Klaviyo vs Omnisend for a small Shopify store
A source-verified comparison of free-plan limits, support, paid entry, and current messaging constraints for small Shopify teams.
The decision is conditional—not a universal winner.
The free email ceilings are tied. Omnisend is the stronger first choice when ongoing free support and web push matter; Klaviyo is the stronger evaluation candidate when its customer-profile, reporting, and service surface matter more.
Promiit does not name an overall price winner because Klaviyo paid pricing is configuration-dependent and current mobile pricing is region- and plan-sensitive.
Normalized facts
Vendor terms stay visible when their definitions differ.
| Decision factor | Klaviyo | Omnisend | Promiit interpretation |
|---|---|---|---|
| VerifiedFree monthly price | $0 | $0 | Both can be evaluated without a paid subscription.14 |
| VerifiedFree contact ceiling | 250 active profiles | 250 unique contacts reached | The headline ceiling is the same, but each vendor defines the counted audience differently.125 |
| VerifiedFree email sends | 500 per month | 500 per month | No meaningful difference at the free email-volume ceiling.1245 |
| VerifiedSupport on free plan | Email support for the first 60 days; self-service resources after that | 24/7 chat and email support, including free accounts | Omnisend has the clearer long-term support advantage for a first-time operator.124 |
| Not comparableFree adjacent channel allowance | $5 of mobile messages per month | 500 web push notifications per month | These are different channels and should not be scored as equivalent units.134 |
| Scenario requiredPaid entry point | Variable by active profiles and selected products; use the live calculator | Standard from $16/month regular price; introductory prepay discount may apply | A single cheapest-product claim is not supportable without fixing list size and channels.15 |
| Changed policyCurrent mobile/SMS pricing model | Dollar-based per-message rates since July 13, 2026; rate varies by channel and region | New Standard subscriptions exclude SMS; Pro add-on starts at $0.007/SMS and varies by country and volume | Do not compare SMS cost without region, number type, message mix, and plan date.35 |
Evidence ledger
Every page was fetched directly by the pipeline. Promiit stores the response hash and expected fact signals, not a republished copy of the vendor page.
- 01Klaviyo pricingOpen official source in a new tab
sha256:79fa6f5da6a0… - 02Klaviyo policyOpen official source in a new tab
sha256:f4ffca8a585d… - 03Klaviyo change-logOpen official source in a new tab
sha256:b62780d10eee… - 04Omnisend pricingOpen official source in a new tab
sha256:bd416f78e866… - 05Omnisend policyOpen official source in a new tab
sha256:401da37ecd5f…
How this page was produced
The first production pipeline is intentionally narrow and reproducible.
- CrawlFetch five configured official pricing, policy, and change-log pages.
- AssertBlock publication if a required current fact signal disappears.
- NormalizeKeep vendor definitions and label values that are not genuinely comparable.
- ValidateRequire source IDs, retrieval time, disclosure, freshness, and explicit approval.
No vendor accounts were created, no deliverability tests were run, and no revenue outcome is claimed. This comparison covers public plan and policy evidence only.