| Price from | €70/mo | $13/mo |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 2 | 5 |
| Spec score · Email marketing tools | 8.4 (#53) | 9.4 (#2) |
| Spec score · Email Marketing Software | 8.3 (#62) | 9.0 (#10) |
| A/B testing | Yes | Yes |
| Analytics | Campaign reporting includes opening, click and interaction metrics, plus A/B tests. | Reporting includes campaign reports, send-time optimization, smart recommendations and engagement analytics. |
| API | The platform pricing includes a basic API, and the feature list identifies REST and SMTP APIs. | Mailchimp exposes open Marketing and Transactional APIs authenticated with OAuth or API keys. |
| Automation | Visual workflows can automate campaigns and trigger emails based on recipient actions and reactions. | Marketing Automation Flows automate campaigns and can contain up to 200 flows on higher plans. |
| Email automation | Yes | Yes |
| Founded | 1999 | 2001 |
| Free plan | No | Yes |
| Headquarters | Freiburg im Breisgau, Germany | Atlanta, USA |
| Integrations | The integrations directory lists connections including Salesforce Sales Cloud, Shopify, Microsoft Dynamics CRM, Make and Zapier. | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. |
| Security | Inxmail states that its platform is GDPR-compliant, processes data in Germany and is certified by TÜV Rheinland to ISO/IEC 27001:2022. | Mailchimp says its SOC 2 reports cover security, availability and processing integrity, and it maintains ISO 27001 certification and a VPAT. |
| Audience segmentation | Yes | Yes |
| Support | The platform offer includes two hours of monthly user support and Mail Relay includes one hour; the company also describes personal onboarding and ongoing assistance. | Official feature pages state 24/7 service and support, with onboarding specialists and customer-success services for paid customers. |