Best Free VWO Alternatives in 2026 (After the Pricing Change)

VWO has been a staple in the A/B testing market for years. Its free tier, launched to capture displaced Google Optimize users, made it the default recommendation for teams that needed basic testing without a budget. But in late 2025, VWO restructured its pricing significantly, and the free tier that many teams relied on became far more restrictive.

If you are reading this, you are probably in one of two situations. Either VWO's free plan no longer meets your needs because of the new limits, or you have been evaluating VWO and realized the paid plans are priced well beyond what your team can justify. Both are valid reasons to look for a free VWO alternative.

This guide compares the best free and affordable A/B testing tools available in 2026. We cover what each tool actually offers for free (not just what the marketing page implies), where the limits are, and which type of team each tool serves best. No affiliate links. Honest assessments based on real usage.

What Happened to VWO's Pricing

To understand why people are searching for VWO alternatives, you need to understand what changed.

VWO originally launched its free Starter plan with a 50,000 monthly tracked visitor limit, basic A/B testing, and access to the visual editor. It was generous enough for small businesses and solo marketers to run meaningful tests without paying anything.

In late 2025, VWO restructured its plans. The free tier was retained in name but with tighter restrictions: fewer concurrent tests, limited reporting, and reduced access to the visual editor's advanced features. More significantly, the jump from free to paid became steeper. VWO's Growth plan now starts at approximately $299/month (billed annually), with pricing scaling quickly based on traffic volume.

For teams that were using VWO's free tier as their primary testing tool, the message was clear: either accept the new limitations or start paying enterprise-level prices. This pushed many small and mid-size teams to look elsewhere.

The good news is that the market has responded. Several tools now offer genuine free tiers or affordable entry points that compete with what VWO's free plan used to provide.

What to Look for in a VWO Alternative

Before comparing specific tools, here is what matters when evaluating replacements:

• A real free tier, not a 14-day trial. You need a tool you can use indefinitely without paying, at least for basic testing.
• A visual editor. VWO's visual editor was one of its strongest features. You should not need a developer for every test.
• Reasonable traffic limits. A free tier that caps at 1,000 visitors per month is useless for real testing. You need enough volume to reach statistical significance.
• Statistical rigor. The tool should use a valid statistical model and clearly tell you when results are significant.
• Low performance impact. The testing script should not slow down your site. This directly affects your conversions, as our guide on how website speed impacts conversion rate explains.

With those criteria in mind, here are the best VWO alternatives available in 2026.

1. Google Optimize (Gone, But Worth Addressing)

We include this because people still search for it. Google Optimize shut down on September 30, 2023. It is not coming back. If you found this article while searching for a free testing tool, Google Optimize is not an option.

For a detailed breakdown of what replaced it, see our comprehensive guide on free Google Optimize alternatives.

2. PostHog (Free Tier Available)

PostHog has emerged as one of the most compelling free alternatives for teams that need both analytics and experimentation. Originally an open-source product analytics platform, PostHog added A/B testing and feature flags as core features, and its free tier is genuinely generous.

What you get for free

PostHog's free plan includes up to 1 million events per month (across analytics, feature flags, and experiments), A/B testing with statistical analysis, feature flags, session recordings (5,000 per month), and basic heatmaps. The A/B testing feature uses Bayesian statistics and integrates directly with your product analytics data.

Pros

• 1 million free events per month is significantly more generous than most competitors
• Open-source core means transparency about how data is handled
• Self-hosting option available for teams with privacy requirements
• Feature flags and A/B testing are tightly integrated, which simplifies the workflow
• No limit on concurrent experiments in the free tier
• Session recordings included, reducing the need for a separate Hotjar or similar tool

Cons

• No visual editor. PostHog's A/B testing is code-based, requiring a developer to implement test variations
• The platform is engineer-oriented; marketers without technical skills may find the interface overwhelming
• Client-side A/B testing setup is more complex than VWO's drag-and-drop approach
• Documentation assumes a technical audience
• Reporting is powerful but not designed for quick executive summaries

Pricing

Free for up to 1 million events per month. Paid plans start at usage-based pricing (roughly $0.00045 per event beyond the free allocation).

Best for

Product-led companies with engineering resources. If your team includes developers who can implement test variations in code, PostHog gives you far more capability for free than VWO ever did. Not ideal for marketing teams that need a visual editor.

3. GrowthBook (Free and Open Source)

GrowthBook is an open-source A/B testing and feature flagging platform that has gained significant traction since Google Optimize's shutdown. It is free to self-host, and its cloud version offers a generous free tier.

What you get for free

The self-hosted version is completely free with no limits. The cloud-hosted version offers a free plan with up to 3 team members, unlimited experiments, and integration with your existing analytics (GA4, Mixpanel, Snowflake, BigQuery).

Pros

• Truly free self-hosting with no artificial limits on traffic, experiments, or features
• Uses your existing analytics data warehouse as the source of truth, which means no additional tracking scripts on your site
• Bayesian statistical engine with clear significance reporting
• Feature flags included
• Clean, modern interface that is more approachable than most open-source tools
• Active development community with regular updates

Cons

• Self-hosting requires DevOps knowledge (Docker, database setup)
• No visual editor; all experiments require code changes
• Cloud free tier is limited to 3 team members
• Relies on your analytics infrastructure being set up correctly; if your GA4 or data warehouse setup is poor, GrowthBook inherits those problems
• Less documentation and community support than commercial tools

Pricing

Free self-hosted. Cloud plans: free for up to 3 users, Pro at $75/month with more features and users.

Best for

Data-driven teams that already have a modern analytics stack (data warehouse, proper event tracking). GrowthBook's approach of querying your existing data rather than collecting its own is elegant and reduces both cost and privacy concerns.

4. Statsig (Free Tier Available)

Statsig was founded by former Facebook experimentation engineers, and it shows. The platform brings enterprise-grade experimentation methodology to a tool with a legitimately useful free tier.

What you get for free

Statsig's free Developer plan includes up to 1 million events per month, unlimited feature gates (feature flags), up to 10 concurrent experiments, and Pulse analytics for measuring experiment impact. The statistical methodology mirrors what Facebook uses internally.

Pros

• Enterprise-grade statistical methodology available for free
• 1 million events per month on the free tier is generous
• Feature flags, A/B testing, and analytics in one platform
• Automatic Bonferroni corrections for multiple comparison problems
• Pre-experiment power analysis helps you size tests correctly
• Strong SDKs across web, mobile, and server-side

Cons

• No visual editor; entirely code-based
• The interface assumes familiarity with experimentation concepts (p-values, statistical power, confidence intervals)
• Free tier limits concurrent experiments to 10
• More complex setup than VWO; requires SDK integration
• Dashboard can be overwhelming for teams new to experimentation

Pricing

Free for up to 1 million events per month and 10 concurrent experiments. Pro plan starts at approximately $150/month with higher limits and additional features.

Best for

Teams with some experimentation maturity that want rigorous statistical methodology. If you were frustrated by VWO's statistical approach and want something more robust, Statsig delivers, and its free tier is practical for small to mid-size testing programs.

5. Crazy Egg (Affordable, Not Free)

Crazy Egg is not free, but at $49/month it is significantly cheaper than VWO's paid plans and includes both analytics and basic A/B testing. If you need a visual editor and do not have developers to implement code-based tests, Crazy Egg fills the gap that most free tools leave open.

What you get

Heatmaps, session recordings, A/B testing with a visual editor, surveys, and error tracking. The A/B testing feature lets you create variations without code and measure results within the platform.

Pros

• Visual editor included, unlike most free alternatives
• Combines analytics (heatmaps, recordings) with testing
• Very easy to set up; add a script tag and start using it
• Low price point ($49/month) is accessible for small businesses
• 30-day free trial with no credit card required

Cons

• A/B testing is basic compared to VWO's capabilities
• No multivariate testing or server-side testing
• Statistical engine is less sophisticated
• Limited audience targeting options
• Not suitable for high-velocity testing programs

Pricing

$49/month for the Standard plan. 30-day free trial available.

Best for

Small businesses and solo marketers who need a visual editor and cannot write code. If VWO's visual editor was what you valued most, Crazy Egg is the closest affordable alternative.

6. Unleash (Open Source Feature Flags with Basic A/B)

Unleash is primarily a feature flag management tool, but its A/B testing capabilities are worth mentioning for teams that approach experimentation from a product development angle.

What you get for free

The open-source version is fully free and self-hosted, with unlimited feature flags and basic experiment support. The managed cloud version offers a free tier for small teams.

Pros

• Mature open-source project with a strong community
• Excellent feature flag management
• Gradual rollout capabilities that double as A/B test infrastructure
• Good SDK support across multiple languages
• Self-hosted option for privacy-conscious teams

Cons

• A/B testing is secondary to feature flagging; the experimentation features are less polished
• No visual editor
• Statistical analysis is basic; you may need to export data for proper analysis
• More suited for product teams than marketing teams

Pricing

Free self-hosted. Managed plans start at $80/month.

Best for

Product engineering teams that primarily need feature flags and want basic experimentation as a bonus.

7. Convert (Premium, but Transparent Pricing)

Convert is not free, but it deserves mention because its pricing is transparent, its testing capabilities are strong, and it fills a specific gap for teams that have outgrown free tools but do not need enterprise platforms.

What you get

A/B testing, split URL testing, multivariate testing, a solid visual editor, advanced targeting, and privacy-first architecture. Convert is particularly popular with CRO agencies and consultants.

Pros

• Clean, focused A/B testing tool without bloat
• Visual editor is reliable and handles complex pages well
• Privacy-first approach with strong GDPR compliance
• Transparent pricing (no sales calls required to get a quote)
• Excellent customer support
• Trusted by the CRO community

Cons

• Starting price of $99/month puts it above the "affordable" category for some teams
• No free tier (15-day trial only)
• Smaller integration ecosystem than VWO

Pricing

$99/month for up to 30,000 monthly visitors. 15-day free trial.

Best for

Teams that take testing seriously and want a professional tool with honest pricing. If VWO's paid plans feel overpriced for what you get, Convert often delivers better value.

Comparison Table: VWO Alternatives at a Glance

The Visual Editor Problem

You will notice a pattern in the table above: most free VWO alternatives do not include a visual editor. This is the fundamental trade-off. VWO's visual editor was arguably its best feature for non-technical users, and replacing it for free is difficult because building and maintaining a reliable visual editor is expensive.

If you need a visual editor and cannot write code, your realistic options are:

1. Crazy Egg at $49/month
2. Convert at $99/month
3. Stay on VWO's free tier and accept its limitations

If you have access to a developer (even part-time), the free options become much more attractive. PostHog, GrowthBook, and Statsig all offer more testing capability than VWO's free tier, they just require code to implement variations.

How to Choose the Right VWO Alternative

If you have developers on your team

Go with PostHog or GrowthBook. Both are free for most use cases and offer more testing power than VWO's free tier. PostHog is better if you also want session recordings and analytics in one platform. GrowthBook is better if you already have a data warehouse and want experiments to query your existing data.

If you are non-technical and need a visual editor

Start with Crazy Egg at $49/month. It is the most affordable option that includes a visual editor. If you outgrow its testing capabilities, Convert at $99/month is the logical next step.

If you are a CRO consultant or agency

Choose Convert. Its multi-project support, reliable visual editor, and transparent pricing make it the standard for professional CRO work. The $99/month starting price is a business expense, not a barrier.

If you care most about statistical rigor

Use Statsig. Its statistical methodology, built by former Facebook experimentation engineers, is more robust than anything VWO, Crazy Egg, or even Optimizely offers at comparable price points. The free tier is practical for small programs.

If you are not sure what to test

Before choosing any testing tool, run a free CRO audit to identify your biggest conversion problems. Knowing what to test makes the tool decision easier, because you will understand whether you need a visual editor, code-based testing, or something else entirely.

Before You Test: Know What to Test

The biggest mistake teams make when switching A/B testing tools is focusing entirely on the tool and ignoring the strategy. A new testing platform does not help if you do not know what to test.

If you are new to conversion rate optimization, start with our CRO beginner's guide to understand the fundamentals. Then audit your site to identify specific issues. Only then should you set up a testing tool to validate your fixes.

The testing tool is a means to an end. The end is higher conversions. The beginning is understanding what is broken.

The Bottom Line

VWO's pricing changes pushed many teams to explore alternatives, and the alternatives in 2026 are genuinely competitive. If you have technical resources, PostHog, GrowthBook, and Statsig all offer more testing capability for free than VWO's restricted free tier. If you need a visual editor, Crazy Egg and Convert offer better value than VWO's paid plans for most small to mid-size teams.

The testing tool market has matured since Google Optimize shut down. You have real options. The key is matching the tool to your team's skills, your traffic volume, and what you actually need to test.

Not sure what is hurting your conversions? Run a free CRO audit at crograder.com and get a prioritized list of issues to fix. Then choose the testing tool that fits your team and start experimenting.

Scan your site free at CROgrader.com →