Omnisend vs Klaviyo: Pricing and Features Compared

Omnisend and Klaviyo both price email marketing on the size of your list, and both have a free plan for 250 contacts and 500 emails a month. As of October 7, 2026, Omnisend's Standard plan started at $16 a month for 500 contacts and Klaviyo's Email plan at $20 a month for 500 active profiles; at 10,000 contacts, the pages showed $132 (Omnisend Standard), $150 (Omnisend Pro) and $150 (Klaviyo Email).

This comparison uses only what each company publishes: Omnisend's pricing page, Klaviyo's pricing page and Help Center, and both Shopify App Store listings, all read on October 7, 2026, in US dollars.

How do Omnisend and Klaviyo compare at a glance?

Sources: Omnisend pricing, Klaviyo pricing, Omnisend on the Shopify App Store, Klaviyo on the Shopify App Store, as of October 7, 2026.

What does each one cost at your list size?

Both pricing pages work with a list-size selector. The table takes the same size on each and reads the monthly price displayed, with Omnisend set to monthly billing (its page opens on a three-month prepayment option, covered below).

Sources: Omnisend pricing page with the prepayment option switched off, and Klaviyo pricing page slider, as of October 7, 2026.

How to read these rows:

• Omnisend's Pro plan has a floor. Its first price, $59 a month, covers up to 2,500 contacts, so a 500-contact list pays the same as a 2,500-contact list on Pro.
• Omnisend showed a prepayment discount. With "Pay 3 months upfront (save 30%)" switched on, the page displayed $11.20 a month for Standard at 500 contacts, billed as $33.60 for three months, then monthly billing at the standard price. Its App Store listing describes the same offer as 30% off the first three months.
• Klaviyo showed a first-month promotion of $19 off the $20 Email plan at 500 profiles.
• Klaviyo sells more than the Email plan. Its other plans and add-ons are covered in our Klaviyo pricing guide.

A worked example (fictional store)

A fictional Shopify store has 8,000 contacts and sends two campaigns a week to the whole list, plus automated flows that add about 2 emails per contact per month.

• Volume: 8 campaigns × 8,000 contacts = 64,000 emails, plus 2 × 8,000 = 16,000 flow emails, so 80,000 emails a month.
• Omnisend Standard: the 7,001 to 9,000 tier was $127 a month with 108,000 emails. 80,000 fits.
• Omnisend Pro: emails are unlimited. We read $90 a month at 5,000 contacts and $150 at 10,000, and did not record the 7,001 to 9,000 tier, so read it on the page.
• Klaviyo Email: the slider goes from 6,500 ($140) to 10,000 ($150), so 8,000 profiles are on the 10,000 step: $150 a month with 100,000 emails. 80,000 fits.

If the same store sent three campaigns a week, the volume would be 12 × 8,000 + 16,000 = 112,000 emails: above Omnisend Standard's 108,000 and above Klaviyo's 100,000 at this size. The next section explains what each tool does then.

Who do you pay for on each tool?

Omnisend. The list-size selector on its pricing page states: "You're billed for subscribers and non-subscribers who received automated messages. Unsubscribed contacts aren't billed."

Klaviyo. Its Help Center defines an active profile as any profile that can be emailed through Klaviyo, regardless of consent status, including people who shared an email address at checkout without opting in. Unsubscribed, bounced or suppressed profiles leave the billable count once the suppression is processed.

The two definitions agree on unsubscribes and differ on non-subscribers: Omnisend bills those who received automated messages, and Klaviyo bills every profile that can be emailed. A store with many checkout contacts who never opted in should count them carefully on both.

What happens when you pass a limit?

Omnisend. Its pricing FAQ says that if you exceed the email limit on the Free or Standard plan, you get the option to upgrade, and that you are always asked to confirm an account upgrade before it happens. Pro has unlimited monthly emails, with a fair use policy tied to its anti-spam policy.

Klaviyo. If your active profiles exceed your plan, you are moved to a plan that covers them at the next billing cycle. If you reach your email limit, your billing preference decides between automatic upgrade to the next tier, a one-time flexible overage, and paused sending until the cycle renews. According to its Help Center, automatic upgrade is the default on a new plan, a downgrade takes effect at the next billing cycle, and mid-cycle downgrades are not refunded.

How does SMS pricing compare?

Sources: Omnisend pricing page and Klaviyo pricing page, as of October 7, 2026.

Two rates are comparable only if they cover the same things. Klaviyo states that its price includes provider fees where applicable. Before you compare, ask Omnisend whether carrier fees are inside its volume rate at your volume, and remember that on both tools a long message is billed as several segments.

Which features differ on each vendor's own pages?

Sources: Omnisend pricing, Klaviyo pricing and both App Store listings, as of October 7, 2026.

Omnisend's pricing FAQ adds that the Free plan gives access to the features of the paid plans, with two limits: 500 emails a month and 250 contacts.

How does each one connect to Shopify?

Omnisend's App Store listing describes campaigns and newsletters from ready-made templates, pop-ups and sign-up forms for list growth, and welcome, abandoned cart and post-purchase automation workflows. The listing shows it working with Shopify Checkout and Shopify Flow.

Klaviyo's integration guide describes bringing customer profile and order data into Klaviyo, adding people who accept email or SMS marketing at checkout to a list you choose, syncing Shopify Markets catalogs, enabling onsite tracking, and syncing profile data from Klaviyo back to Shopify. Its listing shows it working with Checkout, Customer accounts, Shopify Flow and the Shopify admin.

What does each vendor say about migration?

Omnisend publishes a page for migrating from Klaviyo. It says that, at no charge, its team recreates your workflows, segments, forms and templates after you grant access to your Klaviyo account during sign-up, and that it migrates all segments that can be matched in Omnisend. Its timeline: contact import typically completes within 1 to 24 hours, and a full migration, including rebuilding automations, verifying your sender domain and testing, usually takes 5 business days. It advises keeping your old platform active until automations are confirmed and reports are exported.

Klaviyo's integration guide gives one instruction for stores arriving from another email service: disconnect the previous tool from Shopify before integrating Klaviyo, or double opt-in emails could be sent to your existing subscribers.

Whichever direction you go, plan one overlap billing cycle, and warm up the new sending domain on your most engaged segment first.

How to choose between Omnisend and Klaviyo

• Small list, tight budget. Read the first three rows of the price table. The free plans have the same limits; support differs, as each vendor states it.
• You email often. Compare allowances: 12 times your list on Omnisend Standard, unlimited on Omnisend Pro, 10 per profile on Klaviyo's Email plan. Run the arithmetic from the worked example with your own cadence.
• SMS is central. On Omnisend, SMS credits attach to the Pro plan. On Klaviyo, mobile messages attach to any plan. Compare the monthly totals at your volume, with carrier fees clarified.
• You want WhatsApp or mobile push in the same tool. Klaviyo's listing names both. Omnisend's names web push.
• You are still shortlisting. Klaviyo vs Mailchimp applies the same method to another tool, and our Klaviyo alternatives page and ranking of the best Shopify email marketing apps widen the list. For text messaging alone, see the best Shopify SMS apps.

Where does WhatsApp fit next to your email tool?

WhatsApp can run in a dedicated app next to either tool. Kanal, our WhatsApp marketing app for Shopify, integrates with Klaviyo: Klaviyo segments sync to Kanal and WhatsApp messages are triggered from Klaviyo flows, while email and SMS stay in Klaviyo. Kanal has no integration with Omnisend. Next to Omnisend, Kanal works from your Shopify data for abandoned cart recovery and campaigns on WhatsApp, and your email and SMS program stays where it is.

Omnisend vs Klaviyo in short

Both tools bill by list size with matching free plans. Omnisend publishes two paid plans, Standard with 12 emails per contact and Pro with unlimited emails and SMS credits as an add-on. Klaviyo publishes an Email plan with 10 emails per active profile, mobile messages on any plan and a wider set of add-on products. Read both pages at your list size and your sending cadence, clarify what each SMS rate includes, and keep the old tool running for one cycle if you switch.