# Top Free A/B Testing Tools

## How Many A/B Testing Tools Products Does G2 Track?

**Total Products under this Category:** 126

### Category Stats (Jul 2026)

- **Average Rating:** 4.5/5 (↑0.01 vs Jun 2026) The average rating of products in this category, based on all submitted ratings
- **Top Trending Product:** Personyze (+0.87%) - Among all products in this category, Personyze recorded the largest rating increase compared to last month

_Last updated: July 26, 2026_

## How Does G2 Rank A/B Testing Tools Products?

**Why You Can Trust G2's Software Rankings:**

- 30 Analysts and Data Experts
- 19,300+ Authentic Reviews
- 126+ Products
- Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

[
VWO Testing
](https://www.g2.com/products/wingify-vwo-testing/reviews)

By [VWO AB Tasty](https://www.g2.com/sellers/vwo-ab-tasty)

[

4.4/5(929)

](https://www.g2.com/products/wingify-vwo-testing/reviews)

What do users say?

Users consistently praise the intuitive interface and ease of use of VWO Testing, which allows for quick setup and management of A/B tests without requiring extensive technical skills. The platform's

Pros and Cons

[
Ease of Use (180)
](https://www.g2.com/products/wingify-vwo-testing/reviews?qs=pros-and-cons)[
Limited Features (50)
](https://www.g2.com/products/wingify-vwo-testing/reviews?qs=pros-and-cons)

[
LaunchDarkly
](https://www.g2.com/products/launchdarkly/reviews)

By [LaunchDarkly](https://www.g2.com/sellers/launchdarkly)

[

4.5/5(785)

](https://www.g2.com/products/launchdarkly/reviews)

What do users say?

Users consistently praise the intuitive UI and ease of use of LaunchDarkly, which allows teams to manage feature flags and rollouts efficiently without needing extensive technical knowledge. The platf

Pros and Cons

[
Ease of Use (211)
](https://www.g2.com/products/launchdarkly/reviews?qs=pros-and-cons)[
Feature Flags Issues (62)
](https://www.g2.com/products/launchdarkly/reviews?qs=pros-and-cons)

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

[
Confidence by Spotify
](https://www.g2.com/products/confidence-by-spotify/reviews)

By [Spotify](https://www.g2.com/sellers/spotify)

[

4.6/5(53)

](https://www.g2.com/products/confidence-by-spotify/reviews)

What do users say?

Users consistently praise the intuitive UI and responsive support of Confidence by Spotify, highlighting how easy it is to set up and manage A/B tests. The platform's ability to streamline experimenta

[
Omniconvert
](https://www.g2.com/products/omniconvert/reviews)

By [Omniconvert](https://www.g2.com/sellers/omniconvert)

[

4.6/5(185)

](https://www.g2.com/products/omniconvert/reviews)

What do users say?

Users consistently praise the exceptional support provided by Omniconvert, highlighting the team's responsiveness and helpfulness in resolving issues. The platform is noted for its ease of use and int

Pros and Cons

[
Customer Support (32)
](https://www.g2.com/products/omniconvert/reviews?qs=pros-and-cons)[
Learning Curve (10)
](https://www.g2.com/products/omniconvert/reviews?qs=pros-and-cons)

[
EngageBay
](https://www.g2.com/products/engagebay/reviews)

By [EngageBay Inc](https://www.g2.com/sellers/engagebay-inc)

[

4.6/5(707)

](https://www.g2.com/products/engagebay/reviews)

What do users say?

Users consistently praise the ease of use and automation features of EngageBay, which help streamline contact management and follow-ups. Many appreciate having all tools integrated in one platform, al

Pros and Cons

[
Ease of Use (244)
](https://www.g2.com/products/engagebay/reviews?qs=pros-and-cons)[
Missing Features (108)
](https://www.g2.com/products/engagebay/reviews?qs=pros-and-cons)

[
PostHog
](https://www.g2.com/products/posthog/reviews)

By [PostHog](https://www.g2.com/sellers/posthog)

[

4.5/5(1,052)

](https://www.g2.com/products/posthog/reviews)

What do users say?

Users consistently praise PostHog for its ease of use and comprehensive features, which allow for effective product analytics and user insights. The platform's generous free tier and seamless integrat

Pros and Cons

[
Ease of Use (187)
](https://www.g2.com/products/posthog/reviews?qs=pros-and-cons)[
Learning Curve (106)
](https://www.g2.com/products/posthog/reviews?qs=pros-and-cons)

[
Moosend
](https://www.g2.com/products/moosend/reviews)

By [Constant Contact](https://www.g2.com/sellers/constant-contact-5aaee82b-8325-4eeb-b7b7-15fada778076)

[

4.6/5(744)

](https://www.g2.com/products/moosend/reviews)

What do users say?

Users consistently praise Moosend for its ease of use and powerful automation features, which simplify the process of creating and managing email campaigns. The intuitive interface and drag-and-drop f

Pros and Cons

[
Ease of Use (24)
](https://www.g2.com/products/moosend/reviews?qs=pros-and-cons)[
Limited Templates (5)
](https://www.g2.com/products/moosend/reviews?qs=pros-and-cons)

[
Varify.io®
](https://www.g2.com/products/varify-io/reviews)

By [Varify](https://www.g2.com/sellers/varify)

[

4.9/5(55)

](https://www.g2.com/products/varify-io/reviews)

What do users say?

Users consistently praise the ease of use and responsive support of Varify.io®, highlighting its intuitive interface that allows for quick A/B test setups without technical expertise. The seamless int

Pros and Cons

[
Affordable (2)
](https://www.g2.com/products/varify-io/reviews?qs=pros-and-cons)[
Confusion (1)
](https://www.g2.com/products/varify-io/reviews?qs=pros-and-cons)

[
Webtrends Optimize
](https://www.g2.com/products/webtrends-optimize/reviews)

By [Webtrends Optimize](https://www.g2.com/sellers/webtrends-optimize)

[

4.8/5(227)

](https://www.g2.com/products/webtrends-optimize/reviews)

What do users say?

Users consistently praise the intuitive interface and responsive customer support of Webtrends Optimize, highlighting how these features facilitate easy A/B testing and experimentation. Many appreciat

Pros and Cons

[
Ease of Use (25)
](https://www.g2.com/products/webtrends-optimize/reviews?qs=pros-and-cons)[
Learning Curve (8)
](https://www.g2.com/products/webtrends-optimize/reviews?qs=pros-and-cons)

[
FlexiFunnels
](https://www.g2.com/products/flexifunnels/reviews)

By [FlexiFunnels](https://www.g2.com/sellers/flexifunnels-a102974b-f413-4797-afbe-e49ebf9a4c38)

[

4.7/5(236)

](https://www.g2.com/products/flexifunnels/reviews)

What do users say?

Users consistently praise the ease of use and excellent support provided by FlexiFunnels, highlighting how the intuitive drag-and-drop interface simplifies funnel and website creation. Many appreciate

Pros and Cons

[
Ease of Use (122)
](https://www.g2.com/products/flexifunnels/reviews?qs=pros-and-cons)[
Learning Curve (19)
](https://www.g2.com/products/flexifunnels/reviews?qs=pros-and-cons)

[
Harness Platform
](https://www.g2.com/products/harness-platform/reviews)

By [Harness](https://www.g2.com/sellers/harness-25016f40-e80f-4417-bea8-39412055d17a)

[

4.6/5(305)

](https://www.g2.com/products/harness-platform/reviews)

What do users say?

Users consistently highlight ease of use and fast, straightforward setup, noting that both developers and non-technical team members can create and manage feature flags or experiments with minimal eff

Pros and Cons

[
Ease of Use (114)
](https://www.g2.com/products/harness-platform/reviews?qs=pros-and-cons)[
Missing Features (23)
](https://www.g2.com/products/harness-platform/reviews?qs=pros-and-cons)

[
Croct
](https://www.g2.com/products/croct/reviews)

By [Croct](https://www.g2.com/sellers/croct)

[

4.7/5(48)

](https://www.g2.com/products/croct/reviews)

What do users say?

Users consistently praise the exceptional support provided by the Croct team, highlighting their responsiveness and proactive assistance throughout the integration process. Many appreciate the ease of

Pros and Cons

[
Customer Support (23)
](https://www.g2.com/products/croct/reviews?qs=pros-and-cons)[
Learning Curve (6)
](https://www.g2.com/products/croct/reviews?qs=pros-and-cons)

[
Nvecta
](https://www.g2.com/products/nvecta/reviews)

By [Nvecta](https://www.g2.com/sellers/nvecta)

[

4.8/5(339)

](https://www.g2.com/products/nvecta/reviews)

What do users say?

Users consistently praise the ease of use and automation capabilities of NotifyVisitors, highlighting how it simplifies the creation of personalized marketing campaigns across multiple channels. The i

Pros and Cons

[
Helpful (128)
](https://www.g2.com/products/nvecta/reviews?qs=pros-and-cons)[
Learning Curve (50)
](https://www.g2.com/products/nvecta/reviews?qs=pros-and-cons)

[
Evolv AI
](https://www.g2.com/products/evolv-ai/reviews)

By [Evolv AI](https://www.g2.com/sellers/evolv-ai)

[

4.9/5(15)

](https://www.g2.com/products/evolv-ai/reviews)

What do users say?

Users consistently praise the product for its ease of use and excellent support, highlighting how it simplifies A/B testing and optimizes user experiences effectively. Many appreciate the seamless int

[
Convert
](https://www.g2.com/products/convert-experiences/reviews)

By [Convert.com](https://www.g2.com/sellers/convert-com)

[

4.6/5(98)

](https://www.g2.com/products/convert-experiences/reviews)

What do users say?

Users consistently praise the product for its ease of use and responsive customer support, which help streamline the A/B testing process. Many appreciate the platform's flexibility and comprehensive f

Pros and Cons

[
Ease of Use (10)
](https://www.g2.com/products/convert-experiences/reviews?qs=pros-and-cons)[
Lack of API Integration (2)
](https://www.g2.com/products/convert-experiences/reviews?qs=pros-and-cons)

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

- &lsaquo; Prev‹ Prev
- 1
- [2](/categories/a-b-testing-tools/free?order=g2_score&page=2#product-list)
- [3](/categories/a-b-testing-tools/free?order=g2_score&page=3#product-list)
- [4](/categories/a-b-testing-tools/free?order=g2_score&page=4#product-list)
- [Next &rsaquo;Next ›](/categories/a-b-testing-tools/free?order=g2_score&page=2#product-list)

Spotlight Categories

[Voice Recognition Software](https://www.g2.com/categories/voice-recognition)

[Digital Signage Software](https://www.g2.com/categories/digital-signage)

[Demo Automation Software](https://www.g2.com/categories/demo-automation)

[Experience Management Software](https://www.g2.com/categories/experience-management)

[Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service)

Similar Categories

- [Customer Journey Mapping](/categories/customer-journey-mapping)
- [Heatmap Tools](/categories/heatmap-tools)

- [Landing Page Builders](/categories/landing-page-builders)
- [Other Conversion Rate Optimization](/categories/other-conversion-rate-optimization)

- [Product Analytics](/categories/product-analytics)
- [Session Replay](/categories/session-replay)

[Browse A/B Testing Themes](/categories/a-b-testing-tools/themes)