Sms Marketing Apps for Shopify — Performance Ranked
2 benchmarked SMS marketing and text message campaigns apps, ranked by real JavaScript overhead measured in StackConflict's clean-room lab.
2 Apps benchmarked
1 Grade A or B
31 ms Avg CPU cost
124 ms Avg mobile CPU
★ 4.6 Avg merchant rating
FASTEST
Attentive SMS Marketing is the lightest SMS marketing and text message campaigns app we've tested — 57.87 KB payload and 30 ms CPU (Grade B).
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 →