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1. Listing metadata
Field-level data| Klaviyo | Sender | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
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| Developer |
| Klaviyo | Sender | |
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| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer |
| Metric | Klaviyo: Email Marketing & SMS | Sender Email Marketing & SMS |
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| Rating | 4.7 ★ | ★ 4.8 ★ |
| Total reviews | ★ 2.9k | 13 |
| Free plan | Yes | Yes |
| Pricing | Free to install | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | 3 tiers | 3 tiers |
| Listed features | 5 | 5 |
| Featured placements | 4 | — |
| Review velocity (30d) | 161 new | — |
| Languages | 10 supported | 4 supported |
| Listed since | Sep 2012 | Aug 2022 |
Klaviyo: Email Marketing & SMS and Sender Email Marketing & SMS are evenly matched on rating (4.7★ vs 4.8★) — the differentiator comes down to pricing fit, feature breadth, and which app's interaction pattern suits your team's workflow. Pricing entry tiers: Klaviyo: Email Marketing & SMS at Free to install, Sender Email Marketing & SMS at Free to install. 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 (2,867 reviews vs 13), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Sender Email Marketing & SMS's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended evaluation path: install both apps' free tiers (where available) and run them in parallel on a small cohort of orders for 7-14 days before committing. The data tables below show the per-feature breakdown — for most merchants the deciding factor will be a single integration or workflow detail that's hard to compare from listing pages alone. 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 • Sender Email Marketing & SMS audit
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| Keyword | Klaviyo | Sender |
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| #2 | #17 |
Not featured in any section recently.
| Signal | Klaviyo | Sender |
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| Average rating | 4.7 ★ (2.9k) | 4.8 ★ (13) |
| Rating distribution | 589% 42% 30% 21% 18% | 5— 4— 3— 2— 1— |
| Reviews · last 7 days | +35 | — |
| Reviews · last 30 days | +161 | — |
| Reviews · last 90 days | +369 | — |
Both Klaviyo: Email Marketing & SMS and Sender Email Marketing & SMS offer paid plans only. Klaviyo: Email Marketing & SMS starts at Free to install; Sender Email Marketing & SMS starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Klaviyo: Email Marketing & SMS (4.7★, 2,867 reviews) and Sender Email Marketing & SMS (4.8★, 13 reviews) are essentially tied on rating. Look at review velocity and individual reviewer quotes — both visible on each app's detail page — to differentiate.
It depends on what you're optimizing for. Klaviyo: Email Marketing & SMS fits better if you prioritize broader integrations; Sender Email Marketing & SMS is the call if you need the higher-rated option. 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 (2,867 reviews vs 13), 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.
We just started using the app but the features are really impressive and easy to use so far!
Klaviyo when used properly is a game changer - just make sure that you are sending emails that people actually want to open - dont only use email marketing to promore sales and specials.
excellent
Excellent service
muy funcional
No reviews yet.
Klaviyo: Email Marketing & SMS typically suits early-stage and growth-mode stores based on its review-base composition (2,867 reviews). Sender Email Marketing & SMS aligns more with early-stage and growth-mode stores (13 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 Sender Email Marketing & SMS 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 Sender Email Marketing & SMS" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
