Fastest Shopify A/B testing apps, ranked on live stores

We ranked 3 A/B testing 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 different versions of pages, prices or offers to compare results.

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	Visually	Moderate (100 to 300 ms)	37
2	Convert	Moderate (100 to 300 ms)	31
3	Intelligems	Moderate (100 to 300 ms)	89

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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