Top Shopify Apps: The 25 Most Installed This Week
Before you pick an app, see what the most stores already run. Ranked by how many Shopify stores we track have each one installed.
Updated October 16, 2026.
Add Koala Inspector free to see the apps and theme of any storeThe most installed Shopify apps
Judge.me Product Reviews App is the most installed Shopify app we track, on 192K stores. Klaviyo: Email Marketing & SMS (188K) and Shopify Inbox (96K) come next.
Cite this list: Koala Inspector's Shopify Leaderboards, "The 25 most installed Shopify apps", data as of October 16, 2026, https://koala-apps.io/shopify-leaderboards/top-apps/#apps. Free to quote and reuse with credit to Koala Inspector, under CC BY 4.0.
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Source: Koala Inspector's Shopify Leaderboards, data as of October 16, 2026.
What are the most popular Shopify apps?
The most installed are Judge.me Product Reviews App (on 192K of the stores we track), Klaviyo: Email Marketing & SMS (188K) and Shopify Inbox (96K).
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