| Price from | $13/mo | ₹9/mo |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 5 | 1 |
| Spec score · Email Analytics | 9.1 (#1) | 5.6 (#9) |
| Analytics | Reporting includes campaign reports, send-time optimization, smart recommendations and engagement analytics. | MailSend provides open and click tracking, with aggregated analytics powered by Cloudflare Workers. |
| Security | Mailchimp says its SOC 2 reports cover security, availability and processing integrity, and it maintains ISO 27001 certification and a VPAT. | The privacy policy states that MailSend uses TLS 1.3 in transit, AES-256 encryption at rest, role-based access control, and audit logging. |
| What it does | Mailchimp is an email and marketing-automation platform for growing businesses, combining email, social, landing pages, advertising and AI recommendations. | MailSend is a bulk and transactional email platform for campaigns, newsletters, OTPs, alerts, password resets, order updates, and automated customer emails. |