# Smartlook alternatives — Conversion Optimization As of 4 Nov 2026, the panel rates [GrowthBook (3.5/5)](https://whats-best.ai/software/conversion-optimization/growthbook), [Varify.io (3/5)](https://whats-best.ai/software/conversion-optimization/varify) and [AB Tasty (3/5)](https://whats-best.ai/software/conversion-optimization/ab-tasty) highest among the other 37 Conversion Optimization products evaluated. Ratings that look equal are rounded to half stars; the order uses the unrounded rating, then the name. The highest-rated European alternative is [Varify.io](https://whats-best.ai/software/conversion-optimization/varify) (EU-Made). Ratings are the AI panel’s opinion, formed from public evidence: [how scores are made](https://whats-best.ai/methodology#ordering). - Canonical page: https://whats-best.ai/software/conversion-optimization/smartlook/alternatives - Smartlook: https://whats-best.ai/software/conversion-optimization/smartlook.md - Data as of: 2026-11-04 **AI-generated.** Ratings and verdicts are the opinion of a panel of AI judges, formed from public evidence against a published rubric — an analysis, not a hands-on test. Listed by panel rating (products the panel could not rate follow alphabetically); no placement is for sale. How lists are ordered: https://whats-best.ai/methodology#ordering ## European alternatives to Smartlook - [Varify.io](https://whats-best.ai/software/conversion-optimization/varify) · EU-Made · panel rating 3/5 · data hosting: Default not stated; pages mention Germany, Europe and the EU Varify.io is a client-side A/B testing platform from Varify Software GmbH in Grünwald, Germany, and persona-weighted totals range from 5.8 to 6.6. - [Webtrends Optimize](https://whats-best.ai/software/conversion-optimization/webtrends-optimize) · UK / wider Europe · panel rating 3/5 · data hosting: not stated on the vendor’s pages · free plan per the vendor’s page captured 2026-10-19 Webtrends Optimize, a client- and server-side testing and personalisation platform from UK-based Accelerate Group Limited, scores highest on consent and tracking at 7 to 8 and performance impact at 6 to 7. - [Kameleoon](https://whats-best.ai/software/conversion-optimization/kameleoon) · EU-Made · panel rating 2.5/5 · data hosting: not stated on the vendor’s pages Kameleoon SAS of Paris sells conversion optimisation — web and feature experimentation with AI personalisation — and the bench scores it strongest there: experimentation scope, statistical rigour and data and integrations cluster at 7, on A/B, multivariate, server-side and mobile app testing, feature flags, sequential testing, multiple testing correction, automatic sample ratio mismatch detection, CUPED, two-way BigQuery sync and a segment-export API. - [Contentsquare](https://whats-best.ai/software/conversion-optimization/contentsquare) · EU-Made · panel rating 2.5/5 · data hosting: not stated on the vendor’s pages · free plan per the vendor’s page captured 2026-09-22 Contentsquare enters this category as an experience-analytics suite with testing attached, and the scores follow that shape. - [ABsmartly](https://whats-best.ai/software/conversion-optimization/absmartly) · EU-Made · panel rating 2/5 · data hosting: not stated on the vendor’s pages ABsmartly B.V. - [Omniconvert](https://whats-best.ai/software/conversion-optimization/omniconvert) · EU-Made · panel rating 2/5 · data hosting: not stated on the vendor’s pages · free plan per the vendor’s page captured 2026-09-22 Omniconvert, an A/B testing and personalisation platform from Omniconvert SRL of Bucharest, is strongest on experimentation scope, scored 6 with no spread: unlimited A/B/n, split URL and multivariate tests through a Chrome visual editor or code editor, 40+ segmentation parameters, personalisation and mutually exclusive experiments, all documented client-side. - [trbo](https://whats-best.ai/software/conversion-optimization/trbo) · EU-Made · panel rating 1.5/5 · data hosting: Default not stated; pages mention the EU, Germany and Belgium trbo is an onsite personalisation and testing platform from trbo GmbH in Munich. - [Frosmo](https://whats-best.ai/software/conversion-optimization/frosmo) · EU-Made · panel rating 1.5/5 · data hosting: not stated on the vendor’s pages Frosmo is a personalisation and A/B testing platform for e-commerce from Frosmo Technologies Oy of Helsinki. ## Other alternatives - [GrowthBook](https://whats-best.ai/software/conversion-optimization/growthbook) · Rest of world · panel rating 3.5/5 · free plan per the vendor’s page captured 2026-10-19 GrowthBook is a warehouse-native platform for experimentation, feature flags and product analytics from GrowthBook, Inc. - [AB Tasty](https://whats-best.ai/software/conversion-optimization/ab-tasty) · provenance unknown · panel rating 3/5 Data and integrations is AB Tasty's strongest criterion at 6-7, five of six judges at 7: daily exports to BigQuery, Redshift and Snowflake, a Data Explorer API covering all collected data under a monthly quota, and a public API with role-based, revocable keys. - [Convert Experiences](https://whats-best.ai/software/conversion-optimization/convert-experiences) · Rest of world · panel rating 3/5 Convert Experiences is a privacy-positioned A/B testing platform from Convert Insights Inc., a Delaware-incorporated vendor whose captured pages state that experiment and visitor data sits on servers in Frankfurt, Germany. - [Statsig](https://whats-best.ai/software/conversion-optimization/statsig) · Rest of world · panel rating 3/5 Statsig's strengths sit in data and integrations at 8-9, experimentation scope and statistical rigour at 7-8: open-source client and server SDKs, layers and holdouts, sequential testing, automatic CUPED, and Bonferroni and Benjamini-Hochberg corrections, with daily exports of exposures and events to Snowflake, Redshift, S3, BigQuery and Databricks so results can be re-checked in your warehouse. - [VWO](https://whats-best.ai/software/conversion-optimization/vwo) · Rest of world · panel rating 2.5/5 · free plan per the vendor’s page captured 2026-11-02 VWO, by Wingify Software Pvt. - [Eppo](https://whats-best.ai/software/conversion-optimization/eppo) · Rest of world · panel rating 2.5/5 Eppo — warehouse-native experimentation, now Datadog Experiments — scores best where its architecture is concrete: data and integrations at 7 to 9, experimentation scope at 7 to 8, statistical rigour at 7. - [PostHog](https://whats-best.ai/software/conversion-optimization/posthog) · Rest of world · panel rating 2.5/5 · free plan per the vendor’s page captured 2026-09-22 PostHog comes to this bench as a code-first experimentation product inside a product analytics suite, with persona-weighted totals from 4.3 to 4.8. - [Crobox](https://whats-best.ai/software/conversion-optimization/crobox) · provenance unknown · panel rating 2/5 Crobox B.V. - [Monetate](https://whats-best.ai/software/conversion-optimization/monetate) · Rest of world · panel rating 2/5 Monetate, Inc., a USA-based experience optimization platform, earns its highest marks on experimentation scope and performance impact, where scores cluster at 5-6: the documentation covers A/B, multivariate and dynamic testing, automated personalisation and a server-side Engine API, and the flicker documentation is unusually candid — only the synchronous tag supports content masking, while a server-side path is said to eliminate flicker completely. - [Leadpages](https://whats-best.ai/software/conversion-optimization/leadpages) · provenance unknown · panel rating 2/5 Leadpages is an AI landing page builder and conversion optimization platform whose tests run on pages published from its own editor. - [Unbounce](https://whats-best.ai/software/conversion-optimization/unbounce) · provenance unknown · panel rating 2/5 The captured pages show a drag-and-drop builder for landing pages, popups and sticky bars with unlimited A/B tests and automatic statistical significance. - [SiteSpect](https://whats-best.ai/software/conversion-optimization/sitespect) · provenance unknown · panel rating 2/5 SiteSpect is a conversion optimization platform whose strongest scored areas are experimentation scope, at 6 to 7, and statistical rigour, at 5 to 6. - [Pathmonk](https://whats-best.ai/software/conversion-optimization/pathmonk) · provenance unknown · panel rating 2/5 Pathmonk is a cookieless conversion-optimization engine on a single client-side snippet. - [Optimizely](https://whats-best.ai/software/conversion-optimization/optimizely) · Rest of world · panel rating 2/5 Optimizely's Web and Feature Experimentation product is judged strongest on data and integrations, at 5-6: captured documentation covers connections to BigQuery, Snowflake, Databricks and Redshift down to service-account setup, feeding warehouse-native analytics on the customer's own data. - [Symplify](https://whats-best.ai/software/conversion-optimization/symplify) · provenance unknown · panel rating 2/5 Symplify Conversion AB is a Stockholm-based conversion optimization suite whose strength is documented client-side testing: experimentation scope scores cluster at 4, crediting A/B/n and split testing, a drag-and-drop editor with a JavaScript and CSS code path, URL and audience targeting, and a personalisation module. - [Landingi](https://whats-best.ai/software/conversion-optimization/landingi) · provenance unknown · panel rating 1.5/5 Landingi is a landing page builder with built-in testing from Landingi Sp. - [OptiMonk](https://whats-best.ai/software/conversion-optimization/optimonk) · provenance unknown · panel rating 1.5/5 · free plan per the vendor’s page captured 2026-09-30 OptiMonk, an AI-driven ecommerce popup builder, drew weighted totals of 3.7 to 4.0 from five judges, while the data protection officer sits at 0.0 with 0 on each criterion. - [Zuko](https://whats-best.ai/software/conversion-optimization/zuko) · provenance unknown · panel rating 1.5/5 Zuko is a form analytics and session replay platform; the bench scores it as a measurement layer, not a testing engine. - [Nosto](https://whats-best.ai/software/conversion-optimization/nosto) · provenance unknown · panel rating 1.5/5 Nosto (Nosto Solutions Oy) is documented as a personalisation platform with A/B/n, split and multivariate testing of Nosto campaigns, with the A/B solution described as powered by Omniconvert. - [Hotjar](https://whats-best.ai/software/conversion-optimization/hotjar) · provenance unknown · panel rating 1.5/5 · free plan per the vendor’s page captured 2026-10-13 The captured pages present Hotjar, merged into Contentsquare, as an experience-analytics platform — heatmaps, session replay, surveys, journeys — whose A/B testing runs through integrations with Optimizely, AB Tasty and Kameleoon, with experimentation scope at 1-2. - [Plerdy](https://whats-best.ai/software/conversion-optimization/plerdy) · provenance unknown · panel rating 1.5/5 Plerdy's captured pages document a client-side A/B testing tool: variants edited through an interface for HTML and CSS tweaks, targeting by device type, country and traffic source, statuses from draft to concluded. - [FullStory](https://whats-best.ai/software/conversion-optimization/fullstory) · provenance unknown · panel rating 1.5/5 FullStory is judged as a behavioural analytics product — session replay, heatmaps, funnels, journey maps — rather than the experimentation platform its conversion-optimization listing might suggest, and the bench found no public information on traffic splitting, variants, a visual editor or a significance method. - [SaleCycle](https://whats-best.ai/software/conversion-optimization/salecycle) · provenance unknown · panel rating 1.5/5 SaleCycle, an end-to-end CRO platform from SaleCycle Limited of Gateshead, England, is strongest on sovereignty, scored 4-6: the pages state data centres within the EU and the UK, a published sub-processor list, a data processing agreement at Schedule 1 of the contract and a Paris office under CNIL — while also stating that personal data may be transferred outside the EU or EEA under GDPR safeguards. - [Crazy Egg](https://whats-best.ai/software/conversion-optimization/crazy-egg) · provenance unknown · panel rating 1.5/5 Crazy Egg, Inc. - [Justuno](https://whats-best.ai/software/conversion-optimization/justuno) · provenance unknown · panel rating 1.5/5 Justuno is a client-side overlay testing tool, with persona-weighted verdicts of 2.2 to 2.9. - [Lucky Orange](https://whats-best.ai/software/conversion-optimization/lucky-orange) · provenance unknown · panel rating 1/5 On the captured pages, Lucky Orange is a behavioural analytics layer — heatmaps, session recordings, funnels, surveys, live chat and a Discovery AI returning answers with linked evidence — not an experimentation platform. - [Mouseflow](https://whats-best.ai/software/conversion-optimization/mouseflow) · provenance unknown · panel rating 1/5 Mouseflow is a behaviour-analytics product — heatmaps, session replay, friction detection, funnels, form analytics and surveys — and the bench's findings split sharply. - [Instapage](https://whats-best.ai/software/conversion-optimization/instapage) · provenance unknown · panel rating 1/5 Instapage is judged as a landing page builder with client-side testing: A/B tests and AI experiments run in a drag-and-drop editor that accepts custom JavaScript, HTML and CSS, and Collections vary pages by audience, location and use case. - [CUX](https://whats-best.ai/software/conversion-optimization/cux) · provenance unknown · panel rating 1/5 CUX is a digital experience analytics platform, and the vendor's own knowledge base states it "is not a tool for creating A/B tests", with setup and traffic distribution assigned to a testing platform, so experimentation scope and statistical rigour both range 0 to 0 — its documented role is analysing experiments through goals, waterfalls and heatmaps. Ratings are out of 5 (the panel's mean, half steps). --- Cite as: whats-best.ai, "Smartlook alternatives — Conversion Optimization", AI panel analysis, as of 2026-11-04. https://whats-best.ai/software/conversion-optimization/smartlook/alternatives