Klaviyo and Omnisend are both email & sms marketing tools compared here on pricing verified 2026-10-01, published plans, App Store standing, and themes from recent merchant reviews. Both are priced in the same range — the decision comes down to features and fit. On the Shopify App Store, Klaviyo holds 4.7 ★ across 2,949 reviews and Omnisend holds 4.8 ★ across 2,951. Klaviyo: These reviews suggest the app fits Shopify merchants looking for a robust email marketing tool with strong Shopify syncing and room to grow into segmentation features. Omnisend: These reviews suggest the app fits Shopify merchants who want a usable email and SMS marketing platform with guided setup and a lower-friction alternative to more complex competitors. — from tracked pricing and recent App Store review analysis.
Up to 250 contacts, 500 emails/month, and 500 web push notifications/month.
Standard
$11.2
Displayed for 251–500 billable contacts; includes 500 contacts and 6,000 emails/month (generally 12× list size), with unlimited web push notifications. Pricing scales with contact count.
Pro
$41.3
Displayed with up to 2,500 contacts, unlimited monthly emails subject to fair use of up to 60× list size, and unlimited web push notifications. SMS costs extra, starting at $0.007/SMS depending on country and volume.
Custom
—
Custom contact allowance and unlimited monthly emails; intended for large contact lists, high email volume, or more than 150,000 active profiles. SMS pricing varies by country and volume.
Billing is in USD. Local-currency prices are estimates. SMS pricing shown for the United States ranges from $0.009/SMS at $10–$49.99 volume to $0.007/SMS at $10,000+ volume.
Extracted from each vendor's App Store listing (2026-07-15);
"—" = not stated there. Verify tier availability on vendor pricing pages.
What do merchants say about them?
Klaviyo
Recent merchant sentiment is strongly positive, but much of the sample consists of ratings with minimal written explanation. Written comments most often highlight email marketing performance, Shopify integration, ease of use, and early revenue impact, while the clearest caveat is pricing for businesses in a growth phase.
＋Strong overall satisfaction — Most identifiable recent reviews are positive, with many merchants leaving high ratings even when they provide little written detail.
＋Email marketing effectiveness — Several merchants say the app works well for email marketing and helps support sales or revenue-generating campaigns.
＋Shopify integration — Merchants note that the app connects smoothly with Shopify and keeps store data in sync effectively.
＋Ease of use — Some newer users describe the interface as approachable and intuitive despite being early in setup.
－Pricing pressure — One merchant says costs rise sharply for growing businesses and recommends carefully modeling pricing before committing.
－Segmentation learning curve — One review notes that segmentation requires some learning before it becomes effective.
Watch out: Merchants should review pricing carefully as their contact list or business scale grows.
Synthesized from the 20 most recent App Store
reviews (2026-07-15); themes paraphrased.
Omnisend
Recent sentiment is mostly positive, with many 5-star ratings and repeated praise for support, usability, and ecommerce email/SMS features. The main negative pattern is not about core marketing capability, but about support responsiveness, onboarding friction, and communication during technical or compliance issues.
＋Helpful support — Several merchants credit support staff with resolving setup, payment, SMS, or feature questions effectively.
＋Ease of use — Merchants describe the app as straightforward to use, especially compared with other email platforms.
＋Email and SMS functionality — Positive reviews say the email tools, SMS setup support, and campaign capabilities meet ecommerce marketing needs.
＋Migration and setup help — Some merchants report smooth onboarding or successful guidance when moving from other tools or configuring campaigns.
－Slow or inadequate support — Negative reviews most often describe delayed responses, unclear guidance, or insufficient help during technical or migration issues.
－Account and verification friction — Some merchants report blocked accounts, prolonged number verification, or compliance checks that felt poorly explained.
－Migration issues — One merchant had a failed or delayed migration experience from another SMS platform and felt communication was lacking.
Watch out: Merchants with urgent setup, DNS, migration, compliance, or SMS verification needs should watch for possible delays or unclear support handoffs.
Synthesized from the 20 most recent App Store
reviews (2026-07-15); themes paraphrased.
FAQ
Which is cheaper, Klaviyo or Omnisend?
Both start at free (verified 2026-10-01).
Does Klaviyo or Omnisend have a free plan?
Both offer free tiers.
Which is rated higher on the Shopify App Store?
Omnisend rates higher at 4.8 ★, vs 4.7 ★ — though both counts matter: Klaviyo has 2,949 reviews and Omnisend has 2,951.
How we compare: pricing and plans are collected automatically
from vendor pages on a schedule and shown with verification dates; ratings come
from the Shopify App Store; merchant sentiment is synthesized from the most
recent App Store reviews (paraphrased, never quoted). We currently have no
affiliate relationship with either vendor. Found an error?
The data snapshot behind this page is dated — check the vendor's page for
same-day changes.
Klaviyo
Omnisend