Klaviyo

4.7 Our Rating

Klaviyo is an AI-powered email and SMS marketing platform for B2C brands, unifyi...

VS 2026

Constant Contact

4.2 Our Rating

Constant Contact provides an accessible platform for small businesses to create,...

Klaviyo vs Constant Contact: Which Is Better in 2026?

Comprehensive comparison of Klaviyo and Constant Contact covering features, pricing, pros & cons, and our expert verdict to help you make the right choice for your business.

Klaviyo vs Constant Contact: Overview

Choosing between Klaviyo and Constant Contact is a common dilemma for email marketing users. Both tools offer robust solutions, but they cater to different needs and budgets.

Klaviyo offers a free tier and starts at $0/monthly, while Constant Contact begins at $12/monthly. But pricing is just one factor—let's dive into features, use cases, and which tool fits your specific needs.

Klaviyo is best known for delivers 63x average roi through data-driven personalization and ai, whereas Constant Contact stands out for easy-to-use drag-and-drop editor for quick campaigns. In this detailed comparison, we'll analyze both tools across pricing, features, ease of use, and ideal use cases.

Quick Overview

Klaviyo

  • Best for: Ecommerce brands building personalized campaigns for sales and loyalty, B2C businesses needing omnichannel email/SMS/push automation
  • Starting price: Free
  • Category: email marketing
  • Founded: 2012
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Constant Contact

  • Best for: Small businesses starting email campaigns, Nonprofits seeking discounted marketing
  • Starting price: $12/mo
  • Category: email marketing
  • Founded: 1996
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Feature Comparison

Side-by-side feature comparison to help you understand the key differences between Klaviyo and Constant Contact.

Feature
Klaviyo
Constant Contact
AI-powered personalization Generates on-brand templates, subject lines, and campaign versions
Drag-and-drop email editor 160+ customizable templates Available on all plans
Customer segmentation Using any data source with 350+ integrations
Personalized product recommendations Based on browsing history and past purchases
Smart Send Time AI optimizes delivery time for max engagement
Automated flows and campaigns Abandoned cart, welcome series, shipping alerts
Inbox reputation repair AI ensures emails land in inbox
Built-in reporting Campaign performance and revenue attribution
Multi-channel support Email, SMS, WhatsApp, mobile push
AI Marketing Agent Analyzes site and brand to create content
Customer profiles Unified data from tech stack
A/B testing Test different campaign variations
AI copy generator Available on all plans
Premade templates Hundreds of templates available
AI-powered branding tools Available on all plans
Email automation Standard and Premium plans
Contact segmentation Standard and Premium plans
SMS marketing $10/month add-on, included in Premium
Website builder 1-5 sites depending on plan
GDPR compliance tools Available on all plans
CAN-SPAM compliance Available on all plans
Live 1:1 onboarding All plans, priority in Premium
Phone and chat support All plans, dedicated priority in Premium
Inbox preview Premium plan only
Multi-account management Custom plans only
Mobile-responsive designs All templates are mobile-responsive

Features Deep Dive

Both Klaviyo and Constant Contact offer core email marketing functionality, but their feature sets differ in key areas.

Shared features: Drag-and-drop email editor.

Klaviyo unique strengths: AI-powered personalization, Customer segmentation, Personalized product recommendations. This makes it ideal for ecommerce brands building personalized campaigns for sales and loyalty.

Constant Contact unique strengths: AI copy generator, Premade templates, AI-powered branding tools. This makes it better suited for small businesses starting email campaigns.

Klaviyo offers 12 core features with 8 integrations, while Constant Contact provides 15 features and 6 integrations.

Our Verdict

After extensive testing and analysis, Klaviyo edges out as the winner in this comparison. While both tools excel in their respective areas, Klaviyo offers better overall user satisfaction. Constant Contact remains a strong alternative, especially for users who prioritize small businesses starting email campaigns.

Winner

Klaviyo

Best for Ecommerce brands building personalized campaigns for sales and loyalty and B2C businesses needing omnichannel email/SMS/push automation. Delivers 63x average ROI through data-driven personalization and AI.

Try Klaviyo
Alternative

Constant Contact

Best for Small businesses starting email campaigns and Nonprofits seeking discounted marketing. Easy-to-use drag-and-drop editor for quick campaigns.

Try Constant Contact

Pros & Cons

Klaviyo Pros & Cons

Pros
  • Delivers 63x average ROI through data-driven personalization and AI
  • 350+ seamless integrations for easy data unification across channels
  • Free tier ideal for testing with real features like 500 emails/month
  • AI automation handles send times, templates, and inbox optimization
  • Powers 193,000+ brands with proven omnichannel growth
  • High-converting tools like product recommendations boost engagement
  • Built-in Customer Hub and reporting for analytics without extras
Cons
  • Limited free tier caps at 250 profiles/500 emails, requiring upgrade for scale
  • Usage-based pricing can escalate quickly with growing lists and sends
  • Steeper learning curve for advanced segmentation despite drag-and-drop interface
  • Primarily B2C/commerce-focused, less ideal for non-ecommerce businesses
  • SMS credits limited in free plan with additional costs for high volume

Constant Contact Pros & Cons

Pros
  • Easy-to-use drag-and-drop editor for quick campaigns
  • Award-winning support including phone, onboarding, and tutorials
  • Strong templates and AI tools for non-designers
  • Mobile-responsive designs and compliance features
  • Flexible prepay discounts and 30-day refund
  • Scalable for growing contact lists
  • Proven for small business customer conversion
Cons
  • Pricing scales up with contacts/sends, plus overage fees
  • SMS as $10/month add-on (not core included)
  • Limited sites/users in Lite plan
  • Custom pricing required for enterprises/multi-locations
  • No perpetual free tier beyond trial

Pricing Comparison

Compare the pricing plans and see which tool offers better value for your budget.

💰 Prices last verified: March 9, 2026

Klaviyo

usage-based
Starting from Free
Free tier available
Free Free
  • Up to 250 profiles
  • 500 emails/month
  • 150 SMS credits/month
Growth $60 /mo
  • Up to 2,500 profiles
  • Advanced AI features
  • A/B testing
Pro $150 /mo
  • Up to 10,000 profiles
  • Advanced reporting
  • Dedicated support

Constant Contact

subscription
Starting from $12 /mo
Lite $12 /mo
  • 1 user
  • 1 site
  • Basic features
Premium $80 /mo
  • Unlimited users
  • 5 sites
  • Priority support

Pricing Comparison Analysis

Klaviyo Pricing: Free tier available. Paid plans start at $0/monthly. 4 plans available: Free, Starter, Growth, Pro.

Constant Contact Pricing: Paid plans start at $12/monthly. 3 plans available: Lite, Standard, Premium.

Verdict: Klaviyo is more affordable at the entry level and offers a free tier. However, Constant Contact may offer better value at scale with Mobile-responsive designs and compliance features.

For budget-conscious teams, Klaviyo is the clear winner. For teams prioritizing small businesses starting email campaigns, Constant Contact's pricing may be justified.

Which Tool Is Best For You?

Choose Klaviyo if you need:

  • Ecommerce brands building personalized campaigns for sales and loyalty
  • B2C businesses needing omnichannel email/SMS/push automation
  • Startups and small teams testing marketing with free tier limits
  • Direct-to-consumer brands scaling customer relationships via AI and data
  • Delivers 63x average ROI through data-driven personalization and AI
  • 350+ seamless integrations for easy data unification across channels
Try Klaviyo Free

Choose Constant Contact if you need:

  • Small businesses starting email campaigns
  • Nonprofits seeking discounted marketing
  • Agencies/franchises needing multi-account control
  • Retailers converting social/website traffic
  • Service providers building customer relationships
  • Easy-to-use drag-and-drop editor for quick campaigns
  • Award-winning support including phone, onboarding, and tutorials
Try Constant Contact Free

Final Verdict

Choose Klaviyo if: You need ecommerce brands building personalized campaigns for sales and loyalty or b2c businesses needing omnichannel email/sms/push automation. It excels at delivers 63x average roi through data-driven personalization and ai and 350+ seamless integrations for easy data unification across channels.

Choose Constant Contact if: You prioritize small businesses starting email campaigns or nonprofits seeking discounted marketing. It's particularly strong for easy-to-use drag-and-drop editor for quick campaigns and award-winning support including phone, onboarding, and tutorials.

Overall: Klaviyo has a slight edge with a 4.7/5 rating from our analysis.

Both tools are solid choices in the email marketing space. Your decision should ultimately depend on your specific requirements, team size, and budget.

Klaviyo vs Constant Contact FAQ

What are the main differences between Klaviyo and Constant Contact?

Klaviyo focuses on ecommerce brands building personalized campaigns for sales and loyalty with delivers 63x average roi through data-driven personalization and ai, while Constant Contact excels at small businesses starting email campaigns with easy-to-use drag-and-drop editor for quick campaigns. Key differences include pricing structure, feature depth, and target user base.

Is Klaviyo or Constant Contact better for small businesses?

Klaviyo offers a free tier which is great for small businesses starting out. For small businesses with limited budgets, consider starting with the tool that offers Klaviyo's lower starting price of $0/month.

What is the pricing difference between Klaviyo and Constant Contact?

Klaviyo starts at $0/month with a free tier available, while Constant Contact starts at $12/month. Both offer multiple pricing tiers with different feature sets.

Can Klaviyo integrate with Constant Contact?

While direct integration may vary, both Klaviyo and Constant Contact support third-party integrations through platforms like Zapier. Klaviyo integrates with Shopify, Reviews and loyalty apps, SMS and web push providers, while Constant Contact works with Square, Xero, Social Media Platforms.

Which tool is easier to use, Klaviyo or Constant Contact?

Based on user reviews, Klaviyo generally receives higher marks for ease of use with a 4.7 rating. However, ease of use can depend on your specific needs and technical background. Klaviyo is known for 350+ seamless integrations for easy data unification across channels.

Does Klaviyo or Constant Contact offer better customer support?

Both Klaviyo and Constant Contact provide customer support, with options varying by plan tier. Klaviyo offers support through standard support channels. Check each tool's specific plan for support details.

What are the pros of Klaviyo compared to Constant Contact?

Klaviyo's main advantages include: Delivers 63x average ROI through data-driven personalization and AI, 350+ seamless integrations for easy data unification across channels, Free tier ideal for testing with real features like 500 emails/month. Compared to Constant Contact, it's particularly strong for ecommerce brands building personalized campaigns for sales and loyalty.

What are the cons of Klaviyo compared to Constant Contact?

Klaviyo's potential drawbacks include: Limited free tier caps at 250 profiles/500 emails, requiring upgrade for scale, Usage-based pricing can escalate quickly with growing lists and sends. Constant Contact may be a better choice if these limitations affect your use case.

Should I switch from Klaviyo to Constant Contact or vice versa?

Consider switching if your current tool doesn't meet your needs. Key factors include: current pain points, migration complexity, team training, and total cost of ownership. Use our ROI calculator to estimate the potential impact of switching.

Which tool is best for email marketing in 2026?

In 2026, Klaviyo leads in this comparison with a 4.7 rating. However, the best choice depends on your specific requirements. Klaviyo excels for ecommerce brands building personalized campaigns for sales and loyalty, while Constant Contact is ideal for small businesses starting email campaigns.

Written by

DK
David Kim Marketing Tech Analyst

David has worked in digital marketing for 7 years, including roles at agencies and in-house teams. He evaluates marketing tools based on real campaign experience and focuses on measurable outcomes.

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