ConfigCat vs Eppo

From $99 per month (indicative, Pro)

Quote on request

Unlimited seats on every plan, including free — unusual and genuinely valuable for wide access.

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

Free forever plan with a monthly config-request allowance and unlimited members.

Free tier available for small teams.

Established

ConfigCat · since 2018

Established

Eppo (Datadog) · since 2020

• Unlimited team members at every tier, so product and support can toggle flags too.
• Very simple to adopt — an afternoon, not a project.
• Broad SDK coverage including Dart and Elixir.

• 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.

• No experimentation or analytics to speak of.
• Limited targeting sophistication compared to LaunchDarkly.
• Small vendor.

• 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.

Teams that want simple, cheap flags accessible to the whole company.

Data-mature organisations where experiment results must withstand scrutiny.