Why Your Choice of Email Platform Matters for E-commerce
If you run an online store, email marketing is not optional — it is one of your highest-ROI channels. The right platform can recover abandoned carts, turn one-time buyers into loyal customers, and automate campaigns that generate revenue while you sleep. The wrong one can leave money on the table and drain your team’s time.
Two platforms dominate the conversation when it comes to the best email marketing for ecommerce: Klaviyo and Omnisend. Both are built specifically for online retailers, both integrate deeply with Shopify, and both promise to grow your revenue. But they differ in meaningful ways — from pricing philosophy to feature depth to ease of use.
Our team has spent years working in e-commerce logistics and operations, and we have used both platforms across stores of varying sizes. In this comparison, we will walk you through the differences that actually matter so you can make a confident decision.
Klaviyo vs Omnisend: Feature Comparison at a Glance
| Feature | Klaviyo | Omnisend |
|---|---|---|
| Email Marketing | Advanced segmentation, A/B testing, dynamic content | Pre-built templates, A/B testing, product recommender |
| SMS Marketing | Built-in (additional cost) | Built-in (included in plans) |
| Automation Workflows | Highly customisable with branching logic | Pre-built workflows with easy customisation |
| Shopify Integration | Deep native integration, real-time sync | Strong native integration, one-click install |
| Push Notifications | Not natively supported | Web push notifications included |
| Signup Forms & Popups | Customisable forms, multi-step options | Gamified forms (wheel of fortune), landing pages |
| Reporting & Analytics | Predictive analytics, revenue attribution, CLV | Sales dashboard, campaign & automation reports |
| Free Plan | Up to 250 contacts, 500 emails/month | Up to 250 contacts, 500 emails/month, 60 SMS |
| Best For | Data-driven brands scaling aggressively | Small-to-mid stores wanting simplicity + multi-channel |
Email Automation and Workflows
Klaviyo: Power and Flexibility
Klaviyo’s automation builder is where the platform truly shines. You can create complex, multi-step workflows with conditional splits based on virtually any data point — purchase history, browsing behaviour, predicted lifetime value, and more. For teams that want granular control over every touchpoint in the customer journey, Klaviyo is hard to beat.
Key automation features include:
- Abandoned cart, browse abandonment, and post-purchase flows
- Conditional branching based on profile properties and predictive data
- Dynamic content blocks that change based on recipient segments
- Back-in-stock and price-drop automated alerts
Omnisend: Simplicity Without Sacrificing Results
Omnisend takes a more streamlined approach. Its automation library comes with pre-built workflows that you can activate in minutes — ideal if you do not have a dedicated email marketing specialist on your team. The drag-and-drop builder is intuitive, and you can still add splits and conditions where needed.
Key automation features include:
- Pre-built workflows for welcome series, cart recovery, and re-engagement
- Combined email + SMS + push notification sequences
- Product recommendation blocks
- Automation splits based on campaign engagement and shopping activity
From our experience managing fulfilment and customer communications for multiple Shopify stores, Omnisend’s pre-built flows got us to a functional setup faster. But as order volumes grew, we found ourselves wanting the deeper segmentation and branching logic that Klaviyo offers.
Shopify Integration: Which Email Platform Fits Best?
Both Klaviyo and Omnisend rank among the top Shopify email platform options, but their integrations work slightly differently.
Klaviyo syncs in real time with your Shopify store. Every product view, add-to-cart event, and purchase is pulled into Klaviyo’s data layer, giving you a complete picture of each customer. This makes it possible to build segments like “customers who bought Product A but not Product B in the last 90 days” — the kind of targeting that moves the needle on revenue.
Omnisend also offers a solid one-click Shopify integration. Product data syncs automatically, and you can pull products directly into your email templates. Where Omnisend has an edge is its built-in multi-channel capability — you can add SMS and push notifications into the same workflow without needing third-party tools.
If Shopify is your primary platform and email is your main channel, both work exceptionally well. Klaviyo edges ahead for data depth; Omnisend edges ahead for multi-channel simplicity.
Segmentation and Personalisation
Segmentation is where Klaviyo consistently outperforms most competitors — including Omnisend. Klaviyo’s segmentation engine lets you combine behavioural data, predictive analytics (like expected next order date and predicted customer lifetime value), and custom properties to build hyper-targeted lists.
Omnisend offers solid segmentation based on shopping behaviour, campaign engagement, and customer lifecycle stage. For most small-to-mid-sized stores, this level of segmentation is more than sufficient. But if you are a brand processing thousands of orders per month and want to squeeze every percentage point of revenue from your list, Klaviyo’s data capabilities are in a different league.
Pricing: Klaviyo vs Omnisend
Pricing is often the deciding factor — and it is where these two platforms diverge significantly.
Klaviyo Pricing
- Free plan: Up to 250 contacts, 500 email sends per month
- Email plan: Starts at around $20/month for 251–500 contacts
- Email + SMS plan: Starts at around $35/month (includes SMS credits)
- Pricing scales with contact list size — can become expensive at higher tiers
Omnisend Pricing
- Free plan: Up to 250 contacts, 500 emails/month, 60 SMS, 500 push notifications
- Standard plan: Starts at $16/month for 500 contacts (6,000 emails/month)
- Pro plan: Starts at $59/month with unlimited emails and advanced reporting
- SMS credits and push notifications included in paid plans
At smaller list sizes, Omnisend is noticeably cheaper — especially if you want SMS included. As your list grows past 10,000–20,000 contacts, the gap narrows, but Omnisend generally remains the more budget-friendly option. Klaviyo justifies its premium pricing with deeper analytics and more powerful segmentation, which can translate directly into higher revenue per recipient.
Try Klaviyo free and see how it fits your store
Pros and Cons
Klaviyo
Pros:
- Industry-leading segmentation and predictive analytics
- Deep Shopify data integration with real-time syncing
- Highly customisable automation workflows
- Robust A/B testing across subject lines, content, and send times
- Strong community, documentation, and agency ecosystem
Cons:
- Steeper learning curve for beginners
- Pricing scales quickly as your contact list grows
- SMS is an add-on cost rather than natively bundled
- No built-in push notifications
Omnisend
Pros:
- Easier to learn and faster to set up
- Multi-channel (email, SMS, push) in a single workflow
- More affordable at most list sizes
- Gamified signup forms boost opt-in rates
- Generous free plan that includes SMS and push
Cons:
- Segmentation is less advanced than Klaviyo
- Reporting and analytics are solid but not as deep
- Fewer third-party integrations outside of e-commerce
- Automation logic is simpler — may feel limiting for advanced users
Start with Omnisend’s free plan to test it risk-free
Deliverability and Support
Both platforms maintain strong email deliverability rates. Klaviyo provides dedicated sending infrastructure for higher-tier accounts and offers detailed deliverability reporting. Omnisend uses shared and dedicated IP options depending on your plan level.
For support, Klaviyo offers email and chat support on paid plans, with a comprehensive knowledge base and active community forum. Omnisend provides 24/7 live chat and email support on all paid plans, and users frequently praise the responsiveness of their support team. On the free tier, both platforms limit support access.
Which Platform Drives More E-commerce Revenue?
This is the question that matters most. Based on our hands-on experience across multiple stores:
Klaviyo tends to generate more revenue per email for brands that fully leverage its segmentation and predictive tools. The ability to target based on predicted lifetime value, expected purchase dates, and granular behavioural data means your campaigns reach the right people at the right time. However, this requires investment — both in the platform cost and in the time to configure and optimise.
Omnisend tends to generate strong revenue more quickly for stores that are just getting started with email marketing or have small teams. The pre-built workflows, multi-channel approach, and lower price point mean you can start recovering abandoned carts and running automated campaigns within hours of signing up.
Verdict: Which Should You Choose?
There is no universally correct answer — but there is likely a correct answer for your specific situation.
Choose Klaviyo if:
- You are a growing or established brand doing significant monthly revenue
- You have the resources (in-house or agency) to build and optimise complex workflows
- Data-driven personalisation and predictive analytics are priorities
- Email is your primary retention and revenue channel
Choose Omnisend if:
- You are a small-to-mid-sized store looking for strong results without a steep learning curve
- You want email, SMS, and push notifications in one platform at a lower cost
- Speed of setup matters — you want automated flows running quickly
- Budget is a major consideration and you need more value per dollar (or pound)
Both platforms are excellent choices for e-commerce email marketing. The best Shopify email platform for your store depends on where you are today and where you plan to be in twelve months. If you are scaling aggressively and want maximum control, Klaviyo is the investment that pays for itself. If you want a capable, affordable, and easy-to-use platform that covers multiple channels out of the box, Omnisend is a smart choice.
Compare Klaviyo and Omnisend side by side — start your free trial today
