Fastest Shopify pop-up and form apps, ranked on live stores

We ranked 4 pop-up and form apps by the processing time each added to the homepages of real Shopify ecommerce stores. The lightest are at the top.

What counts here: Shows pop-ups, spin wheels or sign-up forms, without sending the email or texts itself.

The most recent check in the index ran on September 26, 2026.

All apps in the index · How we measure these numbers

ShopWeight isn't affiliated with Shopify or with any app maker listed here.

Rank	App	Typical processing time	Stores measured
1	Powerful Contact Form Builder	Light (under 100 ms)	23
2	Shopify Forms	Light (under 100 ms)	30
3	HulkApps Form Builder	Light (under 100 ms)	31
4	Alia	Heavy (300 ms to 1 second)	85

Apps in the same band are close. Their order within a band can change as more stores are checked. The bar under each band shows how the app varied from store to store. Apps found on fewer than 20 stores aren't listed yet. The list grows as more stores are checked.

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