Letter Friend vs MailerBot
Letter Friend
letterfriend.com
MailerBot
mailerbot.comSide by side
| Figure | Letter Friend | MailerBot |
|---|---|---|
| Price from | — | $99/mo |
| Free plan | — | — |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · Direct Mail Automation Software | 8.0 (#7) | 8.7 (#4) |
| Integrations | Letter Friend describes an open API, email-to-mail integration, and Zapier connectivity. | The integrations page describes an MCP server for Claude, ChatGPT, Cursor, and other MCP-compatible clients, authenticated through OAuth 2.1. |
| Support | The site offers a free consultation and lists phone support at 1-201-500-7766 and [email protected]. | Launch includes community and email support with a stated 48-hour response, while Scale adds priority email and chat during business hours. |
| What it does | Letter Friend provides real handwritten direct mail for businesses, with letters written and mailed by people. | MailerBot lets businesses create, personalize and send physical postcards, letters and invoices through a web dashboard or API. |
Plans
In their own words
Letter Friend
Letter Friend has no write-up on Specifiction yet; its figures are above.
MailerBot
MailerBot creates and sends physical postcards, letters, invoices, EDDM and custom print pieces through an API or dashboard. Users can design postcards, write letters in a rich text editor or upload print-ready PDFs. Designs support merge fields, links, QR codes and coupon codes with usage tracking. Contacts can be imported from CSV, checked against addresses and grouped into targeted lists. Campaign analytics track spend, volume and delivery rates, with date filters and report export. The REST API has more than 50 endpoints and supports JWT and API key authentication. Scale adds automated drip sequences, triggered sends and multi-touch flows. MailerBot says it prints, stamps and mails pieces, with delivery-status tracking; Launch includes USPS Intelligent Mail Barcode tracking on each piece. Scale costs $99/month, with letters priced at 69¢ for the first page plus 15¢ per additional page and postcards at 49¢. Command costs $399/month. The site presents the service for retail, nonprofits, home services, startups and digital nomads.