VWO vs Kameleoon

From $314 per month (indicative, growth tier by traffic)

Quote on request

Priced by monthly tracked users across modules; buying testing plus insights raises the total substantially.

Quote-based, priced by traffic and modules.

Free starter plan with limited monthly tracked users.

Free trial on request.

Widely used

Wingify · since 2010

Established

Kameleoon · since 2012

• Observation and experimentation in one place shortens the hypothesis loop.
• Visual editor is capable and marketer-friendly.
• Cheaper than Optimizely at comparable traffic.

• Genuinely good hybrid model — the same experiment can run client- and server-side.
• Effective anti-flicker implementation.
• EU hosting with healthcare-grade compliance options.

• 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.

• Smaller market presence outside Europe.
• Opaque pricing.
• Fewer third-party integrations than Optimizely.

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

European enterprises needing both marketer and developer experimentation under GDPR.