Eppo vs ConfigCat
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
Quote on request
Quote onlyFrom $110 per month (Pro)
Free tierWhat drives the bill
The metric that actually scales your invoice.
Quote-based, generally aimed at companies with a data team and a warehouse already in place.
Plans run Free, Pro $110, Smart $325, Enterprise $900 and Dedicated $4,500 a month. Unlimited seats and unlimited flag reads on every plan, including free — unusual and genuinely valuable for wide access; paid tiers mainly raise flag, environment and product limits.
Free tier
Free tier available for small teams.
Free forever plan with a monthly config-request allowance and unlimited members.
Open source
Self-hostable
No-code authoring
Languages
Platforms
Fits teams
Adoption
Established
Eppo (Datadog) · since 2020
Established
ConfigCat · since 2018
Strengths
- 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.
- 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.
Limitations
- 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.
- No experimentation or analytics to speak of.
- Limited targeting sophistication compared to LaunchDarkly.
- Small vendor.
Best for
Data-mature organisations where experiment results must withstand scrutiny.
Teams that want simple, cheap flags accessible to the whole company.
All of these integrate with: Slack.
Pricing last reviewed August 2026 and is indicative only — confirm on each vendor’s own page.