MailerBot vs PostBridge
MailerBot
mailerbot.comPostBridge
postbridge.aiSide by side
| Figure | MailerBot | PostBridge |
|---|---|---|
| Price from | $99/mo | $39/mo |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 3 | 2 |
| Spec score · Direct Mail Automation Software | 8.7 (#4) | 7.9 (#10) |
| Automation | Scale includes automated drip sequences, triggered sends, and multi-touch flows. | PostBridge offers REST API endpoints, MCP tools, GPT Actions, SDKs, and agent workflows for postal automation. |
| Integrations | The integrations page describes an MCP server for Claude, ChatGPT, Cursor, and other MCP-compatible clients, authenticated through OAuth 2.1. | The site lists integrations including Clio, QuickBooks, Salesforce, HubSpot, Zoho Books, Zoho Invoice, Harvest, Google Sheets, Airtable, Google Drive, OneDrive, Dropbox, SharePoint, Google Docs, and Canva. |
| Product | MailerBot creates, personalizes, and sends postcards, letters, and invoices through an API or dashboard. | PostBridge lets teams upload a PDF or connect a workflow so it can print and mail business documents while keeping tracking and mailing records together. |
| Support | Launch includes community and email support with a stated 48-hour response, while Scale adds priority email and chat during business hours. | The site lists support at [email protected]. |
Plans
PostBridge
- Business/Profile$39 a month
- Enterprise & high-volume mailPriced on request
In their own words
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.
PostBridge
PostBridge helps teams print and mail business documents from PDFs or connected workflows while keeping tracking and mailing records together. Its workspace supports letters, postcards, stamps, shipping labels, tracked delivery, verified delivery, and address verification. A team reviews the quote, and a member must approve a job before it prints. Connections include Clio, QuickBooks, Salesforce, HubSpot, Zoho Books, Google Sheets, Airtable, Google Drive, OneDrive, Dropbox, SharePoint, Google Docs, and Canva. Postal automation is available through REST API endpoints, MCP tools, GPT Actions, SDKs, and agent workflows. PostBridge serves the United States, United Kingdom, and France through USPS, Royal Mail, and La Poste. It is available on web, iOS, Android, and inside ChatGPT. The Business/Profile plan costs $39 a month; it includes five licensed Team members, unlimited free viewers, and separately charged postal usage. An eligible workspace receives one 14-day first trial; a qualifying carrier-QR first trial lasts 28 days. Proof documents can be downloaded for seven years, while letter content and uploaded files have shorter retention periods.