7 Best Optimizely Alternatives in 2026

Optimizely now sells far more than testing. Its plans page lists an Agentic CMS, Agentic Experimentation and an Agent Platform, plus content marketing, analytics, personalization, commerce, asset management, a data platform and feature management. That breadth suits some teams. Others only need a testing tool, or need one with a price they can see before a sales call.

Why teams look for Optimizely alternatives

• Pricing through sales. Optimizely says every plan is individually packaged; there is no public price list.
• Scope. Experimentation is sold next to a CMS, an agent platform and other products, which is more than a testing-only team needs.
• Different starting point. Product teams may want a flag-first tool in their code, and data teams may want experiment analysis in their own warehouse.
• Budget. Smaller teams look for free plans or traffic-based plans they can start on without a contract.

None of these is a verdict on Optimizely's product. Its Agentic Experimentation still covers visual and server-side tests, multivariate tests, bandits, its own Stats Engine and AI agents that plan and report on experiments, and it remains a strong choice for enterprises that want one vendor for content and testing.

How we picked these alternatives

Each alternative had to run controlled experiments that replace at least one of Optimizely's testing products (Agentic Experimentation for web and server-side tests, or Feature Management for flags and rollouts), be sold to new customers in October 2026, and describe its features on its own site. We read each product page, plan name and published price on the vendor's site in October 2026 and checked for mergers and rebrands. We did not run paid trials.

At-a-glance comparison

The best Optimizely alternatives

1. Wingify (VWO and AB Tasty): the broadest like-for-like swap

VWO and AB Tasty announced their combination in January 2026 and launched as one brand, Wingify, in September 2026. Its web experimentation plans (Growth, Pro, Enterprise) run A/B, split URL and multivariate tests, and the platform also covers personalization, behavior analytics, feature rollouts and experiments, mobile app testing and commerce search, with an AI layer called Wingz.

Pricing (as of October 2026): custom, based mainly on monthly active users, with a free trial. Strengths: a similar breadth to Optimizely's experimentation and personalization, with a Growth tier for smaller teams. Limits: no public prices, and the merged platform is new, so check the roadmap for the product you buy.

2. Kameleoon: AI-built web tests

Kameleoon builds test variants from a chat prompt with its Prompt-Based Experimentation (PBX), and its Starter plan includes sequential testing, holdouts and sample ratio mismatch detection. Feature management, feature experimentation, personalization, mobile app testing and bandits are extra capabilities, and Enterprise removes the caps on experiments and traffic.

Pricing (as of October 2026): a 30-day free trial with no credit card; PBX Starter from $495 a month for up to 10 experiments and 50,000 monthly tracked users; Enterprise custom. Strengths: a published entry price for web testing. Limits: the Starter caps are low for a busy program.

3. Adobe Target: for Adobe shops

Adobe Target runs A/B, multivariate and Auto-Allocate tests, plus machine-learning Auto-Target and Automated Personalization activities, and connects to Adobe Analytics and Adobe Campaign. Adobe's documentation also lists a public-beta MCP server.

Pricing (as of October 2026): not published on the Adobe pages we read. Strengths: the natural choice when your analytics and content already run on Adobe. Limits: no public pricing, and using recommendations inside test activities needs a Target Premium license.

4. Convert: transparent pricing for web tests

Convert Experiences runs A/B and split URL tests on Growth and adds multivariate, multi-page, full stack and feature flag testing plus bandits on Pro, along with Shopify price testing.

Pricing (as of October 2026): Growth $399 a month or $299 a month billed annually; Pro $599 a month or $420 a month billed annually, each for 100,000 tested users a month; Enterprise on request; 15-day free trial with no credit card. Strengths: you can price it without a call. Limits: overage is charged above your tested-user allowance unless you switch it off.

5. LaunchDarkly: flags first, experiments built in

LaunchDarkly controls feature releases, experiments and AI agent behavior in production, and includes observability through logs and traces. It replaces Optimizely's Feature Management more than its web testing.

Pricing (as of October 2026): the Developer plan is $0 a month with unlimited seats and 100,000 experimentation MAU a month; Foundation is pay as you go after a 14-day trial, priced per service connection and client-side MAU; Enterprise is custom. Strengths: no seat fees on Developer or Foundation. Limits: built for engineers, not for marketers editing pages.

6. GrowthBook: open source and warehouse native

GrowthBook runs feature flags and experiments and analyzes results in your own data warehouse (or a managed one). Pro adds an AI Visual Editor for web tests, multi-arm bandits and safe rollouts.

Pricing (as of October 2026): cloud Starter is free for up to 3 users; Pro is $40 per seat a month for up to 30 users; Enterprise is custom; a self-hosted open source edition is free. Strengths: keeps experiment data in your warehouse. Limits: per-seat pricing adds up for large teams.

7. PostHog: experiments inside product analytics

PostHog Experiments run A/B, A/B/n, holdout, fake door and redirect tests with Bayesian or frequentist analysis, and you can watch session replays for each variant. Each experiment creates a feature flag.

Pricing (as of October 2026): a free monthly allowance (1 million feature flag requests), experiments billed with feature flags, no minimum spend. Strengths: analytics, replay and tests in one tool. Limits: aimed at product teams more than marketing page tests.

How to choose

Split the decision by who runs the tests. If marketers run most experiments on web pages, compare Wingify, Kameleoon and Convert, and Adobe Target if you are an Adobe customer. If engineers run them behind flags, compare LaunchDarkly, GrowthBook and PostHog. Some companies run one of each.

Then compare how each vendor counts usage, because the units differ: Wingify prices mainly by monthly active users, Convert by tested users, Kameleoon Starter by monthly tracked users, GrowthBook Pro by seat, and LaunchDarkly Foundation by service connection and client-side MAU. Model your real traffic and team size on each pricing page before you compare totals, and ask the sales-led vendors for a quote on the same numbers.

Our roundup of marketing analytics tools covers where to measure results after a test ends, and our VWO alternatives list covers teams reviewing VWO after its move to Wingify. If you plan to personalize winners by audience, see our guides to website personalization software and customer segmentation software.

Frequently Asked Questions

Does Optimizely publish its pricing?
No. Optimizely's plans page says every plan is individually packaged and asks you to request a demo. Among the alternatives here, Convert, Kameleoon, GrowthBook, LaunchDarkly and PostHog publish prices or free plans on their own sites.

What is the closest alternative to Optimizely for marketing teams?
For web experimentation run by marketers, Wingify (the combined VWO and AB Tasty) and Kameleoon are the closest, since both offer visual or AI-built web tests, personalization and feature experimentation. Adobe Target is the closest for companies already on Adobe Experience Cloud.

Is there a free alternative to Optimizely?
GrowthBook has a free cloud Starter plan for up to 3 users and a free self-hosted open source edition. LaunchDarkly's Developer plan is free and includes 100,000 experimentation MAU a month. PostHog gives a free monthly allowance, with experiments billed together with feature flags.

Which Optimizely alternative is best for feature experiments?
LaunchDarkly, GrowthBook and PostHog are built around feature flags, so tests run in your code and product. They suit product and engineering teams more than marketers editing web pages.