The Front Desk Review

Best Feature Flags · head-to-head

ConfigCat vs Flagsmith

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, Flagsmith at $0/mo. Free tier: ConfigCat Yes, Flagsmith Yes. HIPAA: ConfigCat —, Flagsmith —.

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

Flagsmith

$0/mo entry
Entry price$0/mo (Free)
Free tierYes
HIPAA (BAA)—
SOC 2Yes
GDPRYes
Best forTeams wanting open-source self-hosted control

Sources — ConfigCat: configcat.com (verified 2026-09-02) · Flagsmith: flagsmith.com (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)

Flagsmith: Open-source self-hosted option (full feature parity); OpenFeature provider support for vendor-agnostic evaluation; Multi-variate flags with A/B and MVT testing built in; Scheduled flag changes on paid plans

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