Unlimited email accounts and warmups
AI-powered lead enrichment and personalization
Advanced lead filtering and buying signals
Unibox for managing conversations
Campaign pipeline analytics
Deliverability tools
Cline, CohorticalAI, Mutiny, Coframe Living Images, Crit Design, GetWebsite.Report, Contentable.ai, AdGen AI, Rompt.ai, Yep.so are the best paid / free A/B Testing tools.






A/B testing, also known as split testing, is a randomized experimentation process where two or more versions of a variable (web page, page element, etc.) are shown to different segments of website visitors at the same time to determine which version leaves the maximum impact and drives business metrics. A/B testing is a method to compare two versions of a single variable, typically by testing a subject's response to variant A against variant B, and determining which of the two variants is more effective.
Core Features
|
Price
|
How to use
| |
|---|---|---|---|
Instantly.ai | Unlimited email accounts and warmups |
Growth (Outreach) $37 /mo Unlimited Email Accounts, Unlimited Email Warmup, 1000 Uploaded Contacts, 5000 Emails Monthly, Chat Support
| Instantly.ai allows users to connect unlimited email accounts, find warm leads with advanced filters, enrich and personalize leads with AI prompts, manage conversations across inboxes with Unibox, and track campaign performance with pipeline analytics. Users can also access resources like email outreach templates and a private community for support. |
Photofeeler | Photo testing for business, social, and dating profiles | Users upload photos to Photofeeler, then receive scores on traits like competence, likability, and influence (for business photos) or attractiveness, trustworthiness, and smartness (for dating photos) from other users. Users can earn credits to test their own photos by voting on others' photos. | |
TubeBuddy | SEO tools for keyword research and ranking |
Pro $6.00 per month For Creators starting their YouTube journey and wanting access to new tools for growth. Access to search optimization features, limited access to video engagement tools, guides, insider tips, info, and more.
| Install the TubeBuddy browser extension, authorize it to access your YouTube channel, and then utilize the various tools and features within the YouTube Studio interface to optimize videos, manage content, and analyze performance. |
Outset | AI-moderated interviews | Upload a discussion guide, recruit participants from your own panel or Outset's, and let the AI interviewer conduct and synthesize interviews. The platform provides summaries, themes, and highlight reels instantly. | |
VWO | A/B Testing | VWO allows users to set up A/B tests, multivariate tests, and personalization campaigns on their websites and mobile apps. It also provides behavior analytics tools to understand user behavior and identify areas for improvement. | |
Applitools | Visual AI-powered testing |
Autonomous Free Trial $0 Free for 14 days, Unlimited Users, 20 Concurrent Tests, 25 Autonomous Tests, Unlimited Test Executions
| Applitools can be used by signing up for a free trial or choosing a suitable plan. Users can then leverage the platform's SDKs, codeless recorder, and NLP builder to create tests. The platform supports various integrations with development tools, allowing for seamless integration into existing workflows. Tests can be executed on intelligent infrastructure at scale, and the results can be analyzed using powerful insights and root cause analysis tools. |
Uneed | Daily product discovery |
Skip the waiting line $30 Launch your product on Uneed the day you want. Includes a lifetime backlink.
| Users can browse daily product launches, vote for their favorite products, and submit their own products for promotion. Uneed also offers options to skip the waiting line for product launches by paying a fee. |
Plerdy | Website Heatmap Tool |
Free $0 / Forever Heatmaps (daily limit) 100*, Video sessions 500*, SEO audit 5,000*, Pop-up 100*, E-commerce tracking 100*, Conversions 100*, AI UX Assistant 2*, A/B testing Unlimited, Months of storage 1
| Plerdy can be used by installing a script on your website, which takes about 30 seconds. Once installed, you can access various tools to analyze user behavior, identify areas for improvement, and optimize your website for better conversion rates. The platform offers reports and insights based on user behavior, allowing you to build hypotheses and implement changes. |
Thumblytics | Thumbnail and title testing |
Hobby $19 per month Unlimited testing, 3 test credits per month (Collect up to 150 responses), $8.00 per additional credit, Credits rollover and do not expire, Run up to 1 tests at the same time, Full access to AI Title Generator, Full access to YouTube Preview Tool
| 1. Upload thumbnail and title variants to Thumblytics. 2. Preview them in the YouTube template and show them to real people to collect click data. 3. Analyze the data to pick the highest click-through rate (CTR) thumbnail and title. |
Bind AI | AI Copilot for code generation | Try Now $0 for 3 Days Access to 15+ advanced models | Connect your data sources and applications to Bind AI. Use the built-in editor canvas to generate code, search the web, or write technical content. Integrate with Github for code generation and insights. |

Large Language Models (LLMs)
AI Testing
No-Code&Low-Code
Prompt Engineering
AI Developer Tools
AI API

AI Chatbot
AI Lead Generation
AI Customer Service
AI Marketing
AI API
AI Scheduling
Marketing: Testing email subject lines, ad copy, or landing pages to improve campaign performance
UI/UX Design: Comparing different layouts, color schemes, or navigation structures to enhance user experience
E-commerce: Experimenting with product descriptions, images, or pricing to boost sales and revenue
Content Optimization: Testing headlines, article formats, or multimedia elements to increase engagement and shares
User reviews of A/B testing are generally positive, with many praising its ability to provide data-driven insights and improve key performance metrics. Some users appreciate the ease of implementation and the clear, measurable results. However, others note that A/B testing can be time-consuming and requires careful planning and analysis to yield meaningful results. Some also mention that it may not be suitable for low-traffic websites or for testing complex, multi-faceted changes.
A user visits an e-commerce website and is randomly shown either the original product page (variant A) or a redesigned version (variant B)
The user's interaction with the page, such as time spent, clicks, and purchases, is tracked
The data is analyzed to determine which variant led to higher engagement and sales
To implement A/B testing, follow these steps: 1) Identify the variable to be tested and the goal of the experiment. 2) Create two variants of the variable (A and B). 3) Randomly split the target audience into two groups, each exposed to one variant. 4) Monitor the experiment and collect data on the subject's response to each variant. 5) Analyze the results to determine which variant performed better in terms of the goal. 6) Implement the winning variant and continue to iterate and test for further optimization.
Data-driven decision making
Improved user experience
Increased conversion rates
Reduced bounce rates
Better content engagement
Enhanced return on investment (ROI)







































