The Front Desk Review

Best Feature Flags · head-to-head

ConfigCat vs GrowthBook

A sourced, side-by-side comparison for feature flags. ConfigCat has the lower entry price. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.

ConfigCat has the lower entry price — ConfigCat starts at $0/mo, GrowthBook at $0/mo. Free tier: ConfigCat Yes, GrowthBook Yes. HIPAA: ConfigCat —, GrowthBook Yes.

As of 2026-09-02 · figures link to their source below

Side by side

ConfigCat

$0/mo entry
Entry price$0/mo (Forever Free)
Free tierYes
HIPAA (BAA)—
SOC 2—
GDPRYes
Best forTeams with very high config download volumes needing predictable flat pricing

GrowthBook

$0/mo entry
Entry price$0/mo (Starter)
Free tierYes
HIPAA (BAA)Yes
SOC 2Yes
GDPRYes
Best forData teams wanting warehouse-native experimentation without vendor data access

Sources — ConfigCat: configcat.com (verified 2026-09-02) · GrowthBook: growthbook.io (verified 2026-09-02)

Key features

ConfigCat: Client-side flag evaluation — user data never leaves customer systems; ISO 27001:2022 certified; EU-only data storage option available on all plans; Unlimited seats on every plan including free tier; Audit log retention from 7 days (Pro) up to 2 years (Enterprise)

GrowthBook: Warehouse-native architecture — aggregate data only, no PII ever leaves customer's data warehouse; Advanced statistics: CUPED variance reduction, sequential testing, multi-arm bandits; Visual A/B test editor (no-code experiment creation); Open-source self-hosted option with full feature parity; SOC 2 Type II + ISO 27001 certified

← All feature flags compared · Open data