The Front Desk Review

Best A/B Testing · head-to-head

GrowthBook vs LaunchDarkly

A sourced, side-by-side comparison for a/b testing. GrowthBook has the lower entry price. Every figure links to the vendor's own page and the date we captured it.

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

As of 2026-06-14 · figures link to their source below

Side by side

GrowthBook

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

LaunchDarkly

$0/mo entry
Entry price$0/mo (Developer)
Free tierYes
HIPAA (BAA)Yes
SOC 2Yes
GDPRYes
Best forAI engineering teams needing runtime control of agent behavior without redeploys

Sources — GrowthBook: growthbook.io (verified 2026-06-14) · LaunchDarkly: launchdarkly.com (verified 2026-06-14)

Key features

GrowthBook: Warehouse-native experimentation connecting directly to existing data warehouses; Feature flags with auto-rollback and ramp schedules with guardrails; Open-source with self-hosted option (air-gapped deployment supported); 24+ SDKs with zero network calls and sub-millisecond evaluation; Product analytics with AI Data Analyst; SOC 2 Type II, ISO 27001, GDPR, CCPA, COPPA certified; No PII required — only aggregate data accessed from warehouse; SAML/SCIM SSO (Okta, Azure AD) on Enterprise; Fine-grained RBAC and audit trails; MCP Server for AI coding assistant integration; Open mandatory code review for all pull requests; Positioned as approx. 1/5th cost of comparable solutions

LaunchDarkly: Feature flags with targeting, progressive rollouts, and percentage-based releases; CodeControl: feature management for traditional software with observability; AgentControl: AI agent behavior control, evaluation, and observability; A/B/n testing and multi-armed bandits (MAB); Automated rollback based on real-time guardrail metrics (Guardian tier); 50 trillion+ flag evaluations daily; <200ms global config propagation; Session replay, error monitoring, logs, and traces built in; 25+ native SDKs across frontend, backend, mobile, and AI platforms; FedRAMP Authorized (Moderate level); SOC 2 Type II, ISO 27001, ISO 27701 certified; GDPR/CCPA compliant; SAML SSO, MFA, RBAC, and audit logging; EU data residency option available; Privacy-by-design: no PII required for flag evaluation

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