Apollo.io vs Klaviyo AI
Comprehensive side-by-side comparison — features, pricing, performance, and more.
Updated May 2026
Trust & Reliability
Apollo.io
Users:1M-10M
Customers (per vendor):Customer.io, GTM Ops, Census +7
GDPR
SOC 2
Too Close to Call
Klaviyo AI (7.3) vs Apollo.io (7.0) — difference of 0.3 points
AI Comparison Summary
Apollo.io
7.0
avg score
Klaviyo AI
7.3
avg score
Klaviyo AI leads overall.
Based on 6 dimensions
How scores are calculatedOverall Winner
Klaviyo AI
7.3 / 10
Apollo.io
Best For
Building pipeline smarter for sales and marketing teams
Accelerating prospecting for sales development representatives
Qualifying and acting on inbound leads for sales teams
Enriching B2B data for smarter targeting
Not Ideal For
Individuals or teams not focused on B2B sales or marketing.
Users seeking a purely free solution without credit limitations for extensive data access.
Businesses that do not require a comprehensive sales engagement platform and only need basic CRM or data services.
Klaviyo AI
Best For
Growing customer relationships for B2C brands
Automating marketing for small businesses
Enhancing customer engagement for e-commerce stores
Personalizing customer experiences at scale
Not Ideal For
B2B companies with complex, long sales cycles
Users needing extensive free customer support beyond 60 days
Businesses with very large contact lists on a tight budget
* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology
Apollo.io is best for
🤖Automation & Agents9.0💬Chat & Conversation8.0📊Data & Analytics8.0
Klaviyo AI is best for
🤖Automation & Agents9.0✍️Writing & Content7.0📊Data & Analytics6.5
Filter by your use case:
Pros & Cons
Apollo.ioPros
- Unifies multiple sales tools (data, outreach, dialer, enrichment, CRM) into one platform, reducing tech stack complexity and cost.
- Provides access to a large and accurate B2B contact and company database (210M+ contacts, 30M+ companies).
- Automates multichannel outreach sequences and follow-ups with AI-powered personalization.
- Offers advanced filtering and AI lead scoring for highly precise lead targeting and prioritization.
- Integrates smoothly with major CRMs like Salesforce and HubSpot, ensuring seamless workflow.
- Includes AI-powered features for research, writing, call summaries, and conversation insights to enhance sales productivity.
Cons
- Credit-based system for accessing contact data (emails, phone numbers, enrichment, AI research, dialer) can incur additional costs.
- The free plan has limited AI Assistant chats and sequences, requiring upgrades for full functionality.
- Connecting non-Gmail/Microsoft email accounts for campaigns is restricted to paid plans.
- Some advanced features like Projects and the Mobile App are currently in beta, indicating potential instability or limited functionality.
- Requires familiarity with sales processes and platform configuration for optimal use, not a plug-and-play solution for complete beginners.
Klaviyo AIPros
- Offers dedicated AI agents for marketing and customer service
- Unifies customer data, channels, and agents in one AI-first platform
- Provides 350+ pre-built integrations with popular e-commerce tools
- Includes a free plan with essential email, SMS, and CRM features
- Features comprehensive reporting and predictive analytics for insights
- Supports omnichannel campaigns across multiple communication channels
Cons
- Free plan is limited to 250 active profiles and 500 emails/month
- Free plan includes email support only for the first 60 days
- Sending capabilities may be paused if free plan limits are exceeded
- Advanced features and higher sending volumes require a paid upgrade
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
Output Quality5
Value for Money5
Customizability5
Support & Ecosystem5
Integration Power5
Dimension Comparison
Apollo.io
7.0
/ 10
Klaviyo AI
7.3
/ 10
Your pick
Dimension Breakdown
Ease of Use
AIHow easy it is to get started and use daily
Apollo.io
6.0
Klaviyo AI
7.0▲ +1.0
Output Quality
AIQuality and accuracy of generated results
Apollo.io
8.0
Klaviyo AI
8.0
Value for Money
AICost vs. features and output quality
Apollo.io
7.0
Klaviyo AI
7.0
Customizability
CalculatedAbility to tailor to specific needs
Apollo.io
5.0
Klaviyo AI
6.0▲ +1.0
Support & Ecosystem
AIDocumentation, community, and support quality
Apollo.io
8.0
Klaviyo AI
8.0
Integration Power
CalculatedAbility to connect with other tools and workflows
Apollo.io
8.0
Klaviyo AI
8.0
Calculated = derived from verified integration count and API/open-source signals. AI = LLM-assessed from public website content. Methodology
Task Performance
Apollo.io
Task
Klaviyo AI
9.07.0
Lead Scoring
* 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
Which is better, Apollo.io or Klaviyo AI?
Both are strong options. Apollo.io has a rating of 0.0/5 (0 reviews), while Klaviyo AI has a rating of 0.0/5 (0 reviews). The best choice depends on your specific use case, budget, and workflow requirements.
Is Apollo.io cheaper than Klaviyo AI?
Apollo.io starts at free (freemium model) with a free trial. Klaviyo AI starts at free (freemium model). Use the Cost Calculator above for a detailed estimate.
What are the main differences between Apollo.io and Klaviyo AI?
Apollo.io — "The AI sales platform for smarter, faster revenue growth". Klaviyo AI — "Unify data, channels, and AI agents to grow B2C customer relationships.". Key differences include their pricing models, platform support, integrations, and technical capabilities. See the Feature Comparison table above for a complete side-by-side breakdown.