Best for
Best for small businesses that want an email marketing platform with templates, automation and an AI content generator, and phone support to get started.
- Freelancers
- Small and mid-sized
Email Marketing Comparison
Constant Contact vs. Mailmodo
At a glance
At a glance
Best for
Best for marketing teams that want interactive AMP emails, where forms and surveys run inside the inbox, backed by AI drafting and automation.
- Small and mid-sized
- Enterprise
Cataleo does not name a winner. Both statements come from the vendors themselves.
Full Comparison
| Criterion | Constant Contact | Mailmodo |
|---|---|---|
| Starting price | lower value From $12 / month Lite plan; the price scales with the number of contacts. Prepaying for 12 months saves up to 15 percent. | From $149 / month Lite plan, billed annually, for 500 contacts and 2,000 email credits per month; higher plans add contacts and credits. |
| Free trial | Free trial available, no credit card required | Free trial available |
| API | Yes, a v3 REST API for contacts and email campaigns with webhooks and OAuth 2.0 | Yes, an API, with integrations for Zapier, HubSpot, Customer.io and Clevertap |
| Hosting | Cloud (SaaS) | Cloud (SaaS) |
| Made in | United States | United States |
| Campaign types | Yes, email campaigns, with 500 SMS messages a month and social posts on the Premium plan | Yes, email newsletters and bulk campaigns, AMP interactive emails, and transactional email |
| Automation and journeys | Yes, automation templates, one on Lite, three on Standard and unlimited custom automations on Premium | Yes, email sequences and prebuilt automation templates |
| Segmentation and personalisation | Yes, ten custom segments on Standard and unlimited custom segments with dynamic content on Premium | Yes, contact segmentation, with AI segment generation |
| Templates and editor | Yes, an email editor with templates and an AI content generator | Yes, a drag-and-drop editor with AI template and subject-line generation and a brand kit |
| Deliverability and testing | Yes, subject line A/B testing and automatic resend to non-openers on Standard and Premium | Yes, a managed deliverability service: Mailmodo monitors its own sending IPs, keeps bulk and transactional mail on separate sending streams, provides its own high-reputation SMTP, and its in-house experts run a deliverability audit of email health, performance and domain reputation, then plan domain warm-up and safe volume increases |
| Ecommerce and CRM data | Yes, contact management with integrations, plus revenue reporting on the Premium plan | Yes, integrations with HubSpot, Customer.io and Clevertap for CRM data |
| Integrations and API | Yes, a v3 REST API for contacts and email campaigns with webhooks and OAuth 2.0 | Yes, an API, plus integrations for Zapier, HubSpot, Customer.io and Clevertap |
| AI features | Yes | Yes |
| Deployment | Cloud (SaaS), Browser-based | Cloud (SaaS), Browser-based |
| Support | Phone, Chat | more entries Email helpdesk, Chat, Phone |
| Onboarding | Not stated | Documentation and knowledge base |
| Company size | Freelancers, Small and mid-sized | Small and mid-sized, Enterprise |
| Integrations | Not stated | HubSpot, Customer.io, Clevertap, Zapier, Make, Google Sheets, Mailchimp, Shopify, Segment, Mixpanel, Twilio, Zoom, Google Calendar, Intercom, Zendesk, MoEngage, WebEngage |
Add a tool
Adds a column to the table, from the tools in this category.
Row where the values differ The small markers point at the lower number, the longer list or the stated feature. They describe the data, they are not a verdict.
The short version
Key Differences
- Starting price Constant Contact From $12 / month Mailmodo From $149 / month
- Free trial Constant Contact Free trial available, no credit card required Mailmodo Free trial available
- Company size Constant Contact Freelancers, Small and mid-sized Mailmodo Small and mid-sized, Enterprise
- Support Constant Contact Phone, Chat Mailmodo Email helpdesk, Chat, Phone
- API Constant Contact Yes, a v3 REST API for contacts and email campaigns with webhooks and OAuth 2.0 Mailmodo Yes, an API, with integrations for Zapier, HubSpot, Customer.io and Clevertap
Every line is one datapoint from the table above, picked automatically. Nothing here is written text.
The trade-offs
Strengths and Limitations
Constant Contact
Strengths
- AI content generator for on-brand emails, texts and social posts
- Automatic resend to non-openers and subject line A/B testing on the paid plans
- v3 REST API with webhooks and OAuth 2.0
- Prepaying for 12 months saves up to 15 percent
Limitations
- Prices scale with the number of contacts
- The Lite plan is limited to one user and one automation template
Mailmodo
Strengths
- AMP interactive emails with forms, surveys and carts inside the inbox
- AI generates templates, subject lines and segments
- Email sequences and prebuilt automation templates
- Integrations for HubSpot, Customer.io, Clevertap and Zapier
Limitations
- Higher entry price than most email tools, from $149 per month
- Plans start at 500 contacts
Plans
Pricing
Constant Contact
- Lite From $12 / month One user, one automation template and basic reporting, with monthly sends up to 10x the number of contacts. Scales with contacts.
- Standard From $35 / month Three users, email scheduling, subject line A/B testing, resend to non-openers, three automation templates, AI campaign building and ten custom segments.
- Premium From $80 / month Unlimited users, unlimited custom automations and segments, dynamic content, revenue reporting, dedicated support and 500 SMS messages a month.
Mailmodo
- Lite From $149 / month Billed annually; 500 contacts, 2,000 email credits per month and one team member.
- Pro From $199 / month Billed annually; 500 contacts, 3,000 email credits per month and three team members.
- Max Not stated Unlimited email credits and five team members, quoted by sales.
What users say
Review Scores · opens after launch
Constant Contact
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Mailmodo
- Ease of use
- Not rated yet
- User interface
- Not rated yet
- Onboarding
- Not rated yet
- Support and service
- Not rated yet
- Value for money
- Not rated yet
- Features
- Not rated yet
No reviews yet. Be the first to review this tool. Every review is checked for fairness before it appears, and the vendor cannot have one removed.
Where this comes from
Where this comes from
Constant Contact https://www.constantcontact.com · checked against the official source on 2026-08-19
Mailmodo https://www.mailmodo.com · checked against the official source on 2026-08-22
This table lists factual criteria taken from information the vendors publish themselves. For how we put it together, see the methodology.