Klaviyo vs Sendloop: Complete Comparison (2026)
An in-depth comparison of Klaviyo and Sendloop 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.
Sendloop
5.8/10
Sendloop is an email marketing platform from Octeth. Small businesses, agencies and high-volume senders use it for newsletters, automated journeys and transactional email.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.9/10 | 5.8/10 |
| Integration | 9/10 | 5/10 |
| Analytics | 9/10 | 5/10 |
| Cost | 4/10 | 7/10 |
| Customization | 8/10 | 6/10 |
| Ease of Use | 6/10 | 6/10 |
| Scalability | 8/10 | 6/10 |
| Security | 7/10 | 5/10 |
| Support | 5/10 | 5/10 |
| Pricing | ||
| Free plan | Yes | Yes |
| Cheapest paid plan | $20/mo Email | $29/mo Starter |
| Estimated cost for 10 users | Free Free | Free Free |
| Features | ||
| Email Marketing | ||
| Landing Pages | ||
| Segmentation | ||
| A/B Testing | Not listed | |
| E-commerce Features | Not listed | |
| SMS Marketing | Not listed | |
Klaviyo vs Sendloop cost by team size
Klaviyo and Sendloop cost the same at every team size we checked.
| Team size | Klaviyo | Sendloop |
|---|---|---|
| 1 user | FreeFree | FreeFree |
| 5 users | FreeFree | FreeFree |
| 10 users | FreeFree | FreeFree |
| 25 users | FreeFree | FreeFree |
| 50 users | FreeFree | FreeFree |
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 5/10)
- Higher Analytics score (9/10 vs 5/10)
- Better fit for mid-market (9/10 vs 5/10)
- Better fit for marketing teams (9/10 vs 6/10)
Why choose Sendloop
- Higher Cost score (7/10 vs 4/10)
- Better fit for freelancers (5/10 vs 3/10)
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.
Sendloop
Pros
- Priced by email volume with unlimited subscribers, so large, rarely mailed lists cost less than on contact-based plans.
- Supports marketing and transactional email in one account on every plan.
- The agency product, Studio, centralises the audiences of multiple clients.
- Offers an on-premise deployment and a managed deliverability service for high-volume senders.
Cons
- A competitor reports the blog has not been updated since 2021 and the X account since 2017, which raises questions about how actively it is developed.
- Independent reviews are few and mostly old.
- There is no public security or compliance documentation.
- Most integrations depend on Zapier rather than native connectors.
Not sold on either?
Frequently Asked Questions
Klaviyo scores higher on our Marketing criteria: 6.9/10 against 5.8/10 for Sendloop. The largest gap is in Analytics: 9/10 for Klaviyo and 5/10 for Sendloop.
Both are free for 10 users.
Yes, both Klaviyo and Sendloop have a free plan.
Klaviyo is the better fit for mid-market: we rate it 9/10 for them, against 5/10 for Sendloop.
