Optimizely Experimentation vs GrowthBook

Optimizely Experimentation9.3Visit GrowthBook8.7Visit

Higher score Optimizely Experimentation #1 in Experimentation Platforms 9.3/10 Free plan Free plan✓ 0 of 3 features Visit Optimizely

vs

GrowthBook #6 in Experimentation Platforms 8.7/10 Free plan Free plan✓ 0 of 3 features Visit GrowthBook

• Optimizely Experimentation fits best

  Teams wanting a broad experimentation suite

• GrowthBook fits best

  Teams wanting broad, open experimentation

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Side by side

Feature	Optimizely Experimentation 9.3/10 Visit ↗	GrowthBook 8.7/10 Visit ↗
At a glance
Editor score	9.3	8.7
Ranking	#1 in Experimentation Platforms	#6 in Experimentation Platforms
Best for	Teams wanting a broad experimentation suite	Teams wanting broad, open experimentation
Pricing model	Free plan + paid	Free plan + paid
Starting price	—	—
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud, Self-hosted, Mobile
Platforms	Web, iOS, Android	Web, iOS, Android
Support	Tickets, Community, Docs	Live chat, Email, Community, Docs
Compliance	SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS	SOC 2, GDPR, HIPAA, SSO/SAML
Integrations	3 integrations	11 integrations
Built for	Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Optimizely Experimentation 0/3 · GrowthBook 0/3
Server-side experiments	Not checked yet	Not checked yet
Mobile experiments	Not checked yet	Not checked yet
Feature rollouts	Not checked yet	Not checked yet
Specs
Experiment methods	Not checked yet	Not checked yet
Statistical model	Not checked yet	Not checked yet
Included users	Not checked yet	Not checked yet
Our review
Pros	Covers visual, server-side, mobile, multivariate, and bandit testing Includes feature flags, controlled rollouts, targeting, and remote configuration Supports web, iOS, Android, APIs, SDKs, REST, and analytics integrations	Warehouse-native analysis with support for major data platforms Combines A/B tests, rollouts, bandits, feature flags, and targeting Cloud-hosted and self-hosted options with broad SDK coverage
Cons	Paid plans are individually packaged rather than fixed-price tiers The broad feature set may exceed the needs of single-use testing teams The product spans separate web and feature experimentation workflows	Advanced permissions and governance are reserved for higher tiers Self-hosted deployment requires the team to manage its own environment The broad feature set may exceed the needs of teams focused on basic A/B testing
Our verdict	Optimizely Experimentation is a commercial experimentation platform for marketing, product, and engineering teams. It combines web experimentation with feature experimentation across websites, mobile apps, APIs, and other connected… Read the review →	GrowthBook is a warehouse-native platform for product experimentation, feature flags, and product analytics. It is designed for engineering, product, data, and growth teams running experiments across web, server, edge, iOS, and Android… Read the review →

Strengths and trade-offs

• Optimizely Experimentation — where it wins

  • Covers visual, server-side, mobile, multivariate, and bandit testing
  • Includes feature flags, controlled rollouts, targeting, and remote configuration
  • Supports web, iOS, Android, APIs, SDKs, REST, and analytics integrations

  Where it doesn't

  • Paid plans are individually packaged rather than fixed-price tiers
  • The broad feature set may exceed the needs of single-use testing teams
  • The product spans separate web and feature experimentation workflows

• GrowthBook — where it wins

  • Warehouse-native analysis with support for major data platforms
  • Combines A/B tests, rollouts, bandits, feature flags, and targeting
  • Cloud-hosted and self-hosted options with broad SDK coverage

  Where it doesn't

  • Advanced permissions and governance are reserved for higher tiers
  • Self-hosted deployment requires the team to manage its own environment
  • The broad feature set may exceed the needs of teams focused on basic A/B testing

• Optimizely Experimentation9.3/10 · Free plan

  A broad experimentation suite spanning web, mobile, server-side testing, and feature delivery.

  Visit OptimizelyFull verdict →
• GrowthBook8.7/10 · Free plan

  A broad experimentation suite for teams that want warehouse-native analysis and open deployment options.

  Visit GrowthBookFull verdict →