Updated & Verified for 2026

KlaviyovsConstant Contact

Which software dominates in the enterprise space? An in-depth analysis of pricing, features, and user reviews.

Consensus score synthesized by AI from 14,900+ verified user reviews across major platforms.
K
Marketing

Klaviyo

4.6(2,450 reviews)
Ecommerce SMBs & Mid-MarketEst. 2012

The growth marketing platform for ecommerce brands, leveraging customer data to drive personalized campaigns.

Top Capabilities

  • Email & SMS Marketing Automation
  • Customer Segmentation & Predictive Analytics
  • A/B Testing & Campaign Reporting

Key Integrations

Shopify Magento BigCommerce

Platforms

Web, iOS, Android

Security

GDPRSOC2HIPAA

Support Options

24/7 Email Support • Live Chat • Knowledge Base

Starting at
Free tier available (up to 250 contacts & 500 emails/month); no time limit
$15/mo
Per Contact/Month
Visit Website
C
Marketing

Constant Contact

4.3(12,450 reviews)
SMBsEst. 1995

Easy-to-use email marketing and automation platform best for small businesses and nonprofits.

Top Capabilities

  • Email Campaign Builder
  • Marketing Automation (basic)
  • Contact Management & Segmentation

Key Integrations

Salesforce Shopify WordPress

Platforms

Web, iOS, Android

Security

SOC 2GDPRCAN-SPAM

Support Options

24/7 Live Chat • Phone Support • Knowledge Base

Starting at
60-day free trial, no credit card required.
$15/mo
Per Month (based on contact count, no per-user fee)
Visit Website

Feature Analysis: Pros & Cons

Unbiased breakdown of what each platform does best.

Why choose Klaviyo?

  • Deep integrations with ecommerce platforms like Shopify and Magento
  • Powerful segmentation and automation based on customer behavior
  • Excellent analytics and reporting for campaign performance

Where it falls short

  • Can be expensive as contact list grows
  • Limited built-in templates for email design
  • Steep learning curve for advanced features

Why choose Constant Contact?

  • User-friendly drag-and-drop email builder.
  • Excellent customer support with live chat and phone.
  • Integrated event management and survey tools.

Where it falls short

  • Templates can feel dated compared to competitors.
  • Limited advanced automation features on lower tiers.
  • Price increases significantly as contact list grows.

The Bottom Line

Choose Klaviyo if...

You agree with the premise: "The growth marketing platform for ecommerce brands, leveraging customer data to drive personalized campaigns.". It is the superior choice if you prioritize its specific capabilities and have the budget to support its $15/mo starting tier.

Choose Constant Contact if...

You are looking for: "Easy-to-use email marketing and automation platform best for small businesses and nonprofits.". It serves as an excellent alternative in the market, especially given its competitive entry point of $15/mo.

Data algorithmically verified against public vendor information for May 2026.

Disclaimer: Pricing, features, and compliance information are subject to change by the respective software vendors. While we strive to maintain absolute accuracy through automated pipelines, discrepancies may occur. Please verify final pricing on the vendor's official website.

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Klaviyo vs Constant Contact: Which is Best in 2026? | VendorMatchup