| Price from | $13/mo | Free |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | — |
| Plans published | 5 | 1 |
| Spec score · Google Workspace for Marketing Software | 9.2 (#1) | 7.4 (#10) |
| Automation | Marketing Automation Flows automate campaigns and can contain up to 200 flows on higher plans. | It supports scheduled campaigns, automated follow-ups, and personalized emails triggered by Google Forms submissions. |
| Integrations | Mailchimp advertises more than 300 integrations, including Shopify, WooCommerce, Canva, Zapier, Salesforce, WordPress, Stripe and QuickBooks Online. | Mergo works with Gmail and Google Sheets, and its features also use Google Docs, Drive, Contacts, and Forms. |
| Support | Official feature pages state 24/7 service and support, with onboarding specialists and customer-success services for paid customers. | Mergo provides support by email and says free-period support is provided on a best-effort basis. |