Klaviyo vs Omnisend 2025:
Which One Should You Use?
At 25,000 contacts, Omnisend is $120/month cheaper than Klaviyo. At 100,000 contacts, it's $480/month cheaper — that's $5,760/year. But Klaviyo has features Omnisend simply doesn't have. Here's the full breakdown.
Quick Verdict
Omnisend — Best for Stores under $100k/mo revenue
Omnisend offers the same core email + SMS automation as Klaviyo at a significantly lower price. For 90% of Shopify stores, Omnisend's features are more than enough. Switch to Klaviyo only when you need predictive analytics, advanced segmentation, or are scaling past $100k/mo.
Try Omnisend FreeSide-by-Side Comparison
| Feature | ||
|---|---|---|
| Starting Price (500 contacts) | $20/mo | Free |
| Free Plan | ✓ | ✓ |
| Free Plan Limit | 250 contacts | 500 emails/mo |
| Email Automation | ✓ | ✓ |
| SMS Marketing | ✓ | ✓ |
| SMS Countries | 22 countries | 200+ countries |
| Predictive Analytics | ✓ | ✗ |
| A/B Testing | ✓ | ✓ |
| Pre-built Automations | ✓ | ✓ |
| Shopify Integration | ✓ | ✓ |
| WooCommerce Integration | ✓ | ✓ |
| No. of Integrations | 350+ | 130+ |
| Ease of Setup | Moderate | Easy |
| At 25k contacts/mo price | ~$400/mo | ~$280/mo |
Pricing: The Real Numbers
This is where the decision often gets made. At every contact tier, Omnisend is cheaper:
| Contact List Size | Klaviyo | Omnisend | You Save |
|---|---|---|---|
| 500 contacts | Free (250 limit) | Free | — |
| 1,000 contacts | $30/mo | $16/mo | $14/mo |
| 5,000 contacts | $100/mo | $60/mo | $40/mo |
| 25,000 contacts | $400/mo | $280/mo | $120/mo |
| 100,000 contacts | $700/mo | $220/mo | $480/mo |
Where Klaviyo is Worth the Premium
Predictive Analytics
Klaviyo can predict a customer's next order date, lifetime value, and churn risk. You can trigger flows based on these predictions. Omnisend has no equivalent feature.
Advanced Segmentation
Klaviyo's segmentation is more granular — you can filter by predicted CLV, web behavior, product category affinity, and more. Omnisend covers standard RFM segmentation.
350+ Integrations
Klaviyo connects with virtually every tool in the ecommerce stack — loyalty apps, review platforms, subscription tools. Omnisend covers the core 130 integrations.
Simple Decision Framework
→ Choose Omnisend if:
- ✓ You're under $100k/mo revenue
- ✓ You need SMS in 200+ countries
- ✓ You want faster setup
- ✓ You want to save $50-480/mo
- ✓ Your automation needs are standard (abandoned cart, welcome, post-purchase)
→ Choose Klaviyo if:
- ✓ You're scaling past $100k/mo
- ✓ You need predictive analytics
- ✓ You have a complex integration stack
- ✓ You send to US/UK only (fewer SMS countries needed)
- ✓ You're a Shopify Plus merchant
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