Klaviyo vs Mailjet: Which Marketing Automation Is Better in 2026?
Compare pricing, features, integrations, verified reviews, AI capabilities, security, and customer satisfaction — side by side, with no marketing spin.
The Short Answer
Klaviyo vs Mailjet, in 15 seconds
Choose Klaviyo if…
- You want deeper AI and automation features
- You have strict security & compliance needs
Choose Mailjet if…
- You depend on a broad integration ecosystem
Head-to-Head Scorecard
How Klaviyo and Mailjet score
It's evenly matched — each leads on 2 of 9 measured dimensions.
- Even
Customer Rating
Average score from verified user reviews
KlaviyoNo reviewsMailjetNo reviews - Even
Review Volume
Number of verified reviews — a proxy for adoption
Klaviyo0Mailjet0 - Even
Entry Pricing
Lowest published starting price (free plan = lowest)
Klaviyo$20/moMailjet$0/mo - Even
Free Access
Availability of a free plan and/or free trial
KlaviyoFree plan + trialMailjetFree plan + trial - Mailjet
Integrations
Number of listed third-party integrations
Klaviyo8Mailjet10 - Even
Features
Number of listed product capabilities
Klaviyo12Mailjet12 - Klaviyo
AI Features
Capabilities mentioning AI, automation or ML
Klaviyo2Mailjet1 - Klaviyo
Security & Compliance
Number of listed compliance certifications
Klaviyo4Mailjet3 - Mailjet
Platforms & Deployment
Supported platforms and deployment options
Klaviyo2Mailjet3
Feature Comparison
Klaviyo vs Mailjet feature breakdown
Search or filter the full feature matrix — core features, AI, integrations, APIs, security and compliance.
Klaviyo
MailjetPricing Comparison
Klaviyo vs Mailjet pricing
Entry pricing, plan tiers and the cost factors that shape total cost of ownership.
Klaviyo
$20/mo to start- Up to 250 profiles
- 500 email sends/month
- 150 SMS/MMS credits
- Email support (60 days)
- Email campaigns & flows
- Segmentation & personalization
- A/B testing
- Built-in CDP
- Everything in Email
- SMS & MMS marketing
- Unified profiles
- SMS automation flows
- Custom volume
- Advanced deliverability
- Dedicated support
- Custom onboarding
Mailjet
$0/mo to start- 6,000 emails/month
- Email API and SMTP
- Drag-and-drop editor
- Unlimited contacts
- 15,000 emails/month
- No Mailjet logo
- Segmentation
- Online support
- Automation
- Landing pages
- A/B testing
- Advanced statistics
- Custom volume
- Dedicated IPs
- Deliverability services
- SSO
Total cost of ownership factors
Beyond list price, factor in implementation, training, add-ons and per-seat scaling when estimating total cost of ownership.
Pros & Cons
Klaviyo vs Mailjet: strengths and trade-offs
Klaviyo
Pros
- Free plan available
- Free trial offered
- Compliance: SOC 2 Type II, GDPR, CCPA
- Stronger AI / automation features
- Public API available
Cons
- Higher starting price ($20/mo)
- Fewer native integrations than the alternative
Mailjet
Pros
- Free plan available
- Free trial offered
- Lower starting price ($0/mo)
- Broad integration ecosystem (10)
- Compliance: SOC 2, ISO 27001, GDPR
- Public API available
Cons
Buyer Fit
Who should use Klaviyo vs Mailjet?
Startups
Either
Either keeps early-stage costs lowest with its entry tier.
Small businesses
Either
Either offers the most accessible pricing for lean teams.
Agencies
Mailjet
Mailjet connects to more tools for multi-client workflows.
Enterprises
Klaviyo
Klaviyo leads on compliance and breadth for complex needs.
Ecommerce
Mailjet
Mailjet integrates with more of the commerce stack.
SaaS companies
Klaviyo
Klaviyo is the more developer- and automation-friendly choice.
Integration overlap
Shared integrations (3)
Only in Klaviyo (5)
Only in Mailjet (7)
Keep Exploring
Other alternatives worth considering
Similar marketing automation products buyers compare alongside Klaviyo and Mailjet.
Ask SIA which solution fits your business
SIA, Saaskart's AI buying assistant, weighs Klaviyo and Mailjet against your team size, budget, integrations and compliance needs — then recommends the right fit and the questions to ask each vendor.
Get a personalised recommendationKlaviyo vs Mailjet — Frequently Asked Questions
What is the difference between Klaviyo and Mailjet?
Klaviyo and Mailjet are both Marketing Automation solutions. Klaviyo is rated 0.0/5 by 0 users, while Mailjet is rated 0.0/5 by 0 users. The main differences lie in pricing, features, and target audience.
Which is better, Klaviyo or Mailjet?
Based on user ratings, Klaviyo scores higher at 0.0/5. The best choice depends on your team size, budget, and specific requirements.
Which is cheaper, Klaviyo or Mailjet?
Mailjet is the more affordable option, starting at $0/month.
Does Klaviyo or Mailjet have a free plan?
Klaviyo offers a free plan. does not have a free tier but does offer a free trial.
Can I switch from Klaviyo to Mailjet?
Switching between Klaviyo and Mailjet is possible. Both support data export. Check integration compatibility and plan for data migration to minimise disruption to your team.
Who should use Klaviyo vs Mailjet?
Klaviyo is best suited for teams that prioritise enterprise features. Mailjet works well for teams looking to start free and scale.
Our Verdict
The bottom line on Klaviyo vs Mailjet
Best Overall
Either
It's a tie balances user satisfaction and proven adoption.
Best for Startups
Either
It's a tie has the friendliest entry point for new teams.
Best for Enterprise
Klaviyo
Klaviyo leads on compliance and feature breadth.
Best Value
Either
It's a tie delivers the lowest cost to get started.
Best AI Features
Klaviyo
Klaviyo ships more AI and automation.
Highest Rated
Either
Both earn equal user ratings.