Klaviyo vs Omnisend: Email & SMS Marketing Comparison (2026)

Klaviyo and Omnisend both offer free tiers for email and SMS marketing. Klaviyo provides limited email support for 60 days on its free plan, while Omnisend offers 24/7 support. Omnisend includes unlimited web push notifications and free migration as key features, which are not listed for Klaviyo. Klaviyo’s free tier includes basic automation and segmentation capabilities. Omnisend offers advanced reporting, personalized product recommendations, and dynamic content.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask email & sms marketing questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Too early to call — probes still building data.
ChatGPT
Klaviyo
Tracking…
No data yet
Omnisend
Tracking…
No data yet
Perplexity
Klaviyo
Tracking…
No data yet
Omnisend
Tracking…
No data yet
Gemini
Klaviyo
Tracking…
No data yet
Omnisend
Tracking…
No data yet
Claude
Klaviyo
Tracking…
No data yet
Omnisend
Tracking…
No data yet
Copilot
Klaviyo
Tracking…
No data yet
Omnisend
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Klaviyo
Starting price
Free tier
Yes
klaviyo.com
Omnisend
Starting price
$0/mo
Free tier
Yes
omnisend.com

Key Features

Klaviyo
  • Up to 250 profiles
  • 500 emails/month
  • 150 mobile message credits
  • 10,000 Composer credits
  • Email support for 60 days
  • Built-in reporting
  • Basic automation
  • Segmentation capabilities
Omnisend
  • Send up to 500 emails per month
  • 24/7 support
  • Unlimited web push notifications
  • Free migration
  • Dynamic content
  • Advanced reporting
  • Personalized product recommendations
  • Build high-converting forms fast

When to choose Klaviyo

You need basic automation, segmentation capabilities, and prefer having mobile message credits included in the free plan.

When to choose Omnisend

You require 24/7 support, unlimited web push notifications, free migration services, and advanced reporting features with dynamic content and personalized product recommendations.

Frequently Asked Questions

Do both Klaviyo and Omnisend offer a free tier?
Yes, both Klaviyo and Omnisend offer a free tier.
What are the limitations of Klaviyo's free plan regarding support?
Klaviyo's free plan includes email support for 60 days.
What kind of support does Omnisend offer?
Omnisend offers 24/7 support.
Which vendor offers unlimited web push notifications?
Omnisend offers unlimited web push notifications.
What advanced features does Omnisend offer that are not listed for Klaviyo?
Omnisend offers features such as free migration, dynamic content, advanced reporting, and personalized product recommendations.

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