Klaviyo vs Twilio SendGrid

- ✦ Email Marketing
- ✦ SMS Marketing
- ✦ Marketing Automation

- ✦ Email API
- ✦ SMTP Relay
- ✦ Marketing Campaigns
Klaviyo and Twilio SendGrid are both Email Marketing tools. Klaviyo starts at $20/mo, Twilio SendGrid at $19.95/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose Klaviyo vs Twilio SendGrid
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Predictive Analytics identifies customers about to churn, automatically triggering personalized SMS + email win-back sequences before they go dormant.
A/B test the Product Recommendations engine across carousel layouts and email positions to isolate which variants lift average order value by 3-5%.
Segmentation separates SMS-opted contacts from email-only subscribers, routing each into distinct welcome flows where SMS sequences average 45-60% open rates.
SMTP Relay delivers password resets, order confirmations, and invoices through a 99.99% uptime backbone, with DNS config as the only required setup step.
Pricing Comparison & PlansHigh· Verified May 26, 2026
Free
FreeBest for: You get 250 contacts, 500 emails/mo, 150 SMS
- ✓Up to 250 contacts
- ✓500 emails/month
- ✓150 SMS credits/month
- ✓Email support (60 days)
- ✓Basic reporting
Best for: 251-500 contacts, 5000 emails/mo
- ✓Unlimited emails
- ✓Contact-based pricing
- ✓Segmentation
- ✓A/B testing
- ✓Advanced analytics
Email & SMS
$35/moBest for: 251-500 contacts, 5000 emails/mo, 1250 SMS
- ✓Everything in Email
- ✓SMS & MMS marketing
- ✓2,800 SMS credits base
- ✓Mobile push notifications
- ✓RCS messaging
Enterprise
Contact Sales- ✓Custom pricing
- ✓Dedicated account manager
- ✓Custom integrations
- ✓SLA
- ✓Enterprise security
Free
FreeBest for: You get 100 emails/day
- ✓100 emails per day
- ✓APIs, SMTP Relay, and Webhooks
- ✓Delivery optimization tools
- ✓Dynamic template editor
- ✓Ticket support
Essentials
$20/moBest for: 100K emails/mo
- ✓Up to 50,000 emails per month
- ✓APIs, SMTP Relay, and Webhooks
- ✓Delivery optimization tools
- ✓Dynamic template editor
- ✓Ticket and Chat support
Pro
$90/moBest for: 100K emails/mo, Dedicated IP
- ✓Up to 100,000 emails per month
- ✓1 Dedicated IP included
- ✓Ticket, Chat, and Phone support
- ✓Subuser management
- ✓Single Sign-On (SSO)
Premier
Contact SalesBest for: Custom pricing for Custom volume, Priority support
- ✓Custom email volume (>1.5M/mo)
- ✓Dedicated IP addresses
- ✓Priority support
- ✓Dedicated customer success manager
- ✓Subuser management
Capability Breakdown
7 differences found across 18 standardized features
- •Email Marketing
- •SMS Marketing
- •Marketing Automation
- •Segmentation
- •Predictive Analytics
- •A/B Testing
- •Product Recommendations
- •Forms & Pop-ups
- •Customer Profiles
- •Reporting
- •Shopify Integration
- •Flow Builder
- •Templates
- •API
- •Reviews
- •Personalization Tools
- •Customizable Templates
- •Drag Drop Editor
- •Automated Workflows
- •Customer Journey Mapping
- •Real Time Reporting
- •Email List Cleaning
- •Spam Filter Management
- •Domain Authentication
- •Bounce Management
- •Complaint Handling
- •Open Rate Tracking
- •Click Through Analysis
- •Conversion Rate Optimization
- •ROI Calculation
- •Campaign Scheduling
- •Triggered Emails
- •Abandoned Cart Reminders
- •Browse Abandonment Emails
- •Win Back Campaigns
- •Lead Scoring
- •Customer Lifecycle Management
- •Preference Center
- •Subscription Management
- •Content Library
- •Dynamic Content Blocks
- •Email API
- •SMTP Relay
- •Marketing Campaigns
- •Transactional Email
- •Email Templates
- •Dynamic Templates
- •A/B Testing
- •Segmentation
- •Analytics
- •Deliverability Insights
- •Dedicated IP
- •Webhooks
- •Suppressions
- •SDKs
- •Contact Management
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
- +Free plan available
- +Competitive pricing from $20/mo
- +Multiple pricing tiers (3 plans) to match different needs
- +Industry-leading email deliverability and inbox placement rates
- +Robust, well-documented APIs and libraries for developers
- +Scalable infrastructure handles billions of emails per day
- +Detailed real-time analytics on opens, clicks, and bounces
- +Offers both a flexible API and a visual marketing campaign builder
- −Marketing Campaigns editor can be less intuitive than competitors
- −Advanced features like dedicated IPs are locked to expensive plans
- −Customer support response times can be slow on lower-tier plans
- −Steep learning curve for non-technical users setting up DNS records
- −List management and segmentation tools are basic compared to CRMs
At a Glance
Recent Price History
Klaviyo added a new "Enterprise" plan (Custom pricing)
Plan added · May 26, 2026
Frequently Asked Questions
Related Comparisons
Sources & Data Trail · Klaviyo
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-26)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.6/5 · 1,349 reviews
- 4.Capterra·Capterra verified reviews · 4.7/5
- 5.TrustRadius·TrustRadius verified reviews
- 6.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · Twilio SendGrid
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-21)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4/5 · 366 reviews
- 4.Capterra·Capterra verified reviews · 4.2/5
- 5.TrustRadius·TrustRadius verified reviews
- 6.PeerSpot·PeerSpot enterprise peer reviews
