AWeber vs Klaviyo
AWeber and Klaviyo are both popular choices in the email marketing platform space. AWeber has been around since 1998, giving it a 14-year head start over Klaviyo (founded 2012). AWeber is the more affordable option at $15/mo, which is $5 less than Klaviyo's $20/mo entry point. Both offer free plans to get started. Klaviyo has the edge with SMS marketing.
Quick Verdict
AWeber wins on price, integrations.
Klaviyo wins on deliverability, rating.
Best for most users: Klaviyo (ecommerce).
AWeber
Powerfully simple email marketing
AWeber is one of the original email marketing platforms, serving small businesses since 1998. It offers the largest template library (600+) and an impressive integration ecosystem. While its automation isn't as advanced as newer competitors, its reliability and excellent affiliate program make it a solid choice.
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 | AWeber | Klaviyo |
|---|---|---|
| Rating | 4.2/5 | 4.6/5 |
| Starting Price | $15/mo | $20/mo |
| Free Plan | 500 subscribers, 3,000 emails/month | 250 active profiles, 500 email sends/month |
| Founded | 1998 | 2012 |
| Email Templates | 600 | 100 |
| Integrations | 750 | 350 |
| Deliverability Rate | 97.8% | 99% |
| Marketing Automation | Yes | Yes |
| A/B Testing | Yes | Yes |
| Landing Pages | Yes | Yes |
| Segmentation | Yes | Yes |
| Drag & Drop Editor | Yes | Yes |
| SMS Marketing | No | Yes |
| Ecommerce Features | Yes | Yes |
| API Access | Yes | Yes |
| Multi-Language | No | Yes |
| Web Push Notifications | Yes | No |
| Live Chat | Yes | No |
| Advanced Analytics | Yes | Yes |
AWeber: Pros & Cons
Pros
- + 600+ email templates (largest library)
- + 750+ integrations
- + Established and reliable (since 1998)
- + Free plan available
- + Excellent affiliate program (up to 50% recurring)
Cons
- − Interface feels dated compared to newer tools
- − Automation capabilities lag behind competitors
- − Free plan is limited
- − Lite plan restricts automations to 3
- − No SMS marketing
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
Klaviyo edges ahead with a 4.6/5 rating compared to AWeber's 4.2/5. The gap comes mainly from deliverability (4.7 vs 4) and value for money (4.6 vs 4.2). On deliverability, Klaviyo reports 99% compared to 97.8% for AWeber — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | AWeber | Klaviyo |
|---|---|---|---|
| Starting Price | 30% | $15/mo Winner | $20/mo |
| Deliverability | 25% | 97.8% | 99% Winner |
| Rating | 25% | 4.2/5 | 4.6/5 Winner |
| Integrations | 10% | 750 Winner | 350 |
| Free Tier | 10% | Yes | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose AWeber if…
- + You want lower starting costs ($15/mo)
- + You're a small businesses
- + You're a solopreneurs
Choose Klaviyo if…
- + You need SMS marketing
- + You're a ecommerce
- + You're a shopify