-success services for paid customers. |
