← All apps Chat AeroChat vs Sierra
🔬 Lab Findings 🔧 Stack Builder
⚡ Faster
A
AeroChat
11.93 KB · 4 ms CPU
★ 5 · 1 reviews
Lightweight
VS
⏳ Pending
?
Sierra
Data pending
Under Review
Metric AeroChat Sierra
Overall Grade A B
JS Payload 11.93 KB 122.49 KB
CPU Desktop 4 ms Pending ⏳
CPU Mobile 24 ms Pending ⏳
Layout Shift 0 0.0006
Merchant Rating ★ 5 (1)

AeroChat vs Sierra: Shopify Performance Comparison

Data pending for Sierra — our scanner captured only the async loader stub for this app. Full bundle metrics are being collected from live Shopify storefronts. Once available, this page will show a complete head-to-head comparison.

Both AeroChat and Sierra provide live chat and customer support functionality for Shopify stores.

What We Know: AeroChat (Benchmarked)

AeroChat has been measured in StackConflict’s clean-room lab:

MetricAeroChat
Overall GradeA
JS Payload11.93 KB
CPU Desktop4 ms
CPU Mobile24 ms (0.0s)
Layout Shift0.0

Grade A means AeroChat passes every StackConflict threshold — safe to install on any storefront including mobile-first stores.

View full AeroChat speed report →

Pending: Sierra

StackConflict’s scanner detected that Sierra uses an async JavaScript loader — a small stub that only initialises its full bundle on a real, authenticated Shopify storefront. This means our lab environment captured the tiny stub file only, not the production bundle that actually runs on live stores.

We are collecting real bundle data by scanning public Shopify storefronts. Once captured, the head-to-head metrics for Sierra will appear here automatically.

View Sierra on Shopify App Store →

About This Test

StackConflict measures each Shopify app in an isolated clean-room environment — a Playwright-controlled browser with no other scripts installed. V8 CPU cost is the ScriptDuration delta measured before and after bundle injection. Mobile CPU applies the standard 4× Lighthouse slowdown factor.


AeroChat data from the StackConflict Lab (2026-05-30). Sierra data pending.