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testcritic

VWO vs AB Tasty

Feature checklists rarely decide anything. What decides it is the pricing metric, who has to write the tests, and which limitation you can live with.

Entry price

Free tier available

Free tier

Quote on request

Quote only

What drives the bill

The metric that actually scales your invoice.

Priced by monthly tracked users across modules, so buying testing plus insights raises the total substantially. The Wingify rebrand has moved pricing behind Growth/Pro/Enterprise tiers without published figures — get a quote rather than relying on an old VWO list price.

Quote-based annual contracts priced by traffic volume, now sold as part of the merged Wingify platform.

Free tier

Free starter plan with limited monthly tracked users.

No free tier; demo on request.

Open source

Self-hostable

No-code authoring

Languages

JavaScriptPythonJavaPHPCodeless
JavaScriptPythonJavaC#PHPCodeless

Platforms

WebiOSAndroid
WebAPIiOSAndroid

Fits teams

Scale-up / mid-marketEnterprise
Scale-up / mid-marketEnterprise

Adoption

Widely used

Wingify (VWO + AB Tasty) · since 2010

Established

Wingify (VWO + AB Tasty) · since 2009

Strengths

  • Observation and experimentation in one place shortens the hypothesis loop.
  • Visual editor is capable and marketer-friendly.
  • Cheaper than Optimizely at comparable traffic.
  • EU hosting and GDPR posture simplify European procurement.
  • Good balance between marketer-friendly editing and server-side flags.
  • Strong support reputation in European markets.

Limitations

  • Module-based pricing means the useful configuration costs much more than the headline.
  • Client-side flicker on complex single-page applications.
  • Server-side capability lags the flag-first platforms.
  • Less well known outside Europe, with a smaller partner ecosystem.
  • Quote-based pricing with no self-serve entry.
  • Statistics engine is less differentiated than the warehouse-native platforms.

Best for

Conversion-optimisation teams that want testing and behavioural insight from one vendor.

European e-commerce and media companies with GDPR-driven vendor requirements.

All of these integrate with: Google Analytics, Segment, Shopify, Slack.

Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.