Klaviyo vs Sailthru
A side-by-side comparison for e-commerce sellers — platforms, pricing, free trials and ROI.
Personalization-driven email and cross-channel marketing for retail and media brands
| Category | Email & SMS | Email & SMS |
|---|---|---|
| Platforms | Shopify WooCommerce DTC | DTC |
| Pricing | Free up to 250 contacts; paid from $20/mo | Custom pricing |
| Free trial | Yes | No |
| Affiliate program | Direct | — |
| ROI | Automated flows like abandoned cart and welcome series typically drive 30-40% of total email revenue on autopilot. | Brands can deliver individually personalized email content driven by behavioral and predictive data. |
Which should you choose?
DTC and Shopify/WooCommerce brands that treat email and SMS as a primary, data-driven retention channel.
Larger retail and media brands prioritizing deep email and onsite personalization.
Klaviyo
Pros
- Most powerful ecommerce data and segmentation engine on the market
- Excellent revenue attribution shows exactly what each email earns
- Vast library of integrations and benchmark data for ecommerce
Cons
- Per-contact pricing gets expensive fast as your list grows
- Feature depth creates a learning curve for beginners
- SMS is billed separately and adds meaningfully to the bill
Sailthru
Pros
- Strong personalization engine
- Good predictive capabilities
- Proven with large retail and media brands
Cons
- Enterprise pricing and complexity
- Heavier implementation
- Overkill for small stores
Other tools to consider
SMS marketing platform purpose-built for Shopify brands
Collect, manage, and display product reviews and UGC for ecommerce
AI marketing copilot for product descriptions and brand-voice copy at scale
AI-driven ecommerce personalization and product recommendations for Shopify brands
Easy, low-cost mass SMS marketing with automation and keywords
Shopify-first SMS marketing with flows and segmentation