2 Shopify stores currently have Monster Checkout Upsell installed, representing 0.0% of all active Shopify stores.
At a glance: Monster Checkout Upsell is the #3,607 most-installed Shopify app of the 4,191 with active installs, and #124 of 151 in Upsell and cross-sell. It is most often installed alongside Klaviyo: Email Marketing & SMS and Monster Cart Upsell+ Free Gift. Its largest market is United States (100% of its stores).
Monster Checkout Upsell is installed on 2 of the 2,139,782 active Shopify stores worldwide tracked by StoreCensus. This makes it a notable player in the Upsell and cross-sell category.
Unlike the Shopify App Store's historical download counts, our data reflects current active installations. We detect Monster Checkout Upsell 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, Monster Checkout Upsell has lost 4 net installs, representing a -66.7% change from 6 installs. The 90-day trajectory shows decline of 12 installs (-85.7%).
Year-over-year, Monster Checkout Upsell has declined by 99.9%, moving from 2,479 installs to 2.
Sports & Outdoors leads adoption at 50%%%. 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.
100% of Monster Checkout Upsell stores are in United States, more than its 34% share of all Shopify stores.
Stores using Monster Checkout Upsell typically build comprehensive retention-focused tech stacks. 100% also use Klaviyo: Email Marketing & SMS for email marketing, while 100% pair it with Monster Cart Upsell+ Free Gift for discounts. The 100% overlap with Klaviyo: Product Reviews 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.
Monster Checkout Upsell competes in the Upsell and cross-sell category with 2 installs, compared to PageFly ✦ AI Page Builder's 64,055.
| App | Installs | Market Share |
|---|---|---|
| PageFly ✦ AI Page Builder | 64,055 | 11.5% |
| Kaching Bundles App & Upsells | 38,157 | 6.8% |
| Bundler » Product Bundles App | 32,233 | 5.8% |
Install data shows market position by adoption — but organic discoverability is another dimension. See which keywords Monster Checkout Upsell ranks for in App Store search to understand its full competitive footprint.
As of October 28, 2026, 2 Shopify stores have Monster Checkout Upsell installed, representing 0.0% of all active Shopify stores tracked by StoreCensus.
Monster Checkout Upsell has lost 4 net installs over the past 30 days (-66.7% change) and lost 12 installs over 90 days (-85.7% change). Year-over-year growth is -99.9%.
Monster Checkout Upsell is most popular in Sports & Outdoors (50.0% of users), followed by other sectors (0%). The app is used across stores of all sizes.
StoreCensus updates Monster Checkout Upsell installation data weekly through continuous monitoring of 2,139,782+ active Shopify stores. We detect installations through storefront signature analysis, providing accurate current install counts rather than historical download numbers.
Monster Checkout Upsell holds a 0.0% 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 2 active installations, Monster Checkout Upsell is a growing solution. Consider the 90-day growth trend (-85.7%) 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.
2 Shopify stores currently use Monster Checkout Upsell. This data is updated weekly based on continuous monitoring of 2,139,782+ active Shopify stores.
Build targeted prospect lists of stores using Monster Checkout Upsell. Filter by revenue, industry, country, and more.
Monster Checkout Upsell is installed on 2 of the 2,139,782 Shopify stores tracked by StoreCensus, representing a 0.00% market penetration rate. It is categorized under Upsell and cross-sell.
Monster Checkout Upsell is installed on 2 Shopify stores, representing 0.0% of all tracked stores. This adoption level reflects a focused user base within a specific merchant segment.
Over the past 90 days, Monster Checkout Upsell has lost 12 net installs (-85.7%). Negative 90-day momentum may reflect competitive pressure or merchant churn within the category.
Monster Checkout Upsell is frequently installed alongside Klaviyo: Email Marketing & SMS and Monster Cart Upsell+ Free Gift, 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 2,139,782 active Shopify stores.
How Monster Checkout Upsell relates to other apps in the Shopify ecosystem, based on co-installation patterns and category relationships.
Apps commonly paired with Monster Checkout Upsell
Apps merchants consider as alternatives
Co-installation data is derived from observed patterns across StoreCensus-tracked stores. Overlap percentages indicate the share of Monster Checkout Upsell 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 2,139,782+ 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 Monster Checkout Upsell 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.
