Decify vs ReConvert Quiz: Shopify Performance Comparison
Both apps score Grade B — ReConvert Quiz has the edge with 4 ms vs 11 ms desktop CPU execution.
Both apps provide forms, quizzes, and surveys 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 | Decify | ReConvert Quiz | Faster |
|---|---|---|---|
| Overall Grade | B | B | Tie |
| JS Payload | 140.41 KB | 67.49 KB | ReConvert Quiz |
| CPU Desktop | 11 ms | 4 ms | ReConvert Quiz |
| CPU Mobile | 31 ms | 6 ms | ReConvert Quiz |
| Layout Shift | 0.0 | 0.0006 | Decify |
Mobile CPU measured with 4× CDP throttle (mid-range Android). Tested 2026-05-30.
ReConvert Quiz — The Faster Option (Grade B)
ReConvert Quiz scores Grade B with a JS payload of 67.49 KB and 4 ms desktop CPU execution. Mobile CPU: 6 ms. It passes every StackConflict threshold for payload, CPU, and layout stability — making it safe to install on any storefront including mobile-first stores where Time-to-Interactive directly impacts conversion.
View full ReConvert Quiz speed report →
Decify — The Heavier Option (Grade B)
Decify scores Grade B with a JS payload of 140.41 KB and 11 ms desktop CPU execution. Mobile CPU: 31 ms. Performance is acceptable but worth monitoring, particularly on stores with high mobile traffic share.
View full Decify speed report →
When to Choose Decify
- You need its specific features and can monitor its mobile impact
- Your other apps are lightweight (Grade A) so there is headroom
- You are on desktop-skewed traffic where CPU cost matters less
When to Choose ReConvert Quiz
- You need its specific features and can monitor its mobile impact
- Your other apps are lightweight (Grade A) so there is headroom
- You are on desktop-skewed traffic where CPU cost matters less
Performance Verdict
Result: Comparable — Both apps score Grade B — ReConvert Quiz has the edge with 4 ms vs 11 ms desktop CPU execution.
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.