Best Social Proof Apps for Shopify — Ranked by Speed
15 social proof and FOMO notifications apps ranked by JavaScript payload, CPU time, and mobile impact — independent benchmarks, no affiliate rankings.
15 Apps benchmarked
12 Grade A or B
91 ms Avg CPU cost
367 ms Avg mobile CPU
★ 4.6 Avg merchant rating
FASTEST
Curalate is the lightest social proof and FOMO notifications app we've tested — 146.7 KB payload (Grade B).
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How we measure — Each app is profiled on real live Shopify merchant stores using a Playwright-controlled browser with 4× CPU throttle and mobile viewport — matching Google Lighthouse's mid-range Android benchmark. V8 CPU cost is the ScriptDuration delta captured via Chrome DevTools Protocol. Results are the median across multiple stores.
Read the full methodology →