Klaviyo vs Semrush
A detailed, side-by-side comparison of Klaviyo and Semrush. We compare features, pricing, ease of use, and value for money to help you make the right choice in 2026.
Reviewed by the Ikaroa team · Last updated: March 2026
Quick Verdict
Klaviyo edges ahead overall with a rating of 4.5/5. However, Semrush (4.5/5) may be the better fit if you prioritise Agencies and marketing teams wanting the most comprehensive SEO and digital marketing toolkit. Read on for the full breakdown.
Klaviyo vs Semrush at a Glance
Klaviyo
★ 4.5Klaviyo is the email and SMS marketing platform of choice for e-commerce businesses. Deeply integrated with Shopify, WooCommerce, and other e-commerce platforms, it uses customer data to power highly personalised email and SMS campaigns that drive revenue. Known for its powerful segmentation, predictive analytics, and revenue attribution.
Starting from: £0/month
Best for: E-commerce businesses wanting data-driven email and SMS marketing
Read full review →Semrush
★ 4.5Semrush is the most comprehensive SEO and digital marketing toolkit on the market. It offers keyword research, site audits, competitor analysis, backlink tracking, content marketing tools, and PPC research. Used by agencies and in-house marketing teams worldwide as their primary SEO platform.
Starting from: £100/month
Best for: Agencies and marketing teams wanting the most comprehensive SEO and digital marketing toolkit
Read full review →Klaviyo vs Semrush Feature Comparison
Here is how Klaviyo and Semrush compare across the features that matter most. We have tested both platforms extensively across client implementations.
| Feature | Klaviyo | Semrush |
|---|---|---|
| Free Plan Available | Yes | No |
| Starting Price | £0/month | £100/month |
| Best For | E-commerce businesses wanting data-driven email and SMS marketing | Agencies and marketing teams wanting the most comprehensive SEO and digital marketing toolkit |
| Our Rating | 4.5/5 | 4.5/5 |
| Mobile App | Limited | Limited |
| Email Marketing | No | No |
| Automation | Yes | Limited |
| Reporting | Basic | Yes |
| Integrations | Limited | Limited |
| API Access | Limited | Limited |
| Ikaroa Exclusive Discount | N/A | N/A |
Klaviyo vs Semrush Pricing
Pricing is often the deciding factor. Here is a full breakdown of what each platform charges at every tier:
Klaviyo Pricing
Free
£0/month
- ✓250 contacts
- ✓500 email sends
- ✓150 SMS credits
- ✓Core features
£16/month
- ✓500 contacts
- ✓5,000 emails
- ✓A/B testing
- ✓Automation flows
Email & SMS
£52/month
- ✓500 contacts
- ✓5,000 emails
- ✓1,250 SMS credits
- ✓Automated SMS flows
Semrush Pricing
Pro
£100/month
- ✓5 projects
- ✓500 keywords to track
- ✓10,000 results per report
- ✓SEO, PPC, and research tools
Guru
£190/month
- ✓15 projects
- ✓1,500 keywords
- ✓30,000 results per report
- ✓Content marketing toolkit
Business
£350/month
- ✓40 projects
- ✓5,000 keywords
- ✓50,000 results per report
- ✓API access
Not sure which to pick?
Our team has implemented both Klaviyo and Semrush for clients. We can help you decide based on your specific needs.
Klaviyo Pros and Cons
✓Pros
- •Best-in-class e-commerce integrations
- •Powerful predictive analytics and segmentation
- •Excellent revenue attribution reporting
- •Deep Shopify integration
- •Strong template library for e-commerce
✗Cons
- •Expensive as contact list grows
- •Steep learning curve for beginners
- •Overkill for non-e-commerce businesses
- •Free plan is very limited
- •SMS pricing can add up quickly
Semrush Pros and Cons
✓Pros
- •Most comprehensive SEO toolkit available
- •Excellent keyword research database
- •Strong competitor analysis tools
- •Content marketing features included
- •Regular feature updates and improvements
✗Cons
- •Expensive, especially for individuals
- •Per-user pricing adds significant cost
- •Can be overwhelming for beginners
- •Some data can be less accurate for UK-specific searches
- •Learning curve for the full toolkit
Our Verdict: Klaviyo vs Semrush
Both Klaviyo and Semrush are solid options, but they serve different needs. Having implemented both for multiple clients, here is our recommendation:
Choose Klaviyo if you need E-commerce businesses wanting data-driven email and SMS marketing. With a starting price of £0/month and a rating of 4.5/5, it offers best-in-class e-commerce integrations.
Choose Semrush if you need Agencies and marketing teams wanting the most comprehensive SEO and digital marketing toolkit. Starting at £100/month with a 4.5/5 rating, it excels at most comprehensive seo toolkit available.
Still not sure? Talk to the Ikaroa team. We have helped hundreds of businesses make this exact decision, and we are happy to point you in the right direction.
🎁 Get either product at a discount through Ikaroa Partners
Consider Open Doors Instead
Why choose between Klaviyo and Semrush? Open Doors gives you the best features of both in one platform, for less. It is an all-in-one CRM with email marketing, SMS, funnels, booking, invoicing, automation, and more, starting at just £97/month with unlimited contacts.
Need implementation help?
Ikaroa can set up Klaviyo or Semrush for your business, migrate your data, and train your team. We have done it dozens of times.
Free consultation. No obligation.