299,483 Shopify stores currently have Klaviyo: Email Marketing & SMS installed, representing 14.1% of all active Shopify stores.
At a glance: Klaviyo: Email Marketing & SMS is the #5 most-installed Shopify app of the 8,745 with active installs, and #1 of 85 in Email marketing. It is most often installed alongside Judge.me Product Reviews App and Klaviyo: Product Reviews. Its largest market is United States (35% of its stores).
Klaviyo: Email Marketing & SMS is installed on 299,483 of the 2,126,138 active Shopify stores worldwide tracked by StoreCensus. This makes it one of the dominant apps in the Email marketing category, with a 14.1% market share.
Unlike the Shopify App Store's historical download counts, our data reflects current active installations. We detect Klaviyo: Email Marketing & SMS through storefront signature analysis across millions of stores, providing accurate real-time adoption metrics that matter for market analysis and competitive intelligence.
Over the past 30 days, Klaviyo: Email Marketing & SMS has gained 68,455 net installs, representing a 29.6% change from 231,028 installs. The 90-day trajectory shows growth of 78,955 installs (35.8%).
Year-over-year, Klaviyo: Email Marketing & SMS has grown by 89.8%, moving from 157,785 installs to 299,483. This represents exceptional growth in a competitive market.
Klaviyo: Email Marketing & SMS shows strong adoption among established businesses, with 100% of users operating stores generating over $100K annually. The platform attracts a balanced mix across revenue tiers, though 0% of stores fall under $50K in annual revenue, indicating accessibility for emerging brands. The 25% penetration among $1M+ stores demonstrates enterprise-level trust, where merchants typically maintain complex tech stacks and face high switching costs.
| Revenue Tier | Stores | Percentage |
|---|---|---|
| $10M+ | 420 | 0.2% |
| $1M – $10M | 9,580 | 3.9% |
| $100K – $1M | 52,344 | 21.3% |
| <$100K | 182,986 | 74.6% |
Fashion & Apparel leads adoption at 14%, followed by Home & Garden at 10% and Health & Wellness at 9%. Together, these three verticals represent over half of Klaviyo: Email Marketing & SMS's install base. This concentration reflects industries where email marketing drives significant repeat purchase revenue through seasonal campaigns, product launches, and loyalty programs that benefit from sophisticated segmentation and automation capabilities.
35% of Klaviyo: Email Marketing & SMS stores are in United States, in line with its 35% share of all Shopify stores. 9% of Klaviyo: Email Marketing & SMS stores are in United Kingdom, more than its 8% share of all Shopify stores. 7% of Klaviyo: Email Marketing & SMS stores are in Canada, in line with its 6% share of all Shopify stores.
Stores using Klaviyo: Email Marketing & SMS typically build comprehensive retention-focused tech stacks. 31% also use Judge.me Product Reviews App for product reviews, while 21% pair it with Klaviyo: Product Reviews for product reviews. The 18% overlap with Instafeed ‑ Instagram Feed indicates merchants unifying customer communication across email, SMS, and support channels. This pairing pattern reveals stores prioritizing customer lifetime value optimization over one-time acquisition, with integrated tools for reviews, loyalty, and recurring revenue.
Klaviyo: Email Marketing & SMS leads the Email marketing category with 299,483 installs—more than 2.0x Shopify Forms (148,796) and nearly 2.4x Mailchimp Email SMS Marketing (124,640). This install gap has widened over the past year as growth rate outpaces competitors.
| App | Installs | Market Share |
|---|---|---|
| Shopify Forms | 148,796 | 15.8% |
| Mailchimp Email SMS Marketing | 124,640 | 13.3% |
| Omnisend Email Marketing & SMS | 71,497 | 7.6% |
Install data shows market position by adoption — but organic discoverability is another dimension. See which keywords Klaviyo: Email Marketing & SMS ranks for in App Store search to understand its full competitive footprint.
As of October 9, 2026, 299,483 Shopify stores have Klaviyo: Email Marketing & SMS installed, representing 14.1% of all active Shopify stores tracked by StoreCensus.
Klaviyo: Email Marketing & SMS has gained 68,455 net installs over the past 30 days (29.6% change) and gained 78,955 installs over 90 days (35.8% change). Year-over-year growth is 89.8%.
Klaviyo: Email Marketing & SMS is most popular in Fashion & Apparel (14.5% of users), followed by Home & Garden (10.2%). The app is used across stores of all sizes.
StoreCensus updates Klaviyo: Email Marketing & SMS installation data weekly through continuous monitoring of 2,126,138+ active Shopify stores. We detect installations through storefront signature analysis, providing accurate current install counts rather than historical download numbers.
Klaviyo: Email Marketing & SMS holds a 14.1% market share in its category. To see how it compares to direct competitors, check the Market Position section on this page which shows install counts and market share for similar apps in the same category.
With 299,483 active installations, Klaviyo: Email Marketing & SMS is a widely adopted solution. Consider the 90-day growth trend (35.8%) to understand momentum, and review the industry breakdown to see if stores similar to yours use it. Always test on a development store first and check recent app store reviews for current user sentiment.
299,483 Shopify stores currently use Klaviyo: Email Marketing & SMS. This data is updated weekly based on continuous monitoring of 2,126,138+ active Shopify stores.
Build targeted prospect lists of stores using Klaviyo: Email Marketing & SMS. Filter by revenue, industry, country, and more.
Klaviyo: Email Marketing & SMS is installed on 299,483 of the 2,126,138 Shopify stores tracked by StoreCensus, representing a 14.10% market penetration rate. It is categorized under Email marketing.
Klaviyo: Email Marketing & SMS is installed on 299,483 Shopify stores, representing 14.1% of all tracked stores. This level of adoption indicates strong market presence within the Shopify ecosystem.
Over the past 90 days, Klaviyo: Email Marketing & SMS has gained 78,955 net installs (+35.8%). Positive 90-day momentum indicates continued merchant adoption.
Klaviyo: Email Marketing & SMS is frequently installed alongside Judge.me Product Reviews App and Klaviyo: Product Reviews, suggesting merchants use it as part of a broader technology stack rather than as a standalone solution.
Interpretations are based on observed StoreCensus data. Directional observations only - not financial or business advice.
Based on StoreCensus tracking of 2,126,138 active Shopify stores.
How Klaviyo: Email Marketing & SMS relates to other apps in the Shopify ecosystem, based on co-installation patterns and category relationships.
Apps commonly paired with Klaviyo: Email Marketing & SMS
Apps merchants consider as alternatives
Co-installation data is derived from observed patterns across StoreCensus-tracked stores. Overlap percentages indicate the share of Klaviyo: Email Marketing & SMS users who also have the listed app installed.
Data is refreshed on a weekly basis and reflects observed platform activity across active ecommerce stores. StoreCensus detects app and plugin installations through storefront signature analysis including JavaScript signatures, API calls, and HTML markers — measuring current active installations, not historical download counts.
StoreCensus continuously discovers and indexes active Shopify storefronts globally. Our crawler identifies 2,126,138+ live stores through domain analysis, platform signals, and third-party data sources.
App and plugin installations are detected through storefront signature analysis — including JavaScript bundle signatures, API endpoint patterns, HTML data attributes, and network request fingerprints. This identifies apps that are currently active, not merely historically downloaded.
Each store is re-scanned on a recurring basis. Historical snapshots are retained to calculate 30-day, 90-day, and year-over-year growth rates. This enables trend analysis that reflects actual merchant behavior over time, not just point-in-time counts.
Disclaimer: Estimated metrics (revenue, traffic) should be considered directional estimates rather than audited financial data. Active install counts reflect StoreCensus detection capability and may not capture 100% of installations for apps with non-standard implementation patterns.
This page presents data from the Klaviyo: Email Marketing & SMS Installation Statistics proprietary StoreCensus dataset. Statistics may change over time as stores are discovered, removed, or updated in our index.
StoreCensus does not receive compensation from app developers or vendors for rankings or placement. All rankings are determined solely by observed installation data across tracked Shopify storefronts.
