Klaviyo
Resend
| Feature | ||
|---|---|---|
| Pricing | Free / from $20/mo | Free / from $20/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.5 / 5 | 4.6 / 5 |
| Best For | ecommerce, shopify-stores, dtc-brands, online-retailers | developers, saas-products, startups, indie-hackers |
| Founded | 2012 | 2022 |
| Email Campaigns | ✓ | ✗ |
| Sms Marketing | ✓ | ✗ |
| Flows | ✓ | ✗ |
| Segmentation | ✓ | ✗ |
| Analytics | ✓ | ✓ |
| Ai Content | ✓ | ✗ |
| Transactional Email | ✗ | ✓ |
| React Email | ✗ | ✓ |
| Webhooks | ✗ | ✓ |
| Custom Domains | ✗ | ✓ |
| Dedicated Ips | ✗ | ✓ |
| Api | ✗ | ✓ |
✓ Klaviyo Pros
- Deep e-commerce integration
- Powerful segmentation
- Revenue attribution
- Great flows
✗ Klaviyo Cons
- Gets expensive with list size
- Complex for beginners
- SMS extra cost
✓ Resend Pros
- Best developer experience for sending emails
- React Email for building templates with components
- Free tier with 100 emails/day (3,000/month)
- Excellent deliverability with dedicated IPs available
✗ Resend Cons
- Marketing email features are minimal
- Newer platform with less enterprise track record
- No built-in email editor for non-developers
The Verdict
Klaviyo is built for ecommerce and shopify stores, with a focus on email-campaigns and sms-marketing. Resend targets developers and saas products and leads with transactional-email and react-email.
Both tools come in at similar price points ($20/mo for Klaviyo, $20/mo for Resend), so pricing won't make the decision for you.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
Feature-wise, Resend offers broader built-in capabilities (7 features vs 6), while Klaviyo takes a more focused approach — which can mean a simpler, faster onboarding experience.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.