Social Proof Apps for Shopify — Performance Ranked
15 benchmarked social proof and FOMO notifications apps, ranked by real JavaScript overhead measured in StackConflict's clean-room lab.
15 Apps benchmarked
13 Grade A or B
16 ms Avg CPU cost
64 ms Avg mobile CPU
★ 4.7 Avg merchant rating
FASTEST
Nudgify is the lightest social proof and FOMO notifications app we've tested — 18.46 KB payload and 4 ms CPU (Grade A).
No apps match your search.
How we measure — Each app is injected into a clean Shopify dev store in a Playwright-controlled browser with no other apps installed. V8 CPU cost is the ScriptDuration delta before and after injection. Mobile estimate applies Google Lighthouse's 4× slowdown factor.
Read the full methodology →