We Tested Campaign Monitor by Marigold vs. Constant Contact
- Here's the #1 Pick for 2025

14 minute read

In this comparison, we're putting Campaign Monitor by Marigold and Constant Contact head to head to see which tool better supports your email marketing efforts.

Disclaimer: The features, pricing, and details mentioned for each product are as of May 2025 and may have changed since then.

Comparison Image
CategoryWinnerNotes
User Sentiment Campaign Monitor Campaign Monitor: 4.7/5 (700+ reviews)
Constant Contact: 4.1/5 (6000+ reviews)
Design & User Experience Campaign Monitor Both platforms offer drag-and-drop email builders and mobile-ready templates. However, Campaign Monitor leans more into creative flexibility—with deeper design customization and tools like countdown timers.
Automation & Journeys Tie Campaign Monitor offers prebuilt automated journeys, such as welcome series, abandoned cart, anniversaries, and events. Contact supports similar automation flows with a multi-channel approach (email marketing and SMS), but limits automation templates on lower tiers (only 1 on the entry plan)
Deliverability & Performance Campaign Monitor Constant Contact: 97% delivery rate
Campaign Monitor: 99% delivery rate
Segmentation & Personalization Tie Both Campaign Monitor and Constant Contact offer dynamic content, custom fields, and logic-based targeting.
Integration Ecosystem Constant Contact Constant Contact: 300+
Campaign Monitor: 250+
AI–Powered Features Constant Contact Constant Contact offers BrandKit for auto-branding, AI campaign builder, and a content generator. Campaign Monitor focuses on email-specific AI tools like AI writer to deliver targeted support for marketers without being overwhelming.
Pricing & Scalability Campaign Monitor Campaign Monitor offers competitive pricing with transactional emails included, Mid-tier plan starts at $29 USD vs. Constant Contact's $35. Constant Contact restricts certain advanced features on lower plans—offering only 3 automation templates and a 10-segment limit on the mid-tier.
Support & Resources Tie Both platforms offer strong customer support. Campaign Monitor provides 24/5 global support , access to deliverability specialists, and onboarding assistance along with phone support on its premier plan. Constant Contact includes live phone and chat support across all plans, with priority access on higher tiers.

“Campaign Monitor is the best”

After using other marketing automation platforms like HubSpot, SurveyMonkey and Constant Contact, Campaign Monitor is the best... We're now getting 38% open rates on our engaged lists and 12% click through rates from email... which is far above industry standards.

Shaley M., Strategic Growth Manager

Head to head comparison

1. User sentiment

Feature Campaign Monitor Constant Contact
Average Rating 4.7/5 (700+ reviews) 4.1/5 (6000+ reviews)
Ease of Use Sentiment Consistently praised as intuitive Frequently noted as becoming increasingly complex in online reviews
Customer Support Satisfaction Highly rated for responsive, personalized, and knowledgeable support Well-regarded for accessible and helpful support
User Loyalty Many users report 10+ years of usage Strong small business following
Migration Patterns Testimonials from users switching from other platforms Some users migrate to simpler platforms
Best for → Businesses prioritizing user experience and support Small teams seeking simplicity and multichannel tools

While Constant Contact has strong reviews, particularly among smaller teams, Campaign Monitor consistently receives praise from users who value its intuitive interface and exceptional support.

quotation mark

”After using other marketing automation platforms like Hubspot, SurveyMonkey and Constant Contact,Campaign Monitor is the best.

Shaley M., a Strategic Growth Manager in Marketing and Advertising


2. Design & user experience

Feature Campaign Monitor Constant Contact
Email Editor Intuitive drag-and-drop email builder with advanced branding tool Easy-to-use drag-and-drop editor
Mobile Responsiveness All templates fully optimized for mobile Responsive templates
Design Flexibility Balance of simplicity and powerful customization tools Often noted in online reviews for having limited design freedom and customization
Brand Consistency Auto-branded custom templates AI brand kit for auto-branding
Best for → Designers and marketers seeking creative control with efficiency Small teams needing a wide selection of prebuilt layouts

Both Campaign Monitor and Constant Contact provide drag-and-drop email builders, mobile-responsive templates, and branding tools. Constant Contact also offers a landing page builder. However, Constant Contact, while user-friendly, may require more tweaks to achieve polished results, according to online reviews.

quotation mark

"Role Models used Campaign Monitor's email builder to maintain a consistent brand presence across communications, helping them achieve a 24% increase in bookings."

Read the case study here ➔

3. Automation & journeys

Feature Campaign Monitor Constant Contact
Trigger Options Time-based, behavior-based, and event-based triggers (opens, clicks) Includes email actions, link clicks, form signups, and ecommerce triggers
Journey Complexity Focused on email-centric journeys Primarily linear flows with limited branching capabilities as mentioned in online reviews
Prebuilt Journeys Prebuilt automated journeys, such as welcome series, abandoned cart, anniversaries, and events Includes welcome emails, cart reminders, resends, and promos
Conditional Knowledge If/then branching If/then branching
Best for → Businesses needing sophisticated automation Small teams wanting customizable journeys

Campaign Monitor offers prebuilt journeys (welcome series, abandoned cart, anniversaries), logics (delay, condition, custom field), and common triggers (subscriber joins a list, date-based, segment entry). While Constant Contact also supports automation through prebuilt flows, Campaign Monitor makes automation easier to implement without compromising on functionality.

quotation mark

"Campaign Monitor offers some of the best looking email templates. Drip Campaign / Automation / Journey feature is easiest to use of its counterparts as well."

Valerie H., Digital Sales and Marketing Manager, Consumer Goods


4. Deliverability & performance

Feature Campaign Monitor Constant Contact
Delivery Rate 99% delivery rate 97% delivery rate
Inbox Placement Strong reputation with email providers Strong reputation with email providers
Deliverability Tools Inbox previews, spam testing, and deliverability experts AI-powered spam detection for content
Performance Analytics Real-time tracking with detailed metrics Basic to detailed reporting based on plan
Sending Reliability Consistently high and stable performance Consistently high performance
Best for → Marketing professionals prioritizing deliverability Small to midsized businesses seeking reliable deliverability

Both platforms offer strong deliverability and consistent performance. Campaign Monitor includes real-time tracking (e.g., sends, opens, bounces), inbox previews, and access to deliverability experts. Constant Contact offers reliable infrastructure and spam detection. Campaign Monitor also offers this along with proactive tools to optimize inbox placement in a streamlined, user-friendly way.

quotation mark

"We use Campaign Monitor because it is quite easy to use. It is also very reasonably priced. We haven't had any problems with deliverability or in creating the emails."

verified user in Marketing and Advertising


5. Segmentation & personalization

Feature Campaign Monitor Constant Contact
Segmentation Capabilities Custom fields and advanced segmentation Segment builder with criteria (tags, contact lists, membership, and activity)
Dynamic Content Dynamic content blocks based on data Dynamic content
Personalization Tags Supports default tags (name, email) and up to 50 custom fields (birthday, country) Personalize using contact details and custom fields
Subscriber Preferences Fully customizable preference center (fields, frequency, topics, branding) Profile form for list management and preferences
Targeting Precision Strong targeting by engagement, behavior, demographics, and preferences Targeting using tags, contact details, and activity
Best for → Marketer-friendly personalization List-based audience targeting

Campaign Monitor offers intuitive personalization with custom fields, dynamic content (showing different content based on a subscriber’s interests), and a customizable preference center (frequency, topics)—tools designed to drive stronger customer engagement through more relevant messaging. Constant Contact also supports dynamic content, custom fields, and list/tag-based segmentation (e.g., targeting contacts by tags or recent email behavior), but Campaign Monitor delivers these capabilities through a more structured, marketer-friendly email marketing tool built for deeper personalization control.

quotation mark

The Australian Red Cross used Campaign Monitor's preference center and smart segmentation to achieve a 68% increase in open rates, a 201% increase in click-through rates, and a 75% increase in conversions from a single personalized email campaign.

Read the case study here →

6. Integration ecosystem

Feature Campaign Monitor Constant Contact
Email Integrations 250+ integrations 300+ integrations
CRM Integrations Integrations with various CRM platforms (Salesforce, Zoho, Zapier) Various CRM options (Salesforce, DonorPerfect, Zoho)
E-commerce Integrations Shopify, WooCommerce, MailSync Shopify, WooCommerce, Magneto
API Flexibility Robust API for custom integrations Comprehensive API access with developer resources
Integration Quality Deep integration with key platforms A broad range of integration options
Best for → Businesses using major marketing tools Companies needing specialized integrations

Campaign Monitor offers strong native integrations to platforms like Salesforce, Shopify, WooCommerce, and HubSpot. It also provides custom API access to support third party tools. Constant Contact also provides strong integrations spanning e-commerce (Square, Magento) and CRM (Salesforce, DonorPerfect). While Constant Contact offers a broader integration variety, Campaign Monitor delivers a more structured, marketer-focused experience with deeper integrations to core marketing tools.

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Girls Who Code leveraged Campaign Monitor's Salesforce integration with custom fields for deeper list precision, helping them achieve a 40% email open rate, 22% click-to-open rate, and a 150% increase in student applications.

Read the case study here →

7. AI-powered features

Feature Campaign Monitor Constant Contact
AI Content Creation Content creation with AI writer AI content generator
Design Intelligence Personalized copy suggestions (adapt your content for specific audiences), auto-branding AI brand kit for auto-branding
Optimization Tools A/B testing with insights & goals (increase open-rates, click-through rates, or visits to a URL) AI spam detection for content
Send Time Optimization Send time recommendation & time zone sending feature Manual send-time review via campaign reports (no automated optimization)
Best for → Marketers preferring focused AI assistance Comprehensive AI campaign creation

Campaign Monitor offers focused AI tools for marketers—like AI writer to create content and refine copy, send time optimization (sending emails when a subscriber is most likely to engage), and a time zone sending feature that adjusts delivery times to match each subscriber’s local time. Constant Contact emphasizes AI-driven content creation and branding with tools like BrandKit (automatically pulling your logo, fonts, and colors) and a campaign builder that assembles full emails from prompts. While Constant Contact offers more AI tools, Campaign Monitor provides focused AI features that have been thoughtfully designed to enhance the user experience without being overwhelming.

8. Pricing plans & scalability

Feature Campaign Monitor Constant Contact
Free Plan 30-day free plan (500 contacts) 30-day free trial (100 email sends)
Entry-Level Plan Lite: Starts at $12 USD/month Lite: Starts at $12/month
Mid-Tier Plan Essentials: Starts at $29 USD/month Essentials: Starts at $35/month
Premium Plan Premier: Starts at $15 Premium: Starts at $80/month
Best for → Businesses wanting predictable pricing Organizations with limited email volume

Both Campaign Monitor and Constant Contact offer contact-based pricing models. Campaign Monitor provides dynamic content, segmentation tools, and transaction emails—even in its mid-tier plans. Constant Contact's mid-tier plan offers 3 automation templates and 10 custom segments.

9. Support & resources

Feature Campaign Monitor Constant Contact
Support Channels 24/5 global support via multiple channels Phone and live chat support on all plans
Support Response Time Fast response times consistently praised; priority support on both mid-tier & high-tier plans Responsive support; priority support access on premium plan
Knowledge Resources Extensive help center, training videos, and email academy Knowledge base, tutorials, and community support
Onboarding Assistance Professional email marketing services team available 1:1 onboarding
Deliverability Expertise Deliverability specialists and spam testing Deliverability specialists available
Best for → Businesses valuing responsive support Self-sufficient teams with basic needs

Campaign Monitor offers 24/5 global support, with priority access starting from the mid-tier plan and deliverability specialists available to assist with inbox placement. Constant Contact provides phone and chat support across all plans, but reserves priority access for premium users. Both platforms offer extensive knowledge bases and training resources, though Campaign Monitor includes access to its Email Academy even on the free plan.

quotation mark

"Been working with Campaign Monitor for 10+ years… Not only does the platform make sending highly-customized emails easy and fun, their support team is phenomenal… Highly recommend."

JoAnn H., Creative Account Manager (G2)


Word on the street about Campaign Monitor is...

★★★★★

"Campaign Monitor is the top email marketing platform"

★★★★★

“I love creating email workflows using Campaign Monitor.”

★★★★★

"Love Campaign Monitor"

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