Kameleoon vs Eppo

Quote on request

Quote on request

Quote-based, priced by traffic and modules.

Quote-based, generally aimed at companies with a data team and a warehouse already in place.

Free trial on request.

Free tier available for small teams.

Established

Kameleoon · since 2012

Established

Eppo (Datadog) · since 2020

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

• Statistically rigorous — sequential testing, CUPED and diagnostics are core, not add-ons.
• Metrics defined once in the warehouse and reused across every experiment.
• dbt integration fits existing analytics engineering workflows.

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

• Requires a warehouse and a data team; not usable by a product manager alone.
• Feature-flagging capability is lighter than dedicated flag platforms.
• Now part of Datadog, which changes the strategic picture.

European enterprises needing both marketer and developer experimentation under GDPR.

Data-mature organisations where experiment results must withstand scrutiny.