Buy with Prime vs Easy Shipping Restrictions: Shopify Performance Comparison
Both apps score Grade C — Buy with Prime has the edge with 19 ms vs 29 ms desktop CPU execution.
Both apps provide general Shopify store enhancement functionality for Shopify stores. This page presents StackConflict’s independent lab results for both — measured in a clean-room environment with no other apps installed.
Head-to-Head Metrics
| Metric | Buy with Prime | Easy Shipping Restrictions | Faster |
|---|---|---|---|
| Overall Grade | C | C | Tie |
| JS Payload | 184.43 KB | 230.28 KB | Buy with Prime |
| CPU Desktop | 19 ms | 29 ms | Buy with Prime |
| CPU Mobile | 121 ms | 95 ms | Easy Shipping Restrictions |
| Layout Shift | 0.0006 | 0.0006 | Buy with Prime |
Mobile CPU measured with 4× CDP throttle (mid-range Android). Tested 2026-05-30.
Buy with Prime — The Faster Option (Grade C)
Buy with Prime scores Grade C with a JS payload of 184.43 KB and 19 ms desktop CPU execution. Mobile CPU: 121 ms. Even as the faster of the two options, merchants on mobile-heavy stores should weigh its impact on their combined app stack.
View full Buy with Prime speed report →
Easy Shipping Restrictions — The Heavier Option (Grade C)
Easy Shipping Restrictions scores Grade C with a JS payload of 230.28 KB and 29 ms desktop CPU execution. Mobile CPU: 95 ms. This places it in the heavier half of StackConflict’s benchmark dataset — merchants running mobile-first stores should evaluate whether the feature value justifies the performance tradeoff.
View full Easy Shipping Restrictions speed report →
When to Choose Buy with Prime
- Its unique feature set has no lighter equivalent in StackConflict’s database
- Your store traffic is predominantly desktop
- You have already removed or lightened other heavy scripts to compensate
When to Choose Easy Shipping Restrictions
- Its unique feature set has no lighter equivalent in StackConflict’s database
- Your store traffic is predominantly desktop
- You have already removed or lightened other heavy scripts to compensate
Performance Verdict
Result: Comparable — Both apps score Grade C — Buy with Prime has the edge with 19 ms vs 29 ms desktop CPU execution.
Both apps carry Grade C — see StackConflict’s full General rankings for lighter alternatives.
About This Test
StackConflict measures each Shopify app in an isolated clean-room environment — a single development store, no other scripts, Playwright-controlled browser. V8 CPU cost is the ScriptDuration delta before and after injection. CLS is captured from the same browser session. Results represent the median of three independent runs with outliers removed.
Data from the StackConflict Lab. Last updated 2026-05-30.