| Price from | $13/mo | — |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 5 | 6 |
| Spec score · Transactional SMS Software | 9.0 (#5) | 7.7 (#41) |
| Headquarters | Atlanta, USA | Paphos, Cyprus |
| Integrations | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. | The integrations page lists Zapier, Salesforce, SMS API, SMPP API, and email-based integration among its options. |
| Security | Mailchimp says its SOC 2 reports cover security, availability and processing integrity, and it maintains ISO 27001 certification and a VPAT. | Intergo Telecom says it has adopted an Information Security Management System in accordance with ISO 27001:2022. |
| Support | Official feature pages state 24/7 service and support, with onboarding specialists and customer-success services for paid customers. | The homepage advertises 24/7 support and worldwide coverage. |
