PostHog vs VWO Testing

by Gralio Jan 31, 2025

PostHog and VWO Testing both offer A/B testing and user behavior analysis. PostHog excels with its open-source nature and generous free tier, while VWO Testing stands out with its user-friendly interface and robust customer support. PostHog is suitable for developers and product teams, while VWO Testing caters to a broader audience including non-technical users.

At Gralio.ai we help to simplify your decision-making process by offering detailed, side-by-side software comparisons like this one, to help you confidently choose the tool that aligns with your business goals.

This comparison was created by analysing 1189 reviews and 60 websites, saving 7 hours, 6 minutes of reading.

PostHog

Website LinkedIn Twitter

VWO Testing

Website LinkedIn Twitter

About

PostHog is an all-in-one product development platform. It helps you understand user behavior, run A/B tests, and manage features. With tools like session recording and product analytics, PostHog helps you build better products. It's open-source, scalable for any size team, and offers a generous free tier.

VWO Testing is a comprehensive platform that helps businesses improve their websites and mobile apps through testing and personalization. It offers A/B testing, user behavior analysis tools (like heatmaps and session recordings), and personalization features. VWO is designed to be user-friendly, even for non-technical teams, and it integrates with various data sources. Trusted by major brands, VWO promises to help you optimize your digital experiences to increase conversions and deliver what your customers want.

Summary

Main difference

PostHog is a better choice for businesses that value open-source software and require a comprehensive product analytics suite. VWO Testing is preferred by those seeking a user-friendly A/B testing platform with robust customer support and enterprise-grade features.

Relative strengths of PostHog (compared to VWO Testing)

Open-source platform with self-hosting options and customization capabilities.
Generous free tier, making it cost-effective for smaller businesses or initial projects.
Comprehensive product analytics suite, including session recording and user behavior tracking.

Relative weaknesses of PostHog (compared to VWO Testing)

Limited customer support compared to VWO Testing.
Documentation can be inconsistent and challenging to navigate.
Self-hosted version may lack certain features available in the cloud version.

What companies are using PostHog and VWO Testing?

No data

Who should use PostHog VS. VWO Testing

PostHog is an open-source product development platform ideal for software developers and product teams seeking user behavior analysis, A/B testing, and feature management tools. Easy setup and session recording are praised, while some users note documentation inconsistencies and performance impacts. The generous free tier makes it accessible.

VWO Testing helps businesses optimize their digital experiences through A/B testing, personalization, and user behavior analysis. Its intuitive interface and detailed reporting are praised by users, while some find certain features complex. VWO is best for small to medium businesses seeking to improve website conversions and personalize user experiences.

Best for small to medium-sized businesses.
Suitable for software development and product teams.

Best fit for small to medium-sized businesses.
Ideal for E-commerce, Retail, Consumer Goods, Education, Real Estate, Hospitality, Media & Entertainment, Software/IT, Legal, Non-profit, Marketing, and Professional Services.

PostHog and VWO Testing features

Supported

Partially supported

Not supported

Type in the name of the feature or in your own words tell us what you need

Integrations

Supported

PostHog integrates with various tools via Zapier, Pipedream, n8n, and its CDP.

Supported

VWO Testing integrates with over 40 platforms, enabling seamless data exchange.
Multivariate testing

Supported

PostHog supports multivariate testing as part of its experimentation suite.

Supported

VWO supports multivariate testing, allowing simultaneous testing of multiple page elements.
A/B testing

Supported

PostHog supports A/B and A/B/n testing for webpages and apps.

Supported

VWO Testing supports A/B testing for web pages and apps.
Session recordings

Supported

PostHog offers session recordings to replay user interactions.

Supported

VWO Testing supports session recording and analysis.
Funnel analysis

Supported

PostHog supports funnel analysis, allowing tracking of user progress and identification of drop-off points.

Supported

VWO tracks user progress through a series of steps called funnels and identifies drop-off points.

Qualities

Value and Pricing Transparency

+0.67

Rather positive sentiment

-0.38

Rather negative sentiment
Customer Service

+0.5

Rather positive sentiment

+0.89

Strongly positive sentiment
Ease of Use

+0.77

Strongly positive sentiment

+0.86

Strongly positive sentiment
Reliability and Performance

+0.34

Rather positive sentiment

+0.12

Neutral sentiment
Ease of Implementation

+0.84

Strongly positive sentiment

+0.32

Rather positive sentiment
Scalability

-0.14

Neutral sentiment

+1

Strongly positive sentiment

PostHog and VWO Testing Pricing

PostHog offers usage-based pricing with a generous free tier that includes a monthly quota for each product. Users only pay for usage that exceeds the free tier limits. The platform offers various add-ons, including Teams, Person profiles, Group Analytics, and Data Pipelines. Discounts are available for startups and non-profits.

Plans

User sentiment

Rather positive

+0.67

See full Pricing page

VWO Testing offers tiered subscription plans based on Monthly Tracked Users (MTUs). It offers a free trial for all paid plans. Detailed pricing is available upon contacting sales.

Plans

User sentiment

Rather negative

-0.38

See full Pricing page

PostHog and VWO Testing review insights

1189 reviews analysed from

Users love

Easy to set up and integrate with websites.
Excellent session recording for understanding user behavior.
The generous free tier makes it accessible for various projects.
Open-source nature allows for self-hosting and customization.

Intuitive interface and detailed reporting.
Simple to implement with other systems.
Exceptional customer support.
User-friendly testing tool.
The Split URL testing feature is very useful.

Users dislike

The self-hosted version lacks some features, like multi-domain monitoring.
Documentation can have duplicate or outdated information.
Community support could be more responsive.
Large JS bundle size impacts website performance.

Some complexity around setting up click tracking at times.
Limited integration with Google Analytics.
The tool sometimes announces a winning variant after just 7 days of testing, although the validity of the data is still limited.
Most tests take more time to prepare than initially thought and you won’t get very far without developer skills.
Analyzing the screentshots for previous experiments do not work well.

PostHog and VWO Testing Ratings

G2

4.4/5

(525)
Glassdoor

5.0/5

(5)

G2

4.3/5

(700)
Glassdoor

4.0/5

(210)

Company health

Employee growth

45% increase in the last year

28% increase in the last year

Web traffic

31% increase in the last quarter

14% decrease in the last quarter

Financing

March 2021 - $27M

No data

How easily does each product integrate with existing analytics tools?

PostHog, being open-source, allows for flexible integration with various analytics tools through its API and data export capabilities. Users can connect PostHog with their existing data pipelines and custom analytics solutions. VWO Testing also offers integrations with various tools, facilitating data exchange with existing analytics setups. While it doesn't provide the same level of open-ended integration as PostHog, its pre-built integrations cover a wider range of popular analytics platforms.

Which product offers better support for mobile app A/B testing?

Both PostHog and VWO Testing offer mobile A/B testing capabilities. However, VWO Testing is generally considered better for this purpose due to its more mature feature set and broader adoption among enterprise clients with mobile apps. While PostHog is a strong all-in-one platform, VWO's specialization in testing and optimization gives it an edge for complex mobile A/B testing scenarios.

What are the advantages of PostHog?

PostHog's advantages include its open-source nature, allowing for self-hosting, customization, and a generous free tier. This makes it more accessible and potentially cost-effective, especially for smaller teams or projects with limited budgets. PostHog also excels in session recording capabilities for in-depth user behavior analysis.

What are the disadvantages of PostHog?

PostHog's self-hosted version has feature limitations, notably lacking multi-domain monitoring. The documentation can be inconsistent with outdated or duplicated information, making it difficult to navigate. Community support responsiveness is lacking, potentially leaving users without timely assistance. Finally, a large JS bundle size can negatively impact website performance.

Is PostHog cheaper than VWO Testing?

PostHog's pricing is usage-based with a generous free tier, while VWO Testing has tiered subscription plans starting at $198/month. Therefore, PostHog can be significantly cheaper than VWO Testing, especially for smaller projects or those with usage within the free tier limits. However, for high-volume usage, PostHog's costs could exceed VWO Testing's fixed monthly fees.

Alternatives to PostHog and VWO Testing

Branch

Branch helps businesses understand what marketing campaigns are driving app downloads and user actions. Its tools help create links that work seamlessly across different platforms, giving users a smooth experience. Branch also provides insights into campaign performance so you can invest in what works.

Statsig

Statsig is a comprehensive platform that helps businesses make data-driven decisions about their products. It offers tools for feature flagging, A/B testing, and product analytics, all in one place. This means you can test different versions of features and see how they perform with your users, making it easier to iterate and improve your product. Statsig is designed to be used by various teams, including engineering, product management, and data science, making it a versatile tool for mid-sized companies. They offer a free plan to help you get started.

VWO Conversion Optimization Platform

VWO Conversion Optimization Platform is a suite of tools designed to help you improve your website and increase conversions. It offers A/B testing, personalization, behavioral analytics, and customer data management, all accessible from a single platform. VWO is suitable for mid-sized and larger businesses and focuses on optimizing the entire customer journey to boost conversions and improve business metrics. It's highly rated and trusted by well-known companies.

Zendesk Support Suite

Zendesk Support Suite is a customer service software solution designed to help businesses of all sizes provide excellent customer support. It offers a range of tools, including messaging, live chat, AI-powered automation, and a self-service help center. It aims to improve agent productivity, personalize customer interactions across various channels (like social media and email), and streamline workflows to increase efficiency. Zendesk emphasizes data-driven decision-making and boasts a user-friendly interface that integrates with numerous other business applications.

Webtrends Optimize

Webtrends Optimize is a website optimization platform aimed at businesses looking to improve their online conversions. It offers a variety of tools including A/B testing, personalization, multivariate testing, and social proof features to help businesses make data-driven decisions about their website content and design. It promises to increase ROI, lower customer acquisition costs, improve brand perception, and increase customer lifetime value through data-backed website improvements. They offer different support levels ranging from platform-only to fully managed services.

DevRev

DevRev is a software platform designed for technology companies, particularly those offering Software as a Service (SaaS). It combines customer support tools with product development features, aiming to improve how companies understand and respond to customer needs. DevRev offers tools for managing customer interactions, tracking product issues, and planning development, all within a single platform. Its standout feature is its use of AI and data analysis to connect customer feedback directly with product development decisions. This helps companies build better software by bridging the gap between customer support and development teams.

Page co-authored by

Michal Kaczor

CEO at Gralio

Michal has worked at startups for many years and writes about topics relating to software selection and IT management. As a former consultant for Bain, a business advisory company, he also knows how to understand needs of any business and find solutions to its problems.

Tymon Terlikiewicz

CTO at Gralio

Tymon is a seasoned CTO who loves finding the perfect tools for any task. He recently headed up the tech department at Batmaid, a well-known Swiss company, where he managed about 60 software purchases, including CX, HR, Payroll, Marketing automation and various developer tools.

How are we doing?

Is this information helpful to you? Is there anything we are missing?

Did this help you select your product?

Other issues? Vote & Let us know