Klaviyo vs. Constant Contact
Which email marketing tool is better? Comprehensive side-by-side analysis.
Comparison Winner
Klaviyo
E-commerce-focused marketing automation with deep Shopify integration and predictive analytics
Features84 %
API & Integration97 %
Pricing94 %
GDPR & Privacy99 %
User Experience89 %
Performance89 %
toolzoo.io
TEST RESULT
GREAT (2.0)
89 of 100
Stand 03/2026
vs.
Constant Contact
Established SMB email marketing with event management, social ads, and AI content generation
Features77 %
API & Integration90 %
Pricing77 %
GDPR & Privacy92 %
User Experience82 %
Performance82 %
toolzoo.io
TEST RESULT
GREAT (2.3)
82 of 100
Stand 03/2026
Feature
Overview
Overview
Score
89%
82%
Founded
2012
1995
Headquarters
Boston, USA
Waltham, USA
Free Tier
Yes
No
Starting Price
$20/mo
$12/mo
Pricing Model
SUBSCRIPTION
SUBSCRIPTION
GDPR & Privacy
GDPR & Privacy
GDPR Compliant
Yes
Yes
Server Location
US
US
EU Server Available
No
No
💰 Pricing Plans
💰 Pricing Plans
Free Plan
Free (250 contacts, 500 emails/mo, 150 SMS)
—
Enterprise Plan
Custom (dedicated CSM, advanced support)
—
📱 Platform Availability
📱 Platform Availability
Web App
Yes
Yes
Mobile App (iOS/Android)
Yes
Yes
API Available
Yes
Yes
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