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Klaviyo vs Sendy Comparison

Compare Klaviyo vs Sendy features, pricing, and more.

Last updated: November 2026

Klaviyo logo

Klaviyo

6.9/10

Winner

Klaviyo is an email, SMS and customer data platform for ecommerce brands, priced by active profiles and built around store data and automated flows.

Sendy logo

Sendy

6/10

Self-hosted email newsletter software that sends campaigns through Amazon SES for a one-time license fee, aimed at cost-conscious businesses and agencies.

Feature-by-Feature Comparison

Feature
Klaviyo logo
Klaviyo
Sendy logo
Sendy
Scores
Overall Rating6.9/106/10
Integration9/105/10
Analytics9/104/10
Cost4/1010/10
Customization8/107/10
Ease of Use6/104/10
Scalability8/107/10
Security7/105/10
Support5/104/10
Pricing
Free planYesNo
Cheapest paid plan$20/mo
Email
Contact for pricing
Estimated cost for 10 usersFree
Free
Contact for pricing
Features
SMS Marketing
Email Marketing
Segmentation
E-commerce FeaturesNot listed
Landing PagesNot listed
WebinarsNot listed

Klaviyo vs Sendy cost by team size

Team sizeKlaviyoSendy
1 userFreeFreeContact for pricing
5 usersFreeFreeContact for pricing
10 usersFreeFreeContact for pricing
25 usersFreeFreeContact for pricing
50 usersFreeFreeContact for pricing

The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.

Which One Should You Choose?

Klaviyo logo
Why choose Klaviyo

  • Has a free plan (Sendy does not)
  • Higher Analytics score (9/10 vs 4/10)
  • Higher Integration score (9/10 vs 5/10)
  • Better fit for enterprise (8/10 vs 2/10)
  • Better fit for e-commerce (10/10 vs 4/10)

Sendy logo
Why choose Sendy

  • Higher Cost score (10/10 vs 4/10)
  • Better fit for freelancers (7/10 vs 3/10)

Pros & Cons

Klaviyo logo
Klaviyo

Pros

  • Deep native integration with Shopify and other stores lets marketers segment on real purchase and browsing data.
  • A free plan with 250 profiles and a 20 USD entry plan make it cheap to start.
  • Since July 2026, SMS uses dollar-based plans with over 70 tiers, so gaps between plans are smaller and larger plans get lower per-message rates.
  • A broad product suite covering reviews, helpdesk, personalization and AI agents can replace several separate tools.

Cons

  • Billing by active profiles and uneven tier steps cause cost jumps, for example from 150 USD at 10,000 profiles to 350 USD at 15,000 on the Email plan.
  • Many features, such as Reviews, Helpdesk, Personalization and Composer, are separately priced add-ons that raise the total bill.
  • Free accounts get email support only for the first 60 days, and reviewers on G2 and Trustpilot report slow or hard-to-reach support.
  • New users report a learning curve with segments, event triggers and flow logic.

Sendy logo
Sendy

Pros

  • A one-time $69 license replaces monthly fees that grow with list size.
  • Sending through Amazon SES costs roughly $1 to $1.60 per 10,000 emails, which reviewers say saves heavy senders a lot of money.
  • The brands feature lets agencies manage multiple clients with separate logins and per-brand sending limits.
  • Subscriber data stays on your own server.
  • It includes condition-based segments, drip autoresponders, automatic bounce and complaint handling, and webhooks.

Cons

  • Setup requires a PHP and MySQL host, DNS records and Amazon SES verification, which non-developers find hard.
  • Automation is basic, with no branching on opens or clicks, so complex workflows need Zapier.
  • Reviewers call the analytics basic and the interface dated.
  • Support is email-based and reported as inconsistent, and you handle your own updates and hosting.
  • New SES accounts start in a sandbox with daily sending limits until AWS approves an increase.

Not sold on either?

Frequently Asked Questions

Klaviyo scores higher on our Marketing criteria: 6.9/10 against 6/10 for Sendy. The largest gap is in Cost: 4/10 for Klaviyo and 10/10 for Sendy.

Klaviyo has a free plan; Sendy does not list one.

Klaviyo is the better fit for e-commerce: we rate it 10/10 for them, against 4/10 for Sendy.

Klaviyo has SMS Marketing, which Sendy lacks.

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