100 Best A/B Testing Apps for Solo Founders and Small Teams
A/B testing tools help small teams replace assumptions with structured experiments. This first group covers established platforms for web, product, landing-page, and lifecycle-marketing testing.
Optimizely
Optimizely runs controlled experiments across websites, applications, and product experiences using audience targeting and variation delivery. It helps teams validate conversion changes when guessing which page or product version will perform better.
VWO
VWO provides web experimentation, personalization, behavioral insights, and deployment tools for optimizing digital customer journeys. It addresses uncertainty around website friction by testing alternative designs, copy, and user flows.
AB Tasty
AB Tasty supports web experimentation, feature management, personalization, and audience segmentation for digital product teams. It helps teams safely compare experience changes without permanently committing unproven updates to every visitor.
Adobe Target
Adobe Target delivers A/B tests, multivariate tests, and personalization across web, mobile, and other digital channels. It helps organizations tailor and test customer experiences when broad, one-size-fits-all changes underperform.
Kameleoon
Kameleoon offers web experimentation, feature experimentation, personalization, and targeting tools for digital teams. It reduces the risk of product releases by measuring feature variants against defined business outcomes.
Convert Experiences
Convert Experiences is a web experimentation platform for A/B tests, split URL tests, and personalization. It helps marketers identify stronger page versions when conversion decisions rely on opinions rather than evidence.
Dynamic Yield
Dynamic Yield provides experimentation and personalization tools for web, mobile, email, and other customer touchpoints. It helps teams test recommendations and content variations when different audiences respond to different experiences.
SiteSpect
SiteSpect conducts server-side and client-side experiments without requiring page tags for many implementations. It helps technically complex sites test backend and frontend changes while maintaining greater implementation control.
LaunchDarkly
LaunchDarkly manages feature flags and supports experimentation by exposing product variations to selected audiences. It helps engineering teams avoid all-or-nothing launches by gradually testing features with real users.
Statsig
Statsig provides feature flags, product experimentation, analytics, and session replay for software product development. It helps product teams measure feature impact when release decisions lack reliable behavioral data.
Eppo
Eppo is an experimentation platform that connects controlled tests with an organization’s existing data warehouse. It helps data-focused teams analyze experiments using trusted warehouse data instead of disconnected measurement systems.
GrowthBook
GrowthBook offers open-source feature flagging and experimentation tools for product teams and data workflows. It helps teams run controlled releases when they need flexible experimentation infrastructure and data ownership.
PostHog
PostHog combines product analytics, feature flags, experiments, session replay, and user feedback tools. It helps small teams connect experiment results to product behavior without stitching together several analytics tools.
Amplitude Experiment
Amplitude Experiment enables feature experiments and analyzes results alongside product analytics and user behavior. It helps product managers evaluate changes when conversion metrics need behavioral context from analytics data.
Mixpanel
Mixpanel provides product analytics and supports experimentation analysis through tracked events, cohorts, and funnels. It helps teams understand variant performance when they need to inspect user actions beyond headline metrics.
Crazy Egg
Crazy Egg offers A/B testing alongside heatmaps, recordings, and website behavior analysis tools. It helps website owners prioritize test ideas by showing where visitors click, scroll, and abandon pages.
Unbounce
Unbounce lets marketers build landing pages and run A/B tests on page variants. It helps campaign teams improve lead capture when paid traffic reaches underperforming landing pages.
Instapage
Instapage creates landing pages and supports experimentation for comparing conversion-focused page variations. It helps advertisers test post-click experiences when message matching and conversion rates need improvement.
Leadpages
Leadpages provides landing-page building and split-testing capabilities for lead generation campaigns. It helps small businesses refine opt-in pages when they need more leads from existing traffic.
HubSpot
HubSpot supports A/B testing for certain marketing assets, including emails and landing pages. It helps marketing teams compare campaign elements when contact engagement and conversion performance vary.
Mailchimp
Mailchimp provides email A/B testing for campaign elements such as subject lines and content. It helps senders improve email engagement when they are unsure which message resonates with subscribers.
Klaviyo
Klaviyo supports A/B testing for email and SMS campaign content within its marketing automation platform. It helps ecommerce teams refine retention messages when customer segments respond differently to promotions.
ActiveCampaign
ActiveCampaign offers email campaign split testing and automation tools for testing marketing messages. It helps businesses improve nurture campaigns when they need evidence about effective email content.
Brevo
Brevo supports A/B testing for email campaigns, including subject lines and message content. It helps marketers choose stronger email variants when limited sending capacity makes each campaign matter.
Omnisend
Omnisend provides ecommerce marketing automation with A/B testing for email campaign variations. It helps online stores optimize promotional messages when email revenue depends on relevant customer communications.
Firebase A/B Testing
Firebase A/B Testing compares app configurations and measures outcomes using integrated Google Analytics event data. It helps mobile teams choose feature settings without relying on assumptions about user behavior.
Zoho PageSense
Zoho PageSense tests website variations, tracks visitor behavior, and supports conversion-focused optimization workflows. It helps marketers identify page changes that reduce friction in important website conversion paths.
Oracle Maxymiser
Oracle Maxymiser supports web experimentation, audience targeting, and personalized digital experiences across customer journeys. It helps enterprise teams test personalized website experiences instead of deploying broad changes blindly.
Monetate
Monetate provides testing and personalization tools for tailoring ecommerce experiences to different shopper audiences. It helps retailers determine which merchandising and experience changes encourage shoppers to complete purchases.
Omniconvert Explore
Omniconvert Explore enables A/B testing, segmentation, and survey-driven optimization for ecommerce websites. It helps ecommerce operators connect conversion experiments with customer feedback and audience segments.
Convertize
Convertize offers website A/B testing and conversion optimization tools with automated traffic allocation options. It helps small teams test landing-page ideas without manually managing every variation's visitor allocation.
FigPii
FigPii combines A/B testing with heatmaps, session recordings, polls, and usability research tools. It helps website owners understand why a variation performs differently, not merely which one wins.
ABsmartly
ABsmartly is an experimentation platform for running feature tests across web, mobile, and backend systems. It helps product teams coordinate reliable experiments when changes span multiple technical environments.
Evolv AI
Evolv AI tests combinations of digital experience changes to find higher-performing customer journey variants. It helps teams explore many page-change combinations that would be difficult to test manually.
Taplytics
Taplytics provides feature experimentation, A/B testing, and personalization tools for mobile and web applications. It helps product teams validate app changes before committing them to every user.
Intelligems
Intelligems helps Shopify merchants test pricing, shipping offers, promotions, and storefront content. It helps merchants evaluate revenue-sensitive changes before permanently altering their ecommerce storefronts.
Shoplift
Shoplift lets Shopify merchants build and A/B test landing-page variations without duplicating themes. It helps ecommerce teams test campaign landing pages while avoiding time-consuming theme development work.
SplitMetrics Optimize
SplitMetrics Optimize tests app-store listing elements such as screenshots, icons, and promotional text. It helps app marketers improve store-page conversion before investing heavily in acquisition campaigns.
StoreMaven
StoreMaven provides app-store optimization research and testing for mobile app listing creative. It helps mobile growth teams learn which listing messages persuade potential installers most effectively.
Google Ads Experiments
Google Ads Experiments compares campaign settings, bidding strategies, and other advertising changes in Google Ads. It helps advertisers assess campaign adjustments using structured comparisons rather than account-wide guesswork.
Meta Ads Manager
Meta Ads Manager includes experimentation tools for comparing advertising audiences, creative, and campaign approaches. It helps marketers isolate whether audience or creative changes improve advertising results on Meta platforms.
LinkedIn Campaign Manager
LinkedIn Campaign Manager supports campaign testing for comparing advertising creatives, audiences, and targeting strategies. It helps B2B marketers refine LinkedIn campaigns without changing every active campaign at once.
Amazon Ads
Amazon Ads offers experiments for comparing certain ad campaign settings and retail advertising approaches. It helps marketplace sellers evaluate advertising changes while limiting disruption to ongoing campaigns.
TikTok Ads Manager
TikTok Ads Manager provides A/B testing tools for evaluating creative, targeting, and optimization choices. It helps advertisers determine which short-form ad approach resonates with their intended audience.
CleverTap
CleverTap enables A/B testing for customer engagement campaigns across mobile, web, email, and messaging. It helps retention teams compare campaign messages before sending a single version to everyone.
WebEngage
WebEngage supports A/B testing for multichannel customer journeys, notifications, and marketing campaign content. It helps lifecycle marketers improve engagement sequences through measured message and timing comparisons.
OneSignal
OneSignal offers A/B testing for push notifications, in-app messages, and email campaign content. It helps teams identify notification wording and delivery choices that prompt more user action.
Braze
Braze supports testing message variants and journey components across customer engagement channels. It helps customer engagement teams refine lifecycle communications without relying solely on intuition.
Customer.io
Customer.io lets teams test message content and workflow variations within automated customer communication campaigns. It helps lean marketing teams improve automated messages while preserving targeted customer journey logic.
GetResponse
GetResponse includes email A/B testing for comparing subject lines, content, and delivery-time variations. It helps email marketers improve campaign engagement by testing specific message elements systematically.
MailerLite
MailerLite lets marketers compare email campaign variants, including subject lines and content, before selecting winners. It helps teams improve open or click performance when one email version feels uncertain.
Campaign Monitor
Campaign Monitor supports A/B testing for email campaign subject lines and other message elements. It helps marketers resolve uncertainty about which subject line will earn more opens.
Drip
Drip enables A/B testing for email broadcasts, comparing different subject lines and message content. It helps ecommerce teams identify stronger broadcast messaging without relying solely on intuition.
Iterable
Iterable provides experimentation tools for comparing campaign variations across email, push, and in-app channels. It helps lifecycle teams coordinate tests across channels instead of evaluating messages in isolation.
MoEngage
MoEngage allows marketers to A/B test campaign messages, delivery timing, and audience experiences across channels. It helps retention teams determine which engagement approach better motivates customer action.
Airship
Airship enables A/B testing of mobile messaging campaigns, including push notification copy and timing. It helps mobile teams improve notification engagement when competing message ideas need validation.
Mailjet
Mailjet lets users run A/B tests on email content and subject lines within campaigns. It helps email senders choose campaign creative using recipient behavior rather than internal preference.
Swrve
Swrve supports A/B testing for mobile app experiences and customer messaging campaigns. It helps product teams validate mobile engagement changes before broadly applying them to users.
Pushwoosh
Pushwoosh offers A/B testing for push notifications, comparing message variants to guide campaign decisions. It helps marketers avoid repeatedly sending unproven push copy to their entire audience.
ConvertFlow
ConvertFlow builds personalized website funnels and supports split testing of forms, calls to action, and pages. It helps founders improve lead capture when onsite funnels produce inconsistent conversion results.
OptiMonk
OptiMonk creates onsite popups and supports A/B tests for messages, designs, and targeting approaches. It helps website operators refine popup campaigns without guessing which variation visitors prefer.
Justuno
Justuno builds conversion popups and provides testing tools for comparing onsite promotion variants. It helps ecommerce stores assess competing offers before committing valuable traffic to one promotion.
Wisepops
Wisepops creates onsite campaigns and lets users test popup variations and audience targeting. It helps marketers reduce ineffective interruptions by comparing popup experiences for different visitor groups.
Sleeknote
Sleeknote builds website popups and supports split testing to refine campaign designs and messages. It helps teams improve onsite conversion prompts when design and copy choices remain contested.
Thrive Optimize
Thrive Optimize adds A/B testing to WordPress landing pages, tracking conversions across page variations. It helps WordPress site owners select higher-converting page designs without manually rotating versions.
Nelio A/B Testing
Nelio A/B Testing enables WordPress users to test page, post, and headline variations against conversion goals. It helps publishers validate content presentation changes when clicks or signups are underperforming.
Split Hero
Split Hero creates WordPress split tests by rotating page variants and tracking conversion outcomes. It helps marketers compare landing-page changes without duplicating complicated traffic-routing workflows.
AB Press Optimizer
AB Press Optimizer adds split testing for WordPress pages, posts, and calls to action. It helps WordPress users test conversion ideas without rebuilding their website on another platform.
Wasabi
Wasabi provides feature flags and experimentation controls for releasing and comparing product variations. It helps software teams evaluate new functionality with controlled exposure instead of all-at-once releases.
Split
Split provides feature flags and experimentation tools for measuring how software changes affect users. It helps engineering and product teams connect release decisions with observed user outcomes.
DevCycle
DevCycle manages feature flags and percentage rollouts, helping teams expose different product versions. It helps developers reduce release risk by limiting access to changes while gathering feedback.
ConfigCat
ConfigCat supplies feature flags and targeting rules for controlled rollouts of application changes. It helps small engineering teams test releases with selected users before wider deployment.
Flagsmith
Flagsmith offers feature flags and remote configuration for selectively delivering application features. It helps teams alter feature access without repeatedly deploying code to every customer.
Unleash
Unleash manages feature flags with strategies for gradual, targeted software releases. It helps engineering teams compare rollout approaches while retaining control over feature availability.
Harness Feature Flags
Harness Feature Flags provides controlled feature delivery and targeting for testing application changes. It helps teams limit exposure to uncertain releases and quickly adjust access when issues arise.
Apptimize
Apptimize runs mobile app experiments, feature rollouts, and targeted experiences across iOS and Android. It helps product teams validate app changes without releasing the same experience to every user.
SiteGainer
SiteGainer provides visual website A/B testing, personalization, heatmaps, and conversion tracking tools. It helps marketers compare page variations without relying on developers for every website test.
Mida
Mida is a no-code platform for creating website A/B tests and conversion experiments. It helps lean teams test landing-page ideas quickly when engineering resources are limited.
ABtesting.ai
ABtesting.ai uses artificial intelligence to generate and test website variation ideas automatically. It helps teams overcome the bottleneck of deciding which page changes deserve experimental traffic.
Conductrics
Conductrics delivers adaptive experimentation and personalization using decisioning models across digital customer journeys. It helps businesses tailor experiences while measuring whether different treatments improve customer outcomes.
Webflow Optimize
Webflow Optimize enables teams to test website variations and review experiment performance within Webflow. It helps website owners avoid fragmented publishing workflows when testing content and design changes.
Personizely
Personizely creates website personalization campaigns, popups, and A/B tests for ecommerce and lead generation. It helps stores test targeted onsite messages instead of showing identical promotions to every visitor.
Poptin
Poptin builds popups, forms, and autoresponders, with testing options for optimizing onsite campaigns. It helps marketers identify which popup messaging captures more subscribers without guessing at conversions.
Picreel
Picreel creates exit-intent popups, forms, and targeted campaigns with A/B testing capabilities. It helps sites reduce abandoned sessions by testing offers before visitors leave their pages.
Nosto
Nosto provides ecommerce personalization, product recommendations, merchandising, and testing for online storefronts. It helps retailers evaluate merchandising changes without broadly deploying unproven shopping experiences.
Bloomreach Engagement
Bloomreach Engagement combines customer data, campaign orchestration, personalization, and experimentation for digital commerce. It helps teams test journey changes using customer data rather than disconnected channel-level assumptions.
Insider
Insider supports cross-channel customer journeys, personalization, and experimentation across web, mobile, and messaging. It helps growth teams compare customer experiences consistently across channels instead of testing them separately.
Netcore Cloud
Netcore Cloud offers customer engagement, personalization, analytics, and experimentation for digital product teams. It helps teams test campaign and product experiences while connecting results to customer behavior.
Google Play Console
Google Play Console lets Android developers run store listing experiments for app icons, screenshots, and descriptions. It helps developers improve store conversion by testing listing assets before committing to one presentation.
App Store Connect
App Store Connect supports Product Page Optimization experiments for App Store product page variants. It helps iOS developers test screenshots, previews, and icons to improve app discovery conversion.
Amazon Seller Central
Amazon Seller Central includes Manage Your Experiments for testing eligible product listing content on Amazon. It helps eligible sellers compare listing content changes while preserving a controlled measurement process.
Zipify Pages
Zipify Pages builds Shopify landing pages and supports split testing for page variants. It helps Shopify merchants test sales-page changes without manually rebuilding pages or altering themes.
Neat A/B Testing
Neat A/B Testing is a Shopify app for testing product pages, themes, and storefront variations. It helps merchants determine whether storefront edits improve sales before applying them sitewide.
Algolia
Algolia provides hosted search and discovery tools, including experiments for comparing relevance configurations. It helps ecommerce teams test search ranking changes without exposing every shopper to unverified results.
Constructor
Constructor provides ecommerce search, browse, recommendations, and experimentation tools for online retailers. It helps merchandising teams measure search and discovery changes against conversion-focused business metrics.
Constant Contact
Constant Contact offers email marketing tools with A/B testing for subject lines and campaign variations. It helps small businesses improve email engagement by comparing messages before choosing a winner.
AWeber
AWeber provides email marketing, automations, signup forms, and split testing for email campaigns. It helps creators test email content variations instead of relying solely on intuition about subscribers.
Kit
Kit provides creator-focused email marketing, automations, landing pages, and email subject-line A/B testing. It helps creators improve opens by comparing subject lines among defined portions of their audience.
beehiiv
beehiiv is a newsletter platform offering publishing, audience growth tools, analytics, and A/B testing. It helps newsletter operators test headlines and sends while maintaining a single publishing workflow.
Campaigner
Campaigner provides email marketing automation, segmentation, and A/B testing for campaign content and timing. It helps marketers identify stronger email approaches using measured subscriber responses rather than assumptions.
The remaining entries will expand the selection with additional testing tools for product teams, ecommerce operators, and campaign-focused marketers.