Kameleoon vs Optimizely (2026): Pricing, Features & Verdict
Kameleoon is our pick, scoring 6.8/10 against 6.6/10 for Optimizely on our AI Software criteria. Its biggest advantage: higher Support score (8/10 vs 6/10). Only Kameleoon has a free plan.
Last updated: November 2026
Kameleoon
6.8/10
Kameleoon is an experimentation and personalization platform for web A/B testing, feature flags, and AI prompt-based experiment building, aimed at mid-market and enterprise teams.
Optimizely
6.6/10
Optimizely is an enterprise digital experience platform that combines web and feature experimentation, a headless CMS, commerce, a content marketing platform and a customer data platform.
Feature-by-Feature Comparison
| Feature | | |
|---|---|---|
| Scores | ||
| Overall Rating | 6.8/10 | 6.6/10 |
| Integration | 7/10 | 8/10 |
| Analytics | 8/10 | 8/10 |
| Customization | 8/10 | 8/10 |
| Ease of Use | 6/10 | 6/10 |
| Support | 8/10 | 6/10 |
| Cost | 3/10 | 2/10 |
| Scalability | 8/10 | 9/10 |
| Security | 9/10 | 8/10 |
| Pricing | ||
| Free plan | Yes | No |
| Cheapest paid plan | $495/mo PBX Starter | Contact for pricing |
| Estimated cost for 10 users | Free PBX Starter Free Trial | Contact for pricing |
| Features | ||
| E-commerce Features | ||
| Segmentation | ||
| A/B Testing | ||
Kameleoon vs Optimizely cost by team size
| Team size | Kameleoon | Optimizely |
|---|---|---|
| 1 user | FreePBX Starter Free Trial | Contact for pricing |
| 5 users | FreePBX Starter Free Trial | Contact for pricing |
| 10 users | FreePBX Starter Free Trial | Contact for pricing |
| 25 users | FreePBX Starter Free Trial | Contact for pricing |
| 50 users | FreePBX Starter Free Trial | Contact for pricing |
The plan that fits each team size, billed monthly, before add-ons and usage charges. Each cost opens that tool's pricing calculator for the team size.
Who Kameleoon and Optimizely suit
| Audience | Kameleoon | Optimizely |
|---|---|---|
| E-commerce | 8/10Conversion testing is paired with a premium add-on for product recommendations, merchandising, and search. | 7/10The Commerce product and personalization serve large online retailers. |
| Small Business | 3/10Starter costs 495 USD per month with limited traffic, which is hard for small teams to justify. | 2/10Opaque, high pricing and a complex setup put it out of reach for most small businesses. |
| Developers | 7/10It supports server-side testing, feature flags, and editable generated code, though reviewers note setup can depend on developers. | 7/10It offers an API-first CMS, SDK-based feature flags and server-side testing. |
| Enterprise | 9/10The Enterprise plan offers unlimited traffic, SSO, data residency, on-premise setup, and dedicated CSM and TAM support. | 9/10Custom enterprise pricing, a broad product suite, and SSO limited to higher packages all show it is built for large organizations. |
| Marketing Teams | 8/10Web A/B testing, personalization, and AI-built experiments let marketers run tests with less coding. | 8/10Marketers get experimentation, personalization, CMS and a content marketing platform in one suite. |
| Product Teams | 8/10Feature flags, progressive rollouts, and server-side feature experimentation support product release testing. | 8/10Feature Experimentation offers server-side testing and feature flags for product releases. |
Which One Should You Choose?
Why choose Kameleoon
- Has a free plan (Optimizely does not)
- Higher Support score (8/10 vs 6/10)
- Higher Cost score (3/10 vs 2/10)
Why choose Optimizely
- Higher Integration score (8/10 vs 7/10)
- Higher Scalability score (9/10 vs 8/10)
Pros & Cons
Kameleoon
Pros
- The PBX AI agent can turn a URL and a plain-language prompt into a full experiment, with the code still editable.
- Strong statistical safeguards, including sequential testing, SRM detection, multiple testing correction, and bandits.
- Enterprise security: ISO 27001 and SOC 2, GDPR, CCPA, and HIPAA support, plus data residency and on-premise options.
- Reviewers on G2 and TrustRadius often praise customer support.
- Web testing and feature flags are both available on one platform.
Cons
- The 495 USD per month entry price is higher than VWO or Convert, according to Toolradar.
- Starter is capped at 10 experiments and 50,000 MTUs, and experiments stop running when the quota is reached.
- Many capabilities, such as personalization, feature experimentation, and the code editor, are paid add-ons on Starter.
- G2 reviewers cite a learning curve and dependence on developers.
- Add-on and Enterprise prices are not published.
Optimizely
Pros
- One of the most mature A/B testing tools, with client-side, multi-page and server-side testing backed by its own Stats Engine.
- Experimentation, CMS, commerce, a content marketing platform and a CDP come from one vendor, which cuts down on stitching tools together.
- Reviewers cite a large third-party integration ecosystem as a strength.
- Data Platform segments use predictive scores for purchase likelihood, churn and lifetime value, and can be activated directly in tests.
- Security program includes SAML SSO, two-step verification, annual third-party penetration tests and a bug bounty.
Cons
- No public pricing. Reviewers on G2 and TrustRadius call it expensive and the quotes opaque.
- Reviewers mention a learning curve and difficult navigation, especially in the CMS interface.
- Implementation can take weeks or months, according to comparison articles.
- SSO is limited to certain packages.
- Too heavy for teams that only need simple website A/B tests.
Not sold on either?
Frequently Asked Questions
Kameleoon scores higher on our AI Software criteria: 6.8/10 against 6.6/10 for Optimizely. The largest gap is in Support: 8/10 for Kameleoon and 6/10 for Optimizely.
Kameleoon has a free plan; Optimizely does not list one.
