Klaviyo vs Sendlane: Complete Comparison (2026)
An in-depth comparison of Klaviyo and Sendlane to help you choose the right tool for your business.
Last updated: November 2026
Klaviyo
6.9/10
Klaviyo is an email, SMS and customer data platform for ecommerce brands, priced by active profiles and built around store data and automated flows.
Sendlane
6.3/10
Sendlane is an email and SMS marketing automation platform for ecommerce brands, with send-based pricing, deep store integrations and service-heavy support.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 6.3/10 |
| Integration | 9/10 | 6/10 |
| Analytics | 9/10 | 7/10 |
| Cost | 4/10 | 5/10 |
| Customization | 8/10 | 6/10 |
| Ease of Use | 6/10 | 7/10 |
| Scalability | 8/10 | 7/10 |
| Security | 7/10 | 5/10 |
| Support | 5/10 | 8/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $20/mo Email | $100/mo Email plan (entry) |
| Estimated cost for 10 users | Free Free | Free Free Trial |
| Features | ||
| E-commerce Features | ||
| Email Marketing | ||
| Segmentation | ||
| SMS Marketing | ||
| A/B Testing | Not listed | |
| Landing Pages | Not listed | |
Klaviyo vs Sendlane cost by team size
Klaviyo and Sendlane cost the same at every team size we checked.
| Team size | Klaviyo | Sendlane |
|---|---|---|
| 1 user | FreeFree | FreeFree Trial |
| 5 users | FreeFree | FreeFree Trial |
| 10 users | FreeFree | FreeFree Trial |
| 25 users | FreeFree | FreeFree Trial |
| 50 users | FreeFree | FreeFree Trial |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Which One Should You Choose?
Why choose Klaviyo
- Higher Integration score (9/10 vs 6/10)
- Higher Analytics score (9/10 vs 7/10)
- Better fit for agencies (7/10 vs 5/10)
- Better fit for marketing teams (9/10 vs 7/10)
Why choose Sendlane
- Higher Support score (8/10 vs 5/10)
- Higher Cost score (5/10 vs 4/10)
Pros & Cons
Klaviyo
Pros
- Deep native integration with Shopify and other stores lets marketers segment on real purchase and browsing data.
- A free plan with 250 profiles and a 20 USD entry plan make it cheap to start.
- Since July 2026, SMS uses dollar-based plans with over 70 tiers, so gaps between plans are smaller and larger plans get lower per-message rates.
- A broad product suite covering reviews, helpdesk, personalization and AI agents can replace several separate tools.
Cons
- Billing by active profiles and uneven tier steps cause cost jumps, for example from 150 USD at 10,000 profiles to 350 USD at 15,000 on the Email plan.
- Many features, such as Reviews, Helpdesk, Personalization and Composer, are separately priced add-ons that raise the total bill.
- Free accounts get email support only for the first 60 days, and reviewers on G2 and Trustpilot report slow or hard-to-reach support.
- New users report a learning curve with segments, event triggers and flow logic.
Sendlane
Pros
- Pricing is based on email sends with unlimited contact profiles, so large but rarely mailed lists cost no more.
- Support scales with account size, from 24/7 chat to dedicated success managers, Slack channels and dedicated IPs.
- Deep data integrations with Shopify and WooCommerce power abandoned cart, back-in-stock and review flows.
- Email, SMS, forms and reviews in one platform, with revenue attribution.
- The 60-day trial is longer than most competitors offer.
Cons
- Reviewers say costs rise sharply as sending volume grows.
- Fewer native integrations than larger rivals, according to some reviewers.
- SMS needs a monthly activation fee and is not available during the trial.
- Long-term product direction is uncertain after the Privy acquisition in 2026.
- The pricing page has inconsistencies and no annual price shown, so buyers need to talk to sales.
Not sold on either?
Frequently Asked Questions
Klaviyo scores higher on our Marketing criteria: 6.9/10 against 6.3/10 for Sendlane. The largest gap is in Integration: 9/10 for Klaviyo and 6/10 for Sendlane.
Both are free for 10 users.
Yes, both Klaviyo and Sendlane have a free plan.
Klaviyo is the better fit for agencies: we rate it 7/10 for them, against 5/10 for Sendlane.
