EmailBuilder.ai vs Unitpost
EmailBuilder.ai
emailbuilder.aiUnitpost
unitpost.comSide by side
| Figure | EmailBuilder.ai | Unitpost |
|---|---|---|
| Price from | $39/mo | $30/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 4 | 5 |
| Spec score · Email Design Software | 9.1 (#4) | 7.7 (#29) |
| Audience | The site lists e-commerce, SaaS and technology, marketing agencies, media and publishing, financial services, and healthcare among its industries. | The site positions Free for side projects, Starter for production apps, Growth for scaling teams, and Enterprise for senders sending 1M+ or needing custom terms. |
| Headquarters | Manhattan, Kansas, USA | Wilmington, Delaware, United States |
| Integrations | Named integrations include SendGrid, Mailjet, Mailgun, Brevo, Amazon SES, Postmark, Mailchimp, Zoho Campaigns, Gmail and Outlook. | The site lists SDKs for Node.js, Python, Ruby, PHP, Laravel, Go, Rust, Java, and .NET, along with a REST API and SMTP relay. |
| Product | EmailBuilder.ai is a drag-and-drop HTML email builder designed to create emails for sending through an email service provider. | Unitpost provides transactional and marketing email infrastructure through an editor, code, or AI agent. |
| Security | The privacy policy says personal information is stored on secure servers, payment transactions are encrypted using SSL, and access is limited to people with a business need to know. | The privacy policy lists encryption in transit and at rest, managed-key encryption for sensitive credentials, hashed API keys, signed webhooks, rate limiting, and access controls. |
| Support | Email support is offered for questions, bugs and account issues, with a stated typical response within 24 business hours. | The Enterprise plan includes dedicated support, and the privacy policy identifies Intercom as the in-app and website support messaging subprocessor. |
Plans
EmailBuilder.ai
- PlaygroundFree
- Maestro$39 a month
- Studio$199 a month
- Orchestra$499 a month
Unitpost
- FreeFree
- FreeFree
- Starter$30 a month
- Growth$200 a month
- EnterprisePriced on request
In their own words
EmailBuilder.ai
EmailBuilder.ai is a web-based drag-and-drop builder for HTML emails sent through an email service provider. It is described for marketing campaigns, newsletters, transactional messages, welcome series, product announcements and custom HTML emails. Its AI assistant can rewrite copy, adjust tone, translate content and generate MJML sections from prompts. The builder compiles email HTML using MJML and provides virtual previews for phones, tablets and desktop. Users can create branded headers, footers and content blocks for reuse; the homepage lists more than 50 modules. HTML export and custom code editing are available. The integrations page says the service connects with more than 90 platforms and lists providers including SendGrid, Mailjet, Mailgun, Brevo, Amazon SES, Postmark, Mailchimp, Zoho Campaigns and Gmail. Many listed providers are marked “Coming Soon.” The free Playground plan includes 10 emails, 3 templates, 50 AI Assistant calls and 5 sends or exports. Maestro is $39 a month and lists 2 projects, unlimited emails and templates, 200 AI Assistant calls, 50 AI images, and 100 monthly sends or exports. A 30-day trial is listed.
Unitpost
Unitpost provides transactional and marketing email infrastructure through a visual editor, code or an AI agent. Users can build templates visually or in TSX, personalize them with typed variables and fallbacks, preview them, and send test messages to an inbox. Contacts support custom fields and segments, while opt-outs, bounces and complaints are automatically suppressed. Analytics list delivery rates, opens, clicks and an event timeline. Unitpost offers SDKs for Node.js, Python, Ruby, PHP, Laravel, Go, Rust, Java and.NET, plus a REST API and SMTP relay. Webhooks are HMAC-signed and retried until acknowledged, and inbound email can be parsed into customer workflows. It describes DKIM, SPF and DMARC authentication, suppression, idempotency and rate limits as deliverability measures. Free includes 5,000 emails per month and 200 per day; sending stops at the monthly quota or daily cap. Starter costs $30 a month and Growth costs $200 a month. Enterprise pricing is custom. The site positions its plans for side projects through high-volume or custom-term senders.