Sender vs Klaviyo
A detailed feature-by-feature comparison to help you choose the right email marketing platform.
Sender
Affordable email and SMS marketing
Sender offers one of the most generous free plans in email marketing, combined with built-in SMS capabilities. It's an excellent choice for budget-conscious businesses that need both email and SMS marketing without breaking the bank.
Klaviyo
The platform for unified customer data
Klaviyo is the gold standard for ecommerce email and SMS marketing, particularly for Shopify stores. Its deep integration with ecommerce platforms enables sophisticated automated flows like abandoned cart, post-purchase, and win-back sequences based on real purchase data.
Feature Comparison
| Feature | Sender | Klaviyo |
|---|---|---|
| Rating | 4.4/5 | 4.6/5 |
| Starting Price | $10/mo | $20/mo |
| Free Plan | 2,500 subscribers | 250 subscribers |
| Founded | 2012 | 2012 |
| Email Templates | 50 | 100 |
| Integrations | 50 | 350 |
| Deliverability Rate | 97% | 99% |
| Marketing Automation | ✓ | ✓ |
| A/B Testing | ✕ | ✓ |
| Landing Pages | ✕ | ✓ |
| Segmentation | ✓ | ✓ |
| Drag & Drop Editor | ✓ | ✓ |
| SMS Marketing | ✓ | ✓ |
| Ecommerce Features | ✓ | ✓ |
| API Access | ✓ | ✓ |
| Multi-Language | ✕ | ✓ |
| Web Push Notifications | ✕ | ✕ |
| Live Chat | ✓ | ✕ |
| Advanced Analytics | ✕ | ✓ |
Sender: Pros & Cons
Pros
- +Extremely generous free plan (2,500 subs, 15,000 emails)
- +Built-in SMS marketing on all plans
- +Very affordable paid plans
- +Ecommerce integrations for abandoned cart
- +No credit card required for free plan
Cons
- −No A/B testing
- −No landing page builder
- −Smaller integration ecosystem
- −Less well-known brand
- −Limited advanced features
Klaviyo: Pros & Cons
Pros
- +Best-in-class ecommerce integrations (Shopify, WooCommerce)
- +Powerful segmentation with predictive analytics
- +Excellent deliverability (99%+)
- +Revenue attribution for every email and SMS
- +Deep customer data platform capabilities
Cons
- −Expensive for large lists
- −Steep learning curve
- −Free plan very limited (250 contacts)
- −SMS credits sold separately
- −Can be overkill for non-ecommerce businesses
The Verdict
Based on our analysis, Klaviyo comes out ahead in this comparison, and is best suited for ecommerce, shopify, d2c-brands.