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Best 4 A/B Testing tools in 2026
"Zoho Campaigns-Email Marketing", "Expandi", "Leadpages", "PostHog" are some of the A/B Testing tools we track today, each verified for real availability and pricing.
Split testing and experimentation platforms.
Cloud-based LinkedIn outreach automation for connection requests, behavior-based smart sequences, and omnichannel follow-ups, with account-safety tooling and multi-account workspaces.
What is Expandi?
Expandi is a LinkedIn automation and outreach tool built by LeadExpress B.V. that helps sales teams, agencies, and recruiters scale connection requests (300+ per week), follow-ups, and meeting booking. Its Smart Campaigns builder uses branching conditions so each sequence adapts to a prospect behavior (accepts, replies, engagement), and omnichannel follow-up extends across email and LinkedIn with optional personalized video and GIF messaging. For teams it offers multi-account workspaces, role and permission management, and white-labeling on the agency plan. The company emphasizes account safety with a dedicated country-based IP per account, automatic warm-up, and recommended daily limits, and it supports consented prospect data, native CRM integrations, webhooks, and campaign A/B testing. Its online reputation is strong, with multiple review badges on G2.
Expandi's Core Features
- LinkedIn connection requests, follow-ups, and InMail within recommended daily limits
- Smart Campaigns with drag-and-drop branching conditions based on prospect behavior
- Omnichannel follow-up across LinkedIn and email from any provider
- Campaign A/B testing and unlimited campaigns
- Multi-account workspaces with roles, permissions, and a unified dashboard
- White-labeling on the agency plan
Pros
- + Cloud-based (not a browser extension) with a dedicated IP per account
- + Strong agency and team features: workspaces, white-label, granular permissions
- + Behavior-based if-then branching adapts outreach in real time
- + Well-reviewed on G2 with multiple review badges
Cons
- – Not an official LinkedIn product, so use carries inherent platform-account risk
- – Effective volume is capped by LinkedIn connection limits regardless of tool features
- – Video and GIF personalization is a paid add-on
Best suited for
SDR and sales teams, Lead-generation agencies, Recruiters
AI landing page builder that turns a campaign prompt into a live, on-brand page in about 60 seconds, then optimizes it with built-in A/B testing, Smart Traffic, and heatmaps.
What is Leadpages?
Leadpages is an AI landing page builder and conversion platform. Describe a campaign and it generates a branded page (headline, layout, form, images) in about 60 seconds, then hands over a drag-and-drop editor with your brand kit applied. Beyond single pages it builds full marketing websites and blogs, embeds Stripe checkout for e-commerce, and sends leads to HubSpot, Salesforce, Mailchimp, Klaviyo, and 200+ other tools. Its differentiator is post-publish optimization: continuous A/B testing, Smart Traffic that routes each visitor to the best-converting variant, click and scroll heatmaps, and visitor personalization. The company reports 400K+ customers since 2012, 9.1M+ leads captured monthly, and no traffic caps on any plan.
Leadpages's Core Features
- AI page creation from a campaign prompt to a live branded page in about 60 seconds
- Drag-and-drop editor with an auto-applied brand kit
- Built-in A/B testing, Smart Traffic visitor routing, and click/scroll heatmaps
- 200+ integrations (HubSpot, Salesforce, Mailchimp, Klaviyo, Google Ads, Meta, Stripe, Shopify, Zapier)
- Marketing websites and blogs on custom domains with free SSL and fast median load times
- Embedded Stripe checkout for products, subscriptions, and digital goods
Pros
- + All-in-one landing page, marketing website, and lead-capture suite
- + No traffic caps and unlimited pages on every plan
- + Continuous self-optimization via automated A/B testing
- + Deep integration ecosystem including major CRMs and ad platforms
Cons
- – Heatmaps, Smart Traffic, and personalization are gated to the Optimize plan and up
- – Web-based only; no native mobile or desktop apps
- – Headline conversion-lift figures are illustrative marketing claims, not guarantees
Best suited for
Small business owners and coaches, Paid-ad and performance marketers, Agencies building client landing pages
What is PostHog?
PostHog is a product analytics platform offering event analytics, session replay, feature flags, and A/B testing. Its open-source community edition can be self-hosted, and the cloud offering includes a generous free tier.
PostHog's Core Features
- Event analytics
- Session replay
- Feature flags
- A/B testing
- Data warehouses