220 Shopify stores currently have Instant Checkout ‑ Buy button installed, representing 0.0% of all active Shopify stores.
At a glance: Instant Checkout ‑ Buy button is the #1,515 most-installed Shopify app of the 4,178 with active installs, and #54 of 147 in Cart customization. It is most often installed alongside Klaviyo: Email Marketing & SMS and Judge.me Product Reviews App. Its largest market is United States (36% of its stores).
Instant Checkout ‑ Buy button is installed on 220 of the 2,122,143 active Shopify stores worldwide tracked by StoreCensus. This makes it a notable player in the Cart customization category.
Unlike the Shopify App Store's historical download counts, our data reflects current active installations. We detect Instant Checkout ‑ Buy button 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, Instant Checkout ‑ Buy button has gained 6 net installs, representing a 2.8% change from 214 installs. The 90-day trajectory shows growth of 6 installs (2.8%).
Year-over-year, Instant Checkout ‑ Buy button has declined by 13.7%, moving from 255 installs to 220.
Instant Checkout ‑ Buy button 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 14% penetration among $1M+ stores demonstrates enterprise-level trust, where merchants typically maintain complex tech stacks and face high switching costs.
| Revenue Tier | Stores | Percentage |
|---|---|---|
| $1M – $10M | 1 | 0.6% |
| $100K – $1M | 23 | 13.4% |
| <$100K | 148 | 86.0% |
Fashion & Apparel leads adoption at 22%, followed by Health & Wellness at 7% and Beauty & Personal Care at 6%. Together, these three verticals represent over half of Instant Checkout ‑ Buy button'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.
36% of Instant Checkout ‑ Buy button stores are in United States, in line with its 35% share of all Shopify stores. 17% of Instant Checkout ‑ Buy button stores are in Italy, more than its 2% share of all Shopify stores. 7% of Instant Checkout ‑ Buy button stores are in United Kingdom, in line with its 8% share of all Shopify stores.
Stores using Instant Checkout ‑ Buy button typically build comprehensive retention-focused tech stacks. 25% also use Klaviyo: Email Marketing & SMS for email marketing, while 24% pair it with Judge.me Product Reviews App for product reviews. The 14% overlap with Shopify Inbox 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.
Instant Checkout ‑ Buy button competes in the Cart customization category with 220 installs, compared to Sticky Add To Cart Bar Pro's 194,802.
| App | Installs | Market Share |
|---|---|---|
| Sticky Add To Cart Bar Pro | 194,802 | 44.0% |
| Quik ‑ Quick / Bulk Order Page | 68,166 | 15.4% |
| Essential Upsell & Cross Sell | 16,743 | 3.8% |
Install data shows market position by adoption — but organic discoverability is another dimension. See which keywords Instant Checkout ‑ Buy button ranks for in App Store search to understand its full competitive footprint.
As of October 12, 2026, 220 Shopify stores have Instant Checkout ‑ Buy button installed, representing 0.0% of all active Shopify stores tracked by StoreCensus.
Instant Checkout ‑ Buy button has gained 6 net installs over the past 30 days (2.8% change) and gained 6 installs over 90 days (2.8% change). Year-over-year growth is -13.7%.
Instant Checkout ‑ Buy button is most popular in Fashion & Apparel (22.3% of users), followed by Health & Wellness (7.4%). The app is used across stores of all sizes.
StoreCensus updates Instant Checkout ‑ Buy button installation data weekly through continuous monitoring of 2,122,143+ active Shopify stores. We detect installations through storefront signature analysis, providing accurate current install counts rather than historical download numbers.
Instant Checkout ‑ Buy button 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 220 active installations, Instant Checkout ‑ Buy button is a growing solution. Consider the 90-day growth trend (2.8%) 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.
220 Shopify stores currently use Instant Checkout ‑ Buy button. This data is updated weekly based on continuous monitoring of 2,122,143+ active Shopify stores.
Build targeted prospect lists of stores using Instant Checkout ‑ Buy button. Filter by revenue, industry, country, and more.
Instant Checkout ‑ Buy button is installed on 220 of the 2,122,143 Shopify stores tracked by StoreCensus, representing a 0.00% market penetration rate. It is categorized under Cart customization.
Instant Checkout ‑ Buy button is installed on 220 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, Instant Checkout ‑ Buy button has gained 6 net installs (+2.8%). Positive 90-day momentum indicates continued merchant adoption.
Instant Checkout ‑ Buy button 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 2,122,143 active Shopify stores.
How Instant Checkout ‑ Buy button relates to other apps in the Shopify ecosystem, based on co-installation patterns and category relationships.
Apps commonly paired with Instant Checkout ‑ Buy button
Apps merchants consider as alternatives
Co-installation data is derived from observed patterns across StoreCensus-tracked stores. Overlap percentages indicate the share of Instant Checkout ‑ Buy button 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 2,122,143+ 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 Instant Checkout ‑ Buy button 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.