10 Best Optimizely Alternatives for Founders [2026 Updated]

1. VWO

• Type: Paid
• URL: https://vwo.com
• Overview: VWO is an experimentation and conversion optimization platform offering A/B testing, multivariate testing, split URL tests, and personalization. It also includes heatmaps, session recordings, and surveys to help teams understand visitor behavior.

2. AB Tasty

• Type: Paid
• URL: https://www.abtasty.com
• Overview: AB Tasty is a digital experience optimization platform that combines A/B testing, personalization, and feature management. It is known for its visual editor and AI-driven audience segmentation for marketing and product teams.

3. Kameleoon

• Type: Paid
• URL: https://www.kameleoon.com
• Overview: Kameleoon is an AI-powered experimentation and personalization platform supporting both web and full-stack testing. It serves marketing and product teams with feature flags, predictive targeting, and robust privacy compliance.

4. LaunchDarkly

• Type: Paid
• URL: https://launchdarkly.com
• Overview: LaunchDarkly is a feature management platform that lets engineering teams control releases with feature flags. Its built-in experimentation capabilities allow teams to run A/B tests and measure the impact of new features.

5. Statsig

• Type: Paid
• URL: https://www.statsig.com
• Overview: Statsig is a product experimentation and feature flagging platform with product analytics and session replay. It offers a free tier and usage-based pricing, making it accessible to startups and large product teams alike.

6. Convert Experiences

• Type: Paid
• URL: https://www.convert.com
• Overview: Convert Experiences is a privacy-focused A/B testing and personalization tool for websites. It emphasizes fast performance, GDPR compliance, and integrations with analytics and marketing tools.

7. Dynamic Yield

• Type: Paid
• URL: https://www.dynamicyield.com
• Overview: Dynamic Yield is an experience optimization platform offering A/B testing, personalization, and product recommendations. It is widely used by retail and enterprise brands to tailor experiences across web, app, and email.

8. GrowthBook

• Type: Free
• URL: https://www.growthbook.io
• Overview: GrowthBook is an open-source feature flagging and experimentation platform that connects directly to your data warehouse. Teams can self-host it for free or use the paid cloud version for additional features and support.

9. PostHog

• Type: Free
• URL: https://posthog.com
• Overview: PostHog is an open-source product analytics suite that includes A/B testing, feature flags, and session replay. It offers a generous free tier with usage-based pricing as teams scale.

10. Split

• Type: Paid
• URL: https://www.split.io
• Overview: Split is a feature delivery and experimentation platform, now part of Harness, that combines feature flags with impact measurement. It helps engineering and product teams run controlled rollouts and A/B tests tied to performance and business metrics.