Growmail vs Letter Friend
| Growmail | Letter Friend | |
|---|---|---|
| Platforms | api, Web | api, Web |
| Mail formats | Postcards, brochures, flyers, and letter mailers | handwritten letters; handwritten envelopes; thank-you cards; birthday cards; business cards; branded stationery |
| Personalization level | variable | one-to-one |
| API access | Yes | Yes |
| CRM connections | Salesforce, Shopify, Intuit, Capsule, Planning Center, Zapier | Salesforce; HubSpot; Pipedrive; Zoho; Monday |
| Address verification | Yes | Yes |
| Delivery scope | domestic | international |
| Free plan | No |
Listed together in Best Direct Mail Automation Software