72,408 Shopify stores currently have Klaviyo: Product Reviews installed, representing 3.4% of all active Shopify stores.
At a glance: Klaviyo: Product Reviews is the #10 most-installed Shopify app of the 4,179 with active installs, and #2 of 122 in Product reviews. It is most often installed alongside Klaviyo: Email Marketing & SMS and Judge.me Product Reviews App. Its largest market is United States (37% of its stores).
Klaviyo: Product Reviews is installed on 72,408 of the 2,120,936 active Shopify stores worldwide tracked by StoreCensus. This makes it a notable player in the Product reviews category, with a 3.4% market share.
Unlike the Shopify App Store's historical download counts, our data reflects current active installations. We detect Klaviyo: Product Reviews 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: Product Reviews has lost 230,832 net installs, representing a -76.1% change from 303,240 installs. The 90-day trajectory shows decline of 217,915 installs (-75.1%).
Year-over-year, Klaviyo: Product Reviews has declined by 67.5%, moving from 222,530 installs to 72,408.
Klaviyo: Product Reviews 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 22% 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+ | 97 | 0.2% |
| $1M – $10M | 1,918 | 3.2% |
| $100K – $1M | 10,968 | 18.3% |
| <$100K | 46,923 | 78.3% |
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: Product Reviews'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.
37% of Klaviyo: Product Reviews stores are in United States, in line with its 35% share of all Shopify stores. 9% of Klaviyo: Product Reviews stores are in United Kingdom, in line with its 8% share of all Shopify stores. 7% of Klaviyo: Product Reviews stores are in Canada, in line with its 6% share of all Shopify stores.
Stores using Klaviyo: Product Reviews typically build comprehensive retention-focused tech stacks. 75% also use Klaviyo: Email Marketing & SMS for email marketing, while 27% pair it with Judge.me Product Reviews App for product reviews. The 16% 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: Product Reviews competes in the Product reviews category with 72,408 installs, compared to Judge.me Product Reviews App's 359,986.
| App | Installs | Market Share |
|---|---|---|
| Judge.me Product Reviews App | 359,986 | 33.7% |
| Klaviyo: Email Marketing & SMS | 266,147 | 24.9% |
| Loox ‑ Product Reviews App | 58,162 | 5.5% |
Install data shows market position by adoption — but organic discoverability is another dimension. See which keywords Klaviyo: Product Reviews ranks for in App Store search to understand its full competitive footprint.
As of October 10, 2026, 72,408 Shopify stores have Klaviyo: Product Reviews installed, representing 3.4% of all active Shopify stores tracked by StoreCensus.
Klaviyo: Product Reviews has lost 230,832 net installs over the past 30 days (-76.1% change) and lost 217,915 installs over 90 days (-75.1% change). Year-over-year growth is -67.5%.
Klaviyo: Product Reviews is most popular in Fashion & Apparel (13.6% of users), followed by Home & Garden (9.9%). The app is used across stores of all sizes.
StoreCensus updates Klaviyo: Product Reviews installation data weekly through continuous monitoring of 2,120,936+ active Shopify stores. We detect installations through storefront signature analysis, providing accurate current install counts rather than historical download numbers.
Klaviyo: Product Reviews holds a 3.4% 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 72,408 active installations, Klaviyo: Product Reviews is a popular solution. Consider the 90-day growth trend (-75.1%) 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.
72,408 Shopify stores currently use Klaviyo: Product Reviews. This data is updated weekly based on continuous monitoring of 2,120,936+ active Shopify stores.
Build targeted prospect lists of stores using Klaviyo: Product Reviews. Filter by revenue, industry, country, and more.
Klaviyo: Product Reviews is installed on 72,408 of the 2,120,936 Shopify stores tracked by StoreCensus, representing a 3.40% market penetration rate. It is categorized under Product reviews.
Klaviyo: Product Reviews is installed on 72,408 Shopify stores, representing 3.4% of all tracked stores. This adoption level reflects meaningful merchant validation across a competitive app marketplace.
Over the past 90 days, Klaviyo: Product Reviews has lost 217,915 net installs (-75.1%). Negative 90-day momentum may reflect competitive pressure or merchant churn within the category.
Klaviyo: Product Reviews is frequently installed alongside Klaviyo: Email Marketing & SMS and Judge.me Product Reviews App, 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 2,120,936 active Shopify stores.
How Klaviyo: Product Reviews relates to other apps in the Shopify ecosystem, based on co-installation patterns and category relationships.
Apps commonly paired with Klaviyo: Product Reviews
Apps merchants consider as alternatives
Co-installation data is derived from observed patterns across StoreCensus-tracked stores. Overlap percentages indicate the share of Klaviyo: Product Reviews 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 2,120,936+ 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: Product Reviews 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.
