Ontraport vs Plunk
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Ontraport compared with Plunk
| Detail | Ontraport | Plunk |
|---|
| What it does | All-in-one CRM & marketing automation for small business
| Open-source email platform for transactional, marketing, and automation
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| Stage | Established
| Not given
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| Founded | 2006
| Not given
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| Based in | US
| EU
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| Pricing model | freemium
| Not given
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| Pricing | 14-day free trial with no credit card required. Monthly or annual subscription plans available.
| Free plan: 1,000 emails per month with Plunk branding. Paid plan: $0.001 per email with no branding. Unlimited contacts on both plans.
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| Key features | - CRM with single shared customer record and visual pipeline
- Email and SMS marketing automation
- Payments and subscription management
- No-code CMS for websites and portals
- Lead scoring and routing
- AI Assistant integrated in workflows
- Custom objects for complex data management
- Shared Inbox for unified communication
- Attribution and campaign tracking
| - Transactional email sending via API and SMTP
- Workflow automation with event triggers and branching
- Campaign broadcasts to segments or full contact list
- Dynamic audience segmentation
- Email analytics with opens, clicks, bounces tracking
- Inbound email reception and reply handling
- SMTP support for existing clients and frameworks
- MCP server for AI agent integration
- Visual email editor with HTML sync
- Custom domain setup with automatic DKIM, SPF, DMARC
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| What makes it different | - All-in-one platform without enterprise cost or complexity
- Built for small and mid-sized businesses ready to scale
- No code required for customization and web building
- Award-winning support and customer service
- Single unified database for all business operations
| - All features included on every plan with no tiers or add-ons
- Fully open-source and self-hostable on own infrastructure
- Pay only for emails sent, never per contact
- One unified contact list for all email types
- Less than five minutes to send first email
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 80 ● no change since last check | 57 ● no change since last check |
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| Trust Flow (Majestic) | 40 | 28 |
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| Citation Flow (Majestic) | 48 | 42 |
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| Referring domains (Majestic) | 3841 | 542 |
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5 details filled in for both companies.
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