Klaviyo dominates Shopify email marketing - but is it right for your store? An honest comparison of Klaviyo, Omnisend, Shopify Email and Mailchimp with real pricing and feature data.
TL;DR
Klaviyo has become the default email platform for serious Shopify merchants - and for good reason. Its native Shopify integration, data granularity, and automation capabilities genuinely set the standard. But at £400-£800/month for mid-sized lists, many merchants are wondering whether the premium is justified or whether one of the growing alternatives can deliver similar results at a fraction of the cost.
We've tested all four main options across real Shopify stores with lists ranging from 2,000 to 80,000 contacts. This is what we found.
Platforms compared
- Klaviyo (the current market leader)
- Omnisend (the main challenger)
- Shopify Email (the native option)
- Mailchimp (the legacy player)
Before comparing platforms, it's worth understanding what "good" looks like for Shopify email. A properly configured email programme for an e-commerce store should drive 25-35% of total revenue - entirely from automated flows and broadcast campaigns. The flows doing most of the heavy lifting are:
Your platform choice determines how well you can build and optimise these flows. See our abandoned cart email guide for detailed sequence templates that work across all these platforms.
Klaviyo's Shopify integration is genuinely deep. It syncs customer data in real time - not just email addresses and order history, but product browse history, predicted lifetime value, purchase frequency, and dozens of other data points that aren't available on competing platforms.
This data depth enables segmentation that simply isn't possible elsewhere. In Klaviyo, you can build a segment of "customers who have purchased from the footwear category, whose predicted LTV is over £200, who haven't ordered in 45-90 days, and who opened an email in the last 30 days." That level of specificity meaningfully improves campaign performance.
Flow builder: Klaviyo's conditional branching in flows is the most sophisticated on the market. You can build genuinely complex logic - different paths based on purchase history, average order value, product category, and dozens of other conditions.
Reporting: The revenue attribution reporting is best-in-class. Klaviyo attributes revenue directly to specific flows and campaigns with configurable attribution windows, giving you a clear picture of what's actually driving commercial results.
Deliverability: Klaviyo's deliverability infrastructure is strong. Dedicated sending infrastructure, proactive list hygiene tools, and good suppression management contribute to consistently above-average inbox placement rates.
Pricing: This is the primary objection. Klaviyo's pricing is contact-based:
| Contacts | Monthly Cost (Email only) |
|---|---|
| 0-250 | Free (500 sends/month) |
| 251-500 | £20/month |
| 501-1,000 | £30/month |
| 1,001-5,000 | £100/month |
| 5,001-10,000 | £175/month |
| 10,001-25,000 | £375/month |
| 25,001-50,000 | £720/month |
| 50,001-100,000 | £1,350/month |
Prices approximate as of Feb 2026 - check Klaviyo.com for current pricing
The jump from 1,000 to 5,000 contacts (from £30 to £100/month) catches many growing merchants off-guard. And the price at 50,000+ contacts is a significant line item for businesses at that scale.
Learning curve: Klaviyo is complex. Most merchants don't use even 30% of its features, which means they're overpaying for capabilities they haven't built the expertise to leverage.
SMS pricing: Adding SMS to Klaviyo means an additional cost on top of the email subscription. At scale, this adds up significantly compared to alternatives that bundle SMS.
Klaviyo makes the most sense for:
Omnisend has been steadily building its reputation as the serious alternative to Klaviyo, and as of 2026 it's closed much of the feature gap while maintaining a more accessible pricing structure.
Pricing: Omnisend's free tier is significantly more generous than Klaviyo's - 500 contacts with 500 email sends per month. Paid plans:
| Contacts | Monthly Cost | Includes |
|---|---|---|
| 0-500 | Free | Email only, 500 sends/month |
| 501-500 | £16/month | Email + SMS, 6,000 sends/month |
| Any size | £59/month | Email + SMS + push, 15,000 sends/month |
| Scaling | ~£60-400 | Based on contact count |
The bundled SMS is a meaningful advantage. Sending abandoned cart SMS alongside abandoned cart email significantly improves recovery rates - having both channels on one platform simplifies setup and reduces total cost.
Automation: Omnisend's pre-built automation templates are excellent for getting started quickly. Welcome series, abandoned cart, and post-purchase flows are available as one-click templates with sensible default content. Klaviyo requires more configuration from scratch.
Shopify integration: The Shopify data sync is solid - product recommendations, dynamic content blocks, and purchase-based triggers all work well. It's not quite as deep as Klaviyo's data model, but for most stores the difference is academic.
Segmentation depth: Omnisend's segmentation capabilities, while improving, still don't match Klaviyo's precision for complex conditions. For sophisticated retention programmes, the limitations eventually become visible.
Reporting: Revenue attribution reporting is less granular than Klaviyo's. Acceptable for most use cases, but if detailed per-flow attribution matters to you, Klaviyo is cleaner.
Platform maturity: Omnisend occasionally feels like a product that's growing faster than its infrastructure. Support response times can be inconsistent, and some advanced features feel less polished than Klaviyo equivalents.
Omnisend is the best choice for:
Shopify launched its native email tool in 2019, and it's had meaningful development since then. It's now a competent tool for basic broadcast campaigns - but it's not an email marketing platform in the way Klaviyo and Omnisend are.
Price: Shopify Email is included in all Shopify plans with 10,000 sends free per month. Beyond that, it's £1 per 1,000 sends. For low-volume senders, this is effectively free.
Simplicity: Setting up and sending an email takes about 3 minutes. The templates draw directly from your Shopify theme, so brand consistency is automatic.
Integration: Obviously perfect - it's native. Product collections, inventory status, and customer data flow without any configuration.
Automation: Shopify Email's flow capabilities are very limited compared to Klaviyo or Omnisend. Abandoned cart is supported, but conditional branching, complex triggers, and sophisticated segmentation are largely absent.
Segmentation: Basic segmentation only. Customer segments from Shopify admin can be used, but you can't build complex behavioural segments within the email platform.
Reporting: Limited. You get opens, clicks, and revenue - but attribution and per-flow analysis are basic.
Recommendation: Use Shopify Email for broadcast campaigns (sales, announcements) if you're on a tight budget or just getting started. For a proper retention programme, pair it with a dedicated platform or upgrade to Omnisend or Klaviyo.
Honest answer: for Shopify merchants specifically, probably not.
Mailchimp and Shopify's official integration ended in 2019 following a commercial dispute. Third-party connectors (Zapier, ShopSync) restore basic functionality, but the data sync is materially less reliable and real-time than Klaviyo or Omnisend's native integrations.
Mailchimp has strong brand awareness and genuinely good features for B2B email and non-commerce newsletters. But for a Shopify-first business needing accurate purchase data, product recommendations, and reliable flow triggers, the workarounds are frustrating in practice.
If you're already on Mailchimp and considering moving to Shopify, migrating to Klaviyo or Omnisend at the same time is worth the short-term effort.
| Feature | Klaviyo | Omnisend | Shopify Email | Mailchimp |
|---|---|---|---|---|
| Shopify integration depth | ★★★★★ | ★★★★ | ★★★★★ | ★★★ |
| Automation capabilities | ★★★★★ | ★★★★ | ★★ | ★★★★ |
| Segmentation depth | ★★★★★ | ★★★★ | ★★ | ★★★ |
| SMS capability | Add-on | ★★★★★ | No | Add-on |
| Reporting quality | ★★★★★ | ★★★★ | ★★★ | ★★★★ |
| Ease of use | ★★★ | ★★★★ | ★★★★★ | ★★★★ |
| Price (5k contacts) | ★★★ | ★★★★★ | ★★★★★ | ★★★★ |
| Price (50k contacts) | ★★ | ★★★★ | ★★★★ | ★★★ |
| Deliverability | ★★★★★ | ★★★★ | ★★★★ | ★★★★ |
Under £100k annual revenue (or under 5k contacts): Start with Shopify Email for broadcasts and add Omnisend's free tier for automated flows. Don't pay for Klaviyo until you're generating enough revenue that advanced segmentation will meaningfully move the needle.
£100k-£500k annual revenue: Omnisend on a paid plan. You'll get the automation capabilities you need at a price that makes sense for your scale.
£500k+ annual revenue: Klaviyo. The investment is justified by the revenue uplift from advanced segmentation and the reporting clarity you need at this stage of scale. If you're managing a significant portion of your revenue through email, the additional sophistication earns its keep.
If SMS is a priority at any scale: Omnisend. Bundled SMS at a competitive price is a genuine advantage.
Can I switch from Klaviyo to Omnisend without losing my automation history? Yes, but it requires some work. Export your subscriber list and suppression list from Klaviyo, import into Omnisend, and recreate your flows from scratch. Historical revenue attribution data won't transfer, but your subscriber data, preferences, and segment definitions can be migrated. Plan a 2-week transition period to avoid any gaps in automation coverage.
Is Klaviyo pricing worth it for a small store? For most stores under £200k annual revenue, no. The features that justify Klaviyo's cost - advanced predictive segmentation, complex flow branching, detailed per-flow revenue attribution - require both the right data volume and dedicated expertise to leverage. Omnisend offers 80% of the practical value at 40% of the cost at this scale.
Does Klaviyo's new pricing structure affect the value? Klaviyo updated its pricing in 2024 to be based on active profiles rather than total contacts, which was broadly positive for merchants with older lists containing inactive subscribers. However, pricing still scales significantly, and the change didn't alter the fundamental cost comparison with Omnisend for most use cases.
Can Shopify Email replace a dedicated email platform? For very early-stage stores (under 1,000 customers, no complex automation needs), Shopify Email can serve as your primary email tool. The moment you want conditional automation - different email paths based on purchase history or behaviour - you need a dedicated platform.
How much revenue should email be generating for my Shopify store? A well-configured email programme typically generates 25-35% of total e-commerce revenue. If yours is significantly below this, the issue is usually automation coverage (missing key flows like post-purchase and win-back) rather than platform choice. Fix the strategy first, then evaluate whether your platform is limiting you. Our Shopify email marketing guide covers what a full programme looks like.
The "best" email platform isn't universal - it depends on your current scale, technical resources, and how central email is to your growth strategy.
For most growing Shopify stores, Omnisend hits the best balance of capability and cost. For stores where email drives significant revenue and you have the resource to leverage advanced features, Klaviyo's investment is justified. And for everyone: get your automation flows built properly before you worry too much about which platform they live on.
If you want help evaluating which flows to prioritise and how to structure your email programme, our AI email marketing automation guide covers the full setup process.
Pricing data verified February 2026 - check each platform's current pricing page as rates may have changed. Sources: Klaviyo Pricing, Omnisend Pricing, Shopify Email