Concepts referenced in this article, defined.
Run rigorous A/B tests and personalize every visit on Shopify or any storefront โ no engineers required.
Convert.com is a privacy-focused A/B testing platform with a strong reputation for data accuracy and GDPR compliance. It's the better choice for brands that operate in regulated markets, have privacy-sensitive customers, or work with agencies running tests across multiple client sites. VWO is a broader CRO platform that combines A/B testing with heatmaps, session recordings, surveys, and funnels, so it suits teams that want one tool for both qualitative and quantitative CRO work. Both compete in a similar price bracket, and the decision usually comes down to whether you need testing only (Convert) or a unified CRO platform (VWO).
Convert.com is an A/B testing and experimentation platform founded in 2009. It's known for its privacy-first architecture, cookie-less testing, and GDPR/CCPA compliance. It offers A/B, multivariate, and split URL testing, with a visual editor and a JavaScript API for developers. Convert is popular among CRO agencies and performance-focused teams. Pricing starts at $199/month for the Kickstart plan (up to 80,000 tested users/month) and scales to $599/month for the Expert plan (800,000 tested users/month).
VWO (Visual Website Optimizer) is a CRO platform built by Wingify, an Indian company. It combines A/B testing, personalisation, heatmaps, session recordings, surveys, and funnel analysis in one platform. VWO's visual editor allows no-code test creation. Pricing starts at $199/month for the Testing plan (50,000 monthly tested users), with integrated behaviour analytics available as add-ons or higher-tier bundles.
| Feature | Convert.com | VWO |
|---|---|---|
| A/B testing | Yes | Yes |
| Multivariate testing | Yes | Yes |
| Split URL testing | Yes | Yes |
| Visual editor | Yes | Yes |
| Privacy/cookie-less testing | Yes (core feature) | Limited |
| GDPR compliance tools | Strong | Yes |
| Session recordings | No | Yes |
| Heatmaps | No | Yes |
| User surveys | No | Yes |
| Funnel analysis | No | Yes |
| Feature flagging | No | Yes (VWO FullStack) |
| Agency multi-client accounts | Yes (native) | Limited |
| Stats engine | Frequentist + Bayesian | Bayesian (SmartStats) |
| Starting price | $199/month (80K MTUs) | $199/month (50K MTUs) |
| Shopify integration | Yes | Yes |
| India-based support | No | Yes (Wingify) |
Both platforms start at $199/month, making them direct price competitors at entry level.
Convert.com:
VWO:
Convert gives you slightly more tested users at the entry price point ($199/month gets you 80K MTUs against VWO's 50K MTUs). VWO's broader feature set (heatmaps, recordings) on bundle plans costs more in aggregate, but if those features are valuable, VWO's combined cost can still beat buying testing and behaviour analytics as separate tools.
For Indian D2C brands in INR terms:
Because the pricing is roughly the same, this is a feature and philosophy comparison rather than a budget one.
Convert's most distinctive feature is its privacy architecture. Convert has been working on cookie-less and first-party data testing since before GDPR became a headline issue. Its main privacy features include:
VWO has GDPR compliance features and consent management, but they aren't as central to VWO's product identity as they are for Convert. VWO tracks users via cookies by default.
For D2C brands in India, privacy regulation is less immediately pressing than in Europe. Still, brands expanding internationally (to EU or US markets) or those with privacy-conscious customer bases benefit from Convert's approach.
Convert has a strong reputation among CRO professionals for test accuracy. Specifically, it has lower levels of "data quality" issues like cross-contamination between variations, poor bot filtering, and flicker (the brief flash of the original page before the test variation loads).
Convert's QA framework and its approach to JavaScript injection are generally considered cleaner than many competitors. Agencies that run hundreds of tests across client sites often prefer Convert for this reason, because it means fewer false positives and higher confidence in results.
VWO's SmartStats (Bayesian engine) is a genuine strength for decision-making speed. It gives a percentage probability that a variation is better rather than requiring arbitrary significance thresholds. Both platforms produce reliable results when implemented correctly. Convert's edge is in the technical precision of its implementation.
Convert has a purpose-built agency offering. A single account can manage tests across multiple client domains, with granular role-based access control, and agencies can white-label Convert reports for clients. This makes Convert a natural choice for CRO agencies running programmes for several D2C brands at once.
VWO also supports multiple sites and team roles, but its multi-client management features are less polished than Convert's. Agencies using VWO often manage separate accounts per client.
Both Convert and VWO work on Shopify via JavaScript snippet installation. For testing product pages, collection pages, and pre-checkout flows, both platforms perform well.
Some brands want a Shopify-native testing experience with D2C features built in, including no-code experiments designed around ecommerce patterns like CTA testing, pricing display, urgency elements, and product page layouts. For that, CustomFit.ai offers a more Shopify-integrated approach. Unlike general-purpose platforms, CustomFit.ai is built for the specific testing patterns that drive conversion rate improvements in ecommerce, without requiring CRO expertise or JavaScript configuration. Start a 14-day free trial and see how it compares to the general-purpose platforms.
Does Convert.com work without cookies? Yes. Convert supports cookie-less testing using localStorage and fingerprinting alternatives, which is useful as third-party cookies become less available.
Is VWO GDPR compliant? Yes. VWO has GDPR compliance features including consent mode, data anonymisation, and a data processing agreement (DPA) for EU customers.
Which platform is more accurate for A/B test results? Both produce statistically sound results when correctly implemented. Convert has a stronger reputation among technical CRO professionals for lower data contamination and cleaner test execution.
Can Convert.com handle personalisation? Convert focuses on A/B testing. It has audience targeting and segmentation for serving variations, but it isn't a full personalisation platform in the way VWO Personalise or Dynamic Yield are.
What is the flicker effect in A/B testing? Flicker occurs when a user briefly sees the original page before the test variation loads. Convert is known for minimising flicker through synchronous snippet loading, which is one reason agencies prefer it for quality-sensitive tests.