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1. Listing metadata
Field-level data| Klaviyo | OptiStep | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
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| Developer | ||
| Listed |
| Klaviyo | OptiStep | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
| Metric | Klaviyo: Email Marketing & SMS | OptiStep |
|---|---|---|
| Rating | 4.7 ★ | — |
| Total reviews | 3k | 0 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | — | — |
| Pricing tiers | ★ 3 tiers | 2 tiers |
| Listed features | 5 | 5 |
| Featured placements | 4 | — |
| Review velocity (30d) | 125 new | — |
| Languages | 10 supported | 1 supported |
| Listed since | Sep 2012 | Aug 2025 |
Based on the data on this page, Klaviyo: Email Marketing & SMS is the stronger choice for most Shopify App Store merchants — 4.7★ vs OptiStep's 0.0★ is a meaningful gap that usually reflects real product or support quality differences across the user base. Pricing entry tiers: Klaviyo: Email Marketing & SMS at Free plan available, OptiStep at Free plan available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (apps, orders, integrations) varies. Klaviyo: Email Marketing & SMS has the larger user base (2,992 reviews vs 0), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. OptiStep's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended by store size: small/early-stage merchants who need fast install and low risk should default to Klaviyo: Email Marketing & SMS; mid-market and enterprise merchants with specific feature requirements should evaluate both — OptiStep's 0-review base may include the workflow context that matches your specific use case better than Klaviyo: Email Marketing & SMS's broader-but-shallower coverage. This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Klaviyo: Email Marketing & SMS audit • OptiStep audit
| Last updated | — | — |
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| Keyword | Klaviyo | OptiStep |
|---|---|---|
| email marketing | #1 | Not ranked |
| email marketing sms | #1 | Not ranked |
| emails | #1 | Not ranked |
Not featured in any section recently.
No tracked changes.
| Signal | Klaviyo | OptiStep |
|---|---|---|
| Average rating | 4.7 ★ (3k) | 0.0 ★ (0) |
| Rating distribution | 590% 42% 30% 21% 17% | 5— 4— 3— 2— 1— |
| Reviews · last 7 days | +23 | — |
| Reviews · last 30 days | +125 | — |
| Reviews · last 90 days | +462 | — |
Both Klaviyo: Email Marketing & SMS and OptiStep offer paid plans only. Klaviyo: Email Marketing & SMS starts at Free plan available; OptiStep starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
It depends on what you're optimizing for. Klaviyo: Email Marketing & SMS fits better if you prioritize rating consistency; OptiStep is the call if you need the larger user base. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Klaviyo: Email Marketing & SMS has more onboarding documentation maturity (2,992 reviews vs 0), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Klaviyo: Email Marketing & SMS typically suits early-stage and growth-mode stores based on its review-base composition (2,992 reviews). OptiStep aligns more with early-stage and growth-mode stores (0 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Migration support varies by app and category. Klaviyo: Email Marketing & SMS and OptiStep both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from OptiStep" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
Good sevice
It's brought me income the first day of activating our pop sign-up form. Which is what you really want from platforms like this! Thank you Klaviyo!
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