Pricing Comparison
Pricing is the starkest difference between the two platforms. Omnisend consistently undercuts Klaviyo by 30–50% at every contact tier — and includes SMS in those prices, while Klaviyo charges SMS as a separate add-on.
| Contacts | Klaviyo (Email only) | Omnisend Standard | Omnisend Pro | Klaviyo + SMS est. |
|---|---|---|---|---|
| 500 | ~$20/mo | $16/mo | $59/mo (unlimited + SMS) | ~$35/mo |
| 1,000 | ~$45/mo | $20/mo | $69/mo | ~$60/mo |
| 5,000 | ~$100/mo | $60/mo | $110/mo | ~$115/mo |
| 10,000 | ~$175/mo | $115/mo | $160/mo | ~$200/mo |
| 25,000 | ~$400/mo | ~$270/mo | ~$340/mo | ~$440/mo |
Features Comparison
Both platforms offer the core ecommerce email feature set: drag-and-drop email builder, pre-built automation flows, A/B testing, list segmentation, and revenue attribution. The differences are in depth and sophistication.
Automation Flows
Klaviyo's flow builder is more powerful — more conditional splits, more trigger options, and tighter integration with Shopify data (predictive next order date, CLV, etc.). Omnisend's flow builder is cleaner and more beginner-friendly, with all the key flows covered. For most brands, Omnisend's automation is genuinely sufficient.
Email Templates
Both have solid template libraries. Omnisend's editor is arguably cleaner and faster to work with. Klaviyo has more templates and a larger community of shared template resources.
Web Push Notifications
Omnisend includes web push notifications — a channel Klaviyo doesn't offer on standard plans. A small but real advantage for brands that want multichannel coverage without a third tool.
Shopify Integration
Both are native Shopify apps. Both sync customer data, order history, and product catalog in real time. Both trigger automations from cart abandonment, purchase events, and browse behavior.
Where Klaviyo edges ahead: more Shopify apps natively integrate with Klaviyo (Recharge, LoyaltyLion, Yotpo, Okendo, etc.), the data sync is faster and more granular, and predictive analytics (predicted LTV, churn risk scores) are more developed.
Omnisend covers the Shopify basics very well — for most Shopify stores, especially under $2M annual revenue, the integration difference is minimal in practice.
SMS Marketing
This is where Omnisend's pricing advantage becomes especially clear. Klaviyo offers powerful SMS — you can coordinate email + SMS flows, SMS has its own analytics, and compliance tools are solid. But SMS is a separate add-on billed per message after free credits.
Omnisend bundles SMS into every plan. Standard includes 60 SMS/month (more than enough for automation triggers). Pro includes 3,933 SMS/month — enough for moderate campaign sends in addition to flows.
Segmentation
Klaviyo's segmentation is its crown jewel. You can build segments on almost any ecommerce signal: orders placed, products purchased, predicted CLV, churn risk score, days since last purchase, and any custom property you pass in. Segments update in real time.
Omnisend's segmentation covers the essentials well — purchase history, email engagement, product categories, customer attributes. It's solid for 80% of use cases. Where it falls short: no native predictive CLV/churn modeling, slightly less granular behavioral triggers, and fewer custom property options out of the box.
Ease of Use
Omnisend wins on approachability. The UI is cleaner, the setup flow is faster, and the automation builder has a shallower learning curve. For a marketer new to email automation, Omnisend is meaningfully easier to get started with.
Klaviyo's interface is powerful but more complex. There's more to configure, more options in every menu, and a steeper initial learning curve. It rewards investment — but that investment is real.
Full Feature Comparison
| Feature | Klaviyo | Omnisend |
|---|---|---|
| Free Plan | 250 contacts, 500 emails/mo | 250 contacts, 500 emails/mo, 60 SMS/mo |
| Email Automation | Best-in-class | Solid, beginner-friendly |
| SMS | Add-on (pay per message) | Included in plans |
| Web Push | No (standard plans) | Yes |
| Shopify Integration | Best-in-class | Solid |
| Segmentation | Best-in-class | Good |
| Predictive Analytics | Yes (CLV, churn) | Limited |
| A/B Testing | Yes (flows + campaigns) | Yes (campaigns; flows on Pro) |
| Revenue Attribution | Best-in-class | Good |
| Community / Ecosystem | Massive | Smaller |
| Ease of Use | Moderate learning curve | Easier |
| Price at 5k contacts | ~$100/mo (email only) | ~$60/mo (email + 60 SMS) |
Verdict: Who Should Use Each?
🏆 Choose Klaviyo if:
You have 10,000+ contacts and want best-in-class segmentation, automation depth, and predictive analytics. You're on a complex Shopify tech stack with multiple integrations. You want the largest community and agency ecosystem behind you. Revenue attribution and data depth are core to your email strategy.
💰 Choose Omnisend if:
You're a budget-conscious ecommerce brand under 10,000 contacts. You want email + SMS bundled without paying Klaviyo's add-on pricing. You want a cleaner, easier-to-use interface. The 30–50% cost savings are meaningful for your business right now.
Frequently Asked Questions
Klaviyo is more powerful overall — deeper segmentation, more native integrations, larger community. Omnisend is better on price and includes SMS bundled. For brands under 10,000 contacts watching costs, Omnisend is a serious contender. For aggressive scalers who need the best segmentation available, Klaviyo wins.
Yes — consistently 30–50% cheaper at every tier. At 5,000 contacts, Omnisend is ~$60/mo vs Klaviyo's ~$100/mo for email only. Factor in Klaviyo's SMS add-on and the gap widens further. Omnisend includes SMS in all plans.
Both integrate well. Klaviyo's integration is deeper — more third-party Shopify app compatibility and better predictive analytics. For complex Shopify tech stacks, Klaviyo wins. For simpler setups, either works well in practice.
Yes, and it's actually better bundled. Omnisend includes SMS in every plan. Klaviyo charges SMS as a separate add-on. If you're running both email and SMS flows, Omnisend's all-in pricing can be 30–40% cheaper once you factor in SMS costs.
Only if cost is a real constraint and you're not fully using Klaviyo's advanced segmentation. If you're paying $200+/mo for Klaviyo and keeping it simple, switching to Omnisend could save meaningful money. If you rely on advanced segmentation, predictive analytics, or the Klaviyo partner ecosystem, stay on Klaviyo.
🔗 Related reading: Klaviyo Review · Omnisend Review · Best Email Marketing for Shopify