Klaviyo AI vs Smartly

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

Klaviyo AI

Klaviyo

AI Marketing Platform & B2C CRM

Freemium

78% verification coverage

Smartly

Smartly.io Solutions Oy

AI Advertising Platform

Enterprise

73% verification coverage

Trust & Reliability

Klaviyo AI

Uptime:99.98%Status page

Users:100K-1M

Customers (per vendor):Mattel, Glossier, Daily Harvest +7

GDPR

SOC 2

Smartly

Customers (per vendor):Samsung, Spotify, Uber +7

GDPR

Overall Winner: Klaviyo AI

7.0/10 vs Smartly at 4.8/10

Leads in:

Integration

Customization

Ease of Use

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Klaviyo AI

7.0

avg score

Smartly

4.8

avg score

Klaviyo AI leads overall — particularly in Ease of Use and Customization and 1 more.

Based on 6 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Klaviyo AI

7.0 / 10

Klaviyo AI

Best For

Retail and ecommerce businesses

Restaurant marketing teams

Wellness brands

Small businesses and startups getting started with marketing automation

Smartly

Best For

Agency teams streamlining client workflows

Performance teams optimizing campaigns with intelligent creative

Brand teams scaling messaging across platforms

Creative teams automating ad production at scale

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Klaviyo AI is best for

🤖Automation & Agents8.7🎧Customer Support7.8💻Coding & Dev7.0

Smartly is best for

🎧Customer Support9.0🤖Automation & Agents7.8🎨Image & Design5.8

Filter by your use case:

Limitations

Klaviyo AI

Cons

Free plan is limited to 250 active profiles and 500 email sends per month
Free plan includes $5 of mobile messages and Composer usage per month
Email support on the free plan is only for the first 60 days

Smartly

Cons

Pricing is not publicly available and requires contacting sales
Product updates require login to access (footer)
Smartly does not control personal data processing by online advertising platforms or third-party services
Only the Google Chrome browser is officially supported

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Klaviyo AI

7.0

/ 10

Clear winner

Smartly

4.8

/ 10

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Klaviyo AI

6.0▲ +3.0

Smartly

3.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Klaviyo AI

8.0▲ +5.0

Smartly

3.0

Support

How strong is the documentation, customer support, community, and learning resources?

Klaviyo AI

7.0

Smartly

7.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Klaviyo AI

10.0▲ +5.0

Smartly

5.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Klaviyo AI

6.0

Smartly

6.0

Performance

Calculated

Latency + throughput speed

Klaviyo AI

5.0

Smartly

5.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Klaviyo AI

—

Smartly

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Klaviyo AI

Task

Smartly

9.0

Campaign Creation

9.0

Audience Targeting

7.0

9.0

Performance Analytics

9.0

6.0

Content Calendar

3.0

Brand Monitoring

6.0

5.0

Competitive Analysis

3.0

Budget Optimization

9.0

Multi Channel Management

9.0

6.0

Lead Scoring

2.0

8.0

Attribution Tracking

7.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between Klaviyo AI and Smartly?

Klaviyo AI — "AI Marketing Platform & B2C CRM". Smartly — "AI Advertising Platform". The Features section on this page compares them side by side.

Who is Klaviyo AI best for compared with Smartly?

Klaviyo AI is best for Retail and ecommerce businesses; and for Restaurant marketing teams. Smartly is best for Agency teams streamlining client workflows; and for Performance teams optimizing campaigns with intelligent creative.

How does the pricing of Klaviyo AI compare with Smartly?

Klaviyo AI is freemium, includes a free plan. Smartly is enterprise-priced (custom quote). Always verify current pricing with the vendor.

Does Klaviyo AI or Smartly have a free plan?

Klaviyo AI has a free plan. Smartly does not list a free plan in our data. Always verify current pricing with the vendor.

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