Loading content…
Sender vs Klaviyo
Side-by-side comparison · 24 data points
At a glance
| Metric | Klaviyo: Email Marketing & SMS | Sender Email Marketing & SMS |
|---|---|---|
| Rating | 4.7 ★ | ★ 4.8 ★ |
| Total reviews | ★ 2.9k | 13 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | 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 |
AppRanks verdict
Generated from live data on this pageKlaviyo: 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 plan available, 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 (2,869 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
1. Listing metadata
Field-level data| Klaviyo | Sender | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
2. Pricing & plans
Listed prices · monthly · USDTier
Klaviyo
Sender
Free
Free
—
- Sync Shopify data–tags, catalog, coupons
- Templates for Email/SMS
- Forms & push notifications
- Segmentation & personalization
- A/B testing
- +more
Free
—
- Up to 2 500 subscribers
- Up to 15 000 emails/month
- Email automation features
- Contains Sender branding
Paid #1
SMS
15
- Multi-channel segmentation and flows
- Smart opt-in & multi-channel list growth
- SMS AI for campaign creation
- Automated two-way conversations
- Transactional SMS
- Branded SMS links
- Multi-channel A/B testing
- Customizable multi-channel attribution
Standard
10
- Everything in Free, plus:
- SMS and MMS messaging
- No Sender branding
- Multi-user access
Paid #2
Email
20
- Multi-channel segmentation and flows
- Personalized product recommendations
- Reputation repair AI for deliverability
- Email AI for campaign creation
- Send time optimization
- Predictive analytics
- Multi-channel A/B testing
- 160+ campaign templates
Pro
20
- Everything in Standard, plus:
- Free SMS & MMS
- Animated countdown timers
- Advanced automation
- Dedicated IP address
3. Features
As listed by each developerKlaviyo
- Unify and activate real-time data from Shopify and 350+ apps across the journey
- Use Marketing Agent to read your site and build launch-ready on-brand campaigns
- Create AI-powered segments and flow triggers using historical and real-time data
- Drive conversions with personalized email, SMS, WhatsApp, mobile push & pop-ups
- Turn service moments into shopping moments with Customer Hub and Customer Agent
Sender
- Create high-converting emails with premade templates and drag-and-drop builder.
- Send promotional SMS message or newsletter with just a few clicks.
- Automate email & SMS workflows with time or activity triggered drip campaigns.
- Send the right message to the right crowd with segmentation & personalization.
- Collect potential customers’ contacts with signup forms & exit-intent pop-ups.
4. Categories & rankings
Shared categories on the same row · in-category position inlineKlaviyo
Sender
5. Category features
Marketplace-curated features per categoryEmail marketing37 shared · 49 total
Klaviyo
- Abandoned cart
- Cart emails
- Checkout emails
- Custom campaigns
- Discounts
- Drip campaigns
- Email campaigns
- Exit intent
- Follow-up emails
- Forms
- Newsletters
- Pop-ups
- Promotions
- SMS campaigns
- Upsell emails
- Welcome emails
- Win-back emails
- Analytics
- APIs and webhooks
- Automations
- Consent collection
- Custom code
- Custom fonts
- Editor tool
- Email capture list
- Email domains
- Geolocation
- Import and export
- Insights and tips
- Reporting
- Segmentation
- SMS capture list
- Tagging
- Targeting
- Templates
- Tracking
- Triggers and rules
- Back-in-stock emails
- Browse abandonment
- Cross-sell emails
- Price drop emails
- Product recommendations
- Product reviews
- Push notifications
- Subscriptions
- A/B testing
- AI generation
- Bulk editing
- Localization
Sender
- Abandoned cart
- Cart emails
- Checkout emails
- Custom campaigns
- Discounts
- Drip campaigns
- Email campaigns
- Exit intent
- Follow-up emails
- Forms
- Newsletters
- Pop-ups
- Promotions
- SMS campaigns
- Upsell emails
- Welcome emails
- Win-back emails
- Analytics
- APIs and webhooks
- Automations
- Consent collection
- Custom code
- Custom fonts
- Editor tool
- Email capture list
- Email domains
- Geolocation
- Import and export
- Insights and tips
- Reporting
- Segmentation
- SMS capture list
- Tagging
- Targeting
- Templates
- Tracking
- Triggers and rules
- —Back-in-stock emails
- —Browse abandonment
- —Cross-sell emails
- —Price drop emails
- —Product recommendations
- —Product reviews
- —Push notifications
- —Subscriptions
- —A/B testing
- —AI generation
- —Bulk editing
- —Localization
SMS marketing16 shared · 23 total
Klaviyo
- Bulk messaging
- Compliance
- Custom segments
- Custom sender ID
- Opt-in
- Personalized messages
- Real-time analytics
- Scheduled messages
- Segmentation
- Templates
- Birthday messages
- Cart recovery
- Discount codes
- Order confirmations
- Welcome messages
- Win-back campaigns
- A/B testing
- Conversion metrics
- ROI tracking
- Two-way messaging
- Feedback requests
- Order tracking
- Product recommendations
Sender
- Bulk messaging
- Compliance
- Custom segments
- Custom sender ID
- Opt-in
- Personalized messages
- Real-time analytics
- Scheduled messages
- Segmentation
- Templates
- Birthday messages
- Cart recovery
- Discount codes
- Order confirmations
- Welcome messages
- Win-back campaigns
- —A/B testing
- —Conversion metrics
- —ROI tracking
- —Two-way messaging
- —Feedback requests
- —Order tracking
- —Product recommendations
5. Search rankings
Top 5 keywords · shared rankings prioritized| Keyword | Klaviyo | Sender |
|---|---|---|
| #2 | #19 |
6. Featured placements & badges
Editorial visibilityKlaviyo4 all-time · 4 recent
- category · Recommended marketing appsJune 13, 2026
- category · Email marketingJune 13, 2026
- category · SMS marketingJune 13, 2026
- home · Popular with merchants across ShopifyJune 13, 2026
Sender0 all-time · 0 recent
Not featured in any section recently.
7. Activity in the last 90 days
Tracked changes · pricing, features, copy, screenshotsKlaviyo · 4 changes
- Jun 10descriptionListing copy updated
- May 3descriptionListing copy updated
- Apr 5descriptionListing copy updated
- Apr 2descriptionListing copy updated
Sender · 2 changes
- May 21descriptionListing copy updated
- May 21descriptionListing copy updated
8. Quality signals
Reviews · velocity · latest sentiment| Signal | Klaviyo | Sender |
|---|---|---|
| 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 | — |
5 latest reviews · each app
Klaviyo
- Jun 12, 2026
We just started using the app but the features are really impressive and easy to use so far!
- Jun 12, 2026
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.
- Jun 12, 2026
excellent
- Jun 12, 2026
Excellent service
- Jun 12, 2026
muy funcional
Sender
No reviews yet.
9. App details
Long-form description · keyword frequencyKlaviyo
Go beyond the basics with Klaviyo’s AI-first B2C CRM. Klaviyo syncs Shopify data in milliseconds so every message and insight reflects what’s happening in your store right now. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and AI customer service tools that turn browsers into buyers.
Top keywords
- klaviyo4×5.19%
- ai2×2.60%
- data2×2.60%
- shopify2×2.60%
Sender
Use the super simple drag and drop email builder and mobile-friendly email templates to deliver an effective email campaign effortlessly. Design newsletter sign-up form or fancy exit intent popup in minutes from high-converting layouts to attract leads and use the email segmentation feature to send laser-targeted emails to specific groups of subscribers. Automate everything from a welcome email, an abandoned cart recovery email to SMS notifications for buying customers in just a few clicks.
Top keywords
- email6×8.11%
Frequently asked
Common questions about this comparisonIs Klaviyo: Email Marketing & SMS or Sender Email Marketing & SMS cheaper?
Both Klaviyo: Email Marketing & SMS and Sender Email Marketing & SMS offer paid plans only. Klaviyo: Email Marketing & SMS starts at Free plan available; Sender Email Marketing & SMS starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Which has better reviews, Klaviyo: Email Marketing & SMS or Sender Email Marketing & SMS?
Klaviyo: Email Marketing & SMS (4.7★, 2,869 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.
Should I choose Klaviyo: Email Marketing & SMS or Sender Email Marketing & SMS?
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.
Which is faster to set up, Klaviyo: Email Marketing & SMS or Sender Email Marketing & SMS?
Both apps are one-click installs from the Shopify App Store marketplace. Klaviyo: Email Marketing & SMS has more onboarding documentation maturity (2,869 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.
Which works better for small vs large Shopify App Store stores?
Klaviyo: Email Marketing & SMS typically suits early-stage and growth-mode stores based on its review-base composition (2,869 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.
Can I migrate data between Klaviyo: Email Marketing & SMS and Sender Email Marketing & SMS?
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.
More popular comparisons
Other side-by-side comparisons in the same marketplaceShopify Flow vs Klaviyo: Email Marketing & SMSTapita AI SEO Optimizer, Speed vs Judge.me Product Reviews AppJudge.me Product Reviews App vs Tiny SEO Speed Image OptimizerGoogle Reviews by Reputon vs Judge.me Product Reviews AppJudge.me Product Reviews App vs SEOLab: All in #1 SEO — AI SEOJudge.me Product Reviews App vs Stamped Reviews & LoyaltyAvada AI SEO Suite Optimizer vs Judge.me Product Reviews AppCed Google Shopping Feed & Ads vs TikTok
