Convert vs Optimizely

Convert Experiences is an A/B testing and experimentation platform, founded in 2009, that supports A/B testing, multivariate testing, split URL testing, multi-page experiments, server-side experimentation, feature flags, and personalization. Convert Experiences publishes flat-rate plans starting at $299 per month, hosts customer experiment data on EU-based servers in Frankfurt, Germany, and is GDPR, CCPA, HIPAA, ISO 27001, and SOC 2 Type 2 compliant as of 2026.

There is no price list. Every Optimizely plan is packaged individually: you describe your needs, and Optimizely builds the plan with you (Optimizely plans page). Quotes come through sales, on annual contracts.

What buyers actually pay, from logged contract data (Vendr, updated February 2026):

• Median: $81,447 a year. The benchmark covers 126 Optimizely purchases; the lowest logged contract was $26,460 and the highest $261,075.
• Experimentation on its own: roughly $50,000 to $80,000 a year at list for mid-market deployments under 5 million monthly tracked users, rising past $200,000 with more traffic and products.
• Standalone Web Experimentation by traffic band: $40,000 to $80,000 under 250K MTUs, $80,000 to $150,000 between 250K and 1M MTUs, and $150,000+ above that. Adding a second product such as Personalization or Feature Experimentation roughly doubles the contract.

What the quotes leave out:

• Escalators. 3 to 7% annual increases are standard in initial contracts, and 5 to 10% at renewal if they aren’t capped.
• Overages when you exceed contracted traffic, and premium support at roughly 10 to 20% on top of the platform fee.
• Implementation: $50,000 to $100,000 for a smaller experimentation deployment.
• AI usage. Optimizely’s AI layer, Opal, runs on credits. Each instance gets up to 200 complimentary credits a month through December 31, 2026, which Optimizely can withdraw at any time. One AI-generated variation costs 30 to 130 credits, and if you regularly exceed the allowance, the account team proposes a tailored Opal plan.

Convert Experiences plans start at $299 per month on annual billing ($3,588 per year) for 100,000 monthly tested users; the Pro plan is $420 per month annual ($5,040 per year) for 250,000 monthly tested users. Optimizely does not publish pricing on its website as of October 2026; every product on optimizely.com/plans routes to a “Request pricing” form. Independent buyer benchmarks place the entry-level Optimizely contract at median $81,447 per year across 126 purchases (Vendr, February 2026).

Optimizely bundles A/B testing, multi-page testing, feature testing, and server-side testing together in its Agentic Experimentation product (optimizely.com/plans, October 2026). Advanced behavioral personalization and warehouse-native analytics remain separate Optimizely products. Pricing for all of it is custom-quoted through sales, so what any one capability costs is not published.

Convert Experiences includes A/B testing, multivariate testing, server-side experimentation, feature flags, and personalization (Deploys) in one platform. A/B and split URL testing are on every paid plan, with multivariate, server-side, and feature flags on Pro and Enterprise. Every plan is published at a flat rate, starting at $299/month billed annually.

Convert Experiences is GDPR compliant since May 2018 and HIPAA compliant on every paid plan (Growth, Pro, Enterprise) as of 2026. Convert Experiences hosts customer experiment data on EU-based servers in Frankfurt by default across all plans and uses first-party cookies only. Optimizely is GDPR compliant and supports HIPAA compliance as a Business Associate, but Business Associate Agreements are signed with Enterprise customers only. HIPAA is not available on lower Optimizely tiers.

Convert Experiences offers a 15-day free trial, full features, no credit card required, with self-serve sign-up at convert.com. Optimizely does not publish a free trial CTA on optimizely.com/plans as of October 2026. Every plan requires a sales conversation. Optimizely Rollouts, a free plan inside Optimizely Feature Experimentation, offers free feature flags and one A/B test, but Optimizely Rollouts is a separate product from Optimizely.

Convert Experiences renders A/B test variations through SmartInsert™, a patent-pending native flicker-prevention layer in production since 2016, with the Convert homepage citing zero measurable impact on Core Web Vitals scores. Optimizely describes a different approach: edge delivery via global CDN, with experiments processed server-side and rendered before page content. A G2 reviewer currently visible on g2.com notes that “since [Optimizely is] a client-side tool, there’s a small delay before the experiment changes appear on the page.”

Convert Experiences offers free migration support from Optimizely, with assistance from Convert’s certified agency partner network (per convert.com, October 2026). The migration covers experiment recreation, audience translation, and goal mapping, plus guided onboarding on Pro and Enterprise plans. Convert Experiences does not require an annual contract to start migration. The 15-day free trial allows a team to validate the platform before committing.

Optimizely is the stronger fit for organizations standardizing on Optimizely’s broader Digital Experience Platform (CMS, Configured Commerce, Content Marketing Platform, Digital Asset Management, Warehouse-Native Analytics), where the experimentation tool benefits from being part of one vendor’s full DXP stack. Optimizely also ships AI features in 2026 that Convert Experiences does not match in scope, including Opal Chat (24/7 AI experimentation guide), Instant Test Ideas, and AI Variation Summary. Convert Experiences is the stronger fit for teams that want a focused experimentation tooling, published flat-rate pricing, EU data residency by default, and self-serve signup without a sales call.