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All A/B Testing, Personalization & Feature Flags

Best A/B Testing, Personalization & Feature Flags for Shopify in 2026

Ranked by use across the 48 scanned Shopify sites with any A/B Testing, Personalization & Feature Flags tool right now.

Amplitude Experiment

21% of sites, paid

Product experimentation and feature flag platform that shares its data with Amplitude Analytics.

Visit Amplitude Experiment ↗

19% of sites, freemium

A/B testing platform, merged with AB Tasty as Wingify in 2026.

Convert Experiences

15% of sites, paid

Bootstrapped A/B testing and personalisation suite whose vendor says it needs no stored personal data to run.

Visit Convert Experiences ↗

1

Amplitude Experiment10 sites (21%), paid

Product experimentation and feature flag platform that shares its data with Amplitude Analytics.

2

VWO9 sites (19%), freemium

A/B testing platform, merged with AB Tasty as Wingify in 2026.

3

Convert Experiences7 sites (15%), paid

Bootstrapped A/B testing and personalisation suite whose vendor says it needs no stored personal data to run.

4

Statsig6 sites (13%), freemium

Release testing and analytics platform within the Amplitude family.

5

Google Optimize4 sites (8%), free

Discontinued A/B testing tool from Google whose snippet still turns up on sites that never removed it.

6A

AB Tasty3 sites (6%), paid

7

GrowthBook2 sites (4%), open-source

Open-core, warehouse-native experimentation and feature flag platform.

8

LaunchDarkly2 sites (4%), paid

Runtime feature flag and experimentation platform, with separate SDKs for client, server and edge code.

9

SiteSpect2 sites (4%), paid

10A

Adobe Target1 site (2%), paid

Adobe's A/B testing and personalisation platform, licensed as Target Standard or with a Premium tier on top.

11D

Dynamic Yield1 site (2%), paid

Mastercard's personalisation and A/B testing platform, implemented through a product called Experience OS.

12

Kameleoon1 site (2%), paid

Prompt-based experimentation platform in which an AI agent, PBX, drafts test variants for any website.

13

Omniconvert1 site (2%), paid

Conversion testing and NPS tools for online stores, with an AI growth engine for Shopify brands.

14

Optimizely1 site (2%), paid

Experimentation platform split into a visual web-testing product and a server-side feature-flag product.

15

PostHog Feature Flags & Experiments1 site (2%), freemium

Feature flag and experimentation tool built into PostHog, where A/B tests run on the same flags that gate releases.

16

Unbounce1 site (2%), paid

Page builder for landing pages and popups, with AI traffic routing as an alternative to manual A/B tests.

17

Webflow Optimize (Intellimize)1 site (2%), paid

Website personalization and A/B testing platform that Webflow acquired, usable on Webflow and non-Webflow sites.