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Optimizely alternatives: 6 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Optimizely: quote-only pricing sized for enterprises, and broad suite that can be complex to adopt. We ranked 6 alternatives by how directly each one replaces Optimizely, then by reviews, real visits and how recently each app's facts were checked against its own website. VWO currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1VWO logoVWOPaidNoWeb5 of 566.5
2AB Tasty logoAB TastyPaidNoWeb4 of 462.6
3Kameleoon logoKameleoonPaidNoWeb4 of 459.6
4Convert Experiences logoConvert ExperiencesPaidNoWeb3 of 357.2
5Statsig logoStatsigFree plan + paidNoWeb4 of 455.3
6GrowthBook logoGrowthBookOpen sourceYesWeb, Self-hosted4 of 453.6
  1. VWO logo

    1. VWOTop pick

    Best for: Marketing and CRO teams that want testing and behaviour analytics together

    PaidWeb

    66.5

    score / 100

    Why switch from Optimizely

    Similar web testing with behaviour analytics, at mid-market prices.

    Pros

    • Testing, heatmaps and recordings in one suite
    • Visual editor for tests without developers
    • Server-side and mobile app testing available

    Cons

    • Pricing gets complex across several modules
    • Statistics less configurable than engineering tools
    Visit VWO Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is VWO a good Optimizely alternative?

    Verified facts

    5 of 5 verified
    Free trial
    Yes, with a sample data account
    Checked Oct 25, 2026vwo.com(opens source in a new tab)
    Testing types
    A/B, split URL, multivariate
    Checked Oct 25, 2026vwo.com(opens source in a new tab)
    Behaviour analytics pricing
    By monthly tracked users
    Checked Oct 25, 2026vwo.com(opens source in a new tab)
    Scheduled rollouts
    Yes
    Checked Oct 25, 2026vwo.com(opens source in a new tab)
    Pricing
    Custom quote
    Checked Oct 25, 2026vwo.com(opens source in a new tab)
  2. AB Tasty logo

    2. AB Tasty

    Best for: Ecommerce and retail brands combining A/B tests with personalisation

    PaidWeb

    62.6

    score / 100

    Why switch from Optimizely

    A European experimentation and personalisation rival.

    Pros

    • Visual editor and widget library for marketers
    • Personalisation and recommendations alongside testing
    • Server-side experiments and feature flags available

    Cons

    • Quote-only pricing
    • Less suited to self-serve, engineering-led testing
    • Many features aimed at retail rather than SaaS products
    Visit AB Tasty Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is AB Tasty a good Optimizely alternative?

    Verified facts

    4 of 4 verified
    Campaign types
    Tests and personalisation
    Checked Oct 25, 2026docs.abtasty.com(opens source in a new tab)
    Multivariate testing
    Yes
    Checked Oct 25, 2026docs.abtasty.com(opens source in a new tab)
    Server-side testing
    Feature Experimentation & Rollout
    Checked Oct 25, 2026docs.abtasty.com(opens source in a new tab)
    Recommendations and search
    Yes
    Checked Oct 25, 2026docs.abtasty.com(opens source in a new tab)
  3. Kameleoon logo

    3. Kameleoon

    Best for: Marketing and product teams wanting one tool for web and feature experiments

    PaidWeb

    59.6

    score / 100

    Why switch from Optimizely

    Web and feature experimentation with a prompt-based AI editor.

    Pros

    • AI builds test variants from plain-language prompts
    • Covers web, server-side and mobile app testing
    • HIPAA and GDPR compliance options

    Cons

    • Main experimentation plans are quote-based
    • Entry plan is limited to a few experiments
    Visit Kameleoon Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Kameleoon a good Optimizely alternative?

    Verified facts

    4 of 4 verified
    Free trial
    30 days
    Checked Oct 25, 2026kameleoon.com(opens source in a new tab)
    Starter price
    From $495/month (PBX Starter)
    Checked Oct 25, 2026kameleoon.com(opens source in a new tab)
    Compliance
    GDPR and HIPAA
    Checked Oct 25, 2026kameleoon.com(opens source in a new tab)
    Feature flags
    Yes, with auto-cleanup
    Checked Oct 25, 2026kameleoon.com(opens source in a new tab)
  4. Convert Experiences logo

    4. Convert Experiences

    Best for: CRO agencies and mid-size teams that want published pricing and privacy defaults

    PaidWeb

    57.2

    score / 100

    Why switch from Optimizely

    Published pricing and a privacy focus for agencies and mid-size teams.

    Pros

    • Published pricing, unusual in this market
    • Shopify price testing and full-stack experiments
    • Privacy-focused defaults

    Cons

    • No built-in heatmaps or session recordings
    • Entry price is high for small sites
    Visit Convert Experiences Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Convert Experiences a good Optimizely alternative?

    Verified facts

    3 of 3 verified
    Starting price
    $299/month billed annually
    Checked Oct 25, 2026convert.com(opens source in a new tab)
    Shopify price testing
    Yes
    Checked Oct 25, 2026convert.com(opens source in a new tab)
    Full-stack testing
    Yes
    Checked Oct 25, 2026convert.com(opens source in a new tab)
  5. Statsig logo

    5. Statsig

    Best for: Product and engineering teams that want rigorous experiments tied to every release

    Free plan + paidWeb

    55.3

    score / 100

    Why switch from Optimizely

    Engineering-led experimentation with a free tier.

    Pros

    • Rigorous experimentation statistics built in
    • Unlimited flag checks, even on the free plan
    • Warehouse-native option for analysis on your own data

    Cons

    • Statistics-heavy interface for non-technical users
    • Owned by OpenAI, which some competitors' customers may weigh
    • Analytics less mature than dedicated analytics vendors
    Visit Statsig Details and reviews
    How this score is calculated
    Editorial fit ×0.363
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Statsig a good Optimizely alternative?

    Verified facts

    4 of 4 verified
    Free plan
    2M events/month
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
    Flag checks
    Unlimited on free plan
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
    Free session replays
    50,000/month
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
    Pro plan
    $150/month
    Checked Oct 25, 2026statsig.com(opens source in a new tab)
  6. GrowthBook logo

    6. GrowthBook

    Best for: Engineering and data teams that want experiments on their own warehouse data

    Open sourceSelf-hostableWeb, Self-hosted

    53.6

    score / 100

    Why switch from Optimizely

    Open-source experimentation that runs on your own data warehouse.

    Pros

    • Open source and fully self-hostable
    • Runs analysis on your existing warehouse
    • Unlimited flags, experiments and traffic even on free plan

    Cons

    • Needs a data warehouse or analytics source to shine
    • Free cloud plan limited to 3 users
    • Less marketer-friendly than visual testing tools
    Visit GrowthBook Details and reviews
    How this score is calculated
    Editorial fit ×0.357
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is GrowthBook a good Optimizely alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 3 users, unlimited flags
    Checked Oct 25, 2026growthbook.io(opens source in a new tab)
    Pro plan
    $40 per seat/month
    Checked Oct 25, 2026growthbook.io(opens source in a new tab)
    Self-hosting
    Docker image
    Checked Oct 25, 2026docs.growthbook.io(opens source in a new tab)
    Self-hosted features
    Same as cloud
    Checked Oct 25, 2026growthbook.io(opens source in a new tab)

The best Optimizely alternative for…

The highest-ranked app in this list for each need.

VWO logo

Best Optimizely alternative for most people

VWO

Similar web testing with behaviour analytics, at mid-market prices.

GrowthBook logo

Best Optimizely alternative for a free option

GrowthBook

Open-source experimentation that runs on your own data warehouse.

Statsig logo

Best Optimizely alternative for a free plan you can upgrade

Statsig

Engineering-led experimentation with a free tier.

GrowthBook logo

Best Optimizely alternative for open source

GrowthBook

Open-source experimentation that runs on your own data warehouse.

GrowthBook logo

Best Optimizely alternative for self-hosting

GrowthBook

Open-source experimentation that runs on your own data warehouse.

AB Tasty logo

Best Optimizely alternative for working in the browser

AB Tasty

A European experimentation and personalisation rival.

Optimizely alternatives: common questions

What is the best alternative to Optimizely?

VWO ranks first right now. Similar web testing with behaviour analytics, at mid-market prices. AB Tasty and Kameleoon follow it in our ranking.

Is there a free alternative to Optimizely?

Yes. Statsig (free plan + paid) and GrowthBook (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Optimizely?

Yes: GrowthBook. GrowthBook can also be self-hosted.

Why do people switch from Optimizely?

The complaints we hear most: quote-only pricing sized for enterprises; broad suite that can be complex to adopt.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Optimizely, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.