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Join Leading Brands across 50+ countries
Using BlockSurvey to protect their respondents' privacy, increase their survey completion rates, get better community feedback, and build better organizations.
A/B Test Your Ideas. Let Your Audience Decide What Actually Works.
BlockSurvey's built-in A/B testing lets you show different variants to different respondents, automatically. No manual splitting. No spreadsheet juggling. Just clear, side-by-side results that tell you which version performs better.
Trusted by leading brands for secure, privacy-first surveys
Why Choose BlockSurvey for A/B Testing Surveys?
Stop Guessing, Start Measuring
Test messaging, question wording, or stimulus content on a real audience before a campaign, product launch, or research publication. Make the call with data, not opinion.
Each Respondent Sees One Variant
Variants are assigned automatically and remembered through local storage, ensuring returning respondents always see the same variant. Keeping your data clean, consistent and reliable.
Results You Can Read at a Glance
Responses are tagged per variant and displayed in a side-by-side results table. No manual cross-tabulation. No exporting to another tool. The comparison is built right in.
How BlockSurvey A/B Testing Works?
Step 1: Create Your Variants
Select A/B Testing from the question types under Market Research. Add the variants you want to test — text, images, or embedded video. Each variant is labelled and kept separate from your follow-up questions.
Step 2: Add Your Follow-Up Questions
After the variant, add any question type you need — rating, multiple choice, open text, and more. Every respondent sees the same follow-up questions, so the only variable is the stimulus they were shown.
Step 3: Publish and Distribute
Share your survey as usual. BlockSurvey automatically assigns each respondent to one variant at the browser level, and consistently shows the same variant on every visit. No manual audience splitting required.
Step 4: Compare Results in Analytics
The analytics screen shows how many respondents saw each variant and how they answered every follow-up question, all visualised as charts. Compare which variant performed better, at a glance.
How Teams Can Use A/B Testing?
Marketing: Test Copy Before You Commit
Run a split test on taglines, CTAs, or product descriptions before a campaign goes live. Show each variant to a real audience segment, follow up with reaction questions, and pick the version that performs — not the one that feels right in the meeting room.
UX Research: Understand How Wording Changes Behaviour
The way a question is phrased changes how people answer it. UX researchers use Question Text A/B testing to measure how different framings affect responses, catching bias before it skews your findings.
Academic Research: Controlled Stimulus Testing
Show different stimuli to different participant groups without exposing them to both versions. Each participant sees one variant, responses are tagged automatically, and the comparison is built into the results — no post-hoc data cleaning needed.
Product Teams: Validate Messaging Before Launch
Test how different ways of describing a feature land with your target audience. Run a Text A/B test, follow up with comprehension and appeal questions, and go to market with the messaging that actually works.
NFT Collection: Test Before You Drop
Before launching your NFT collection, test which artwork, name, or concept resonates most with your community. Show different variants to your audience, collect their reactions, and drop the version that generates the strongest response, not the one that looks best in the team chat.
Product Teams: Validate Messaging Before Launch
Before setting your pricing page live, test how different ways of presenting the same price land with buyers. 'Save 40%' vs 'Get 2 months free', the numbers are identical but the reaction isn't. A/B test the framing, measure purchase intent, and lead with what actually moves people.
Pricing
Start free. Upgrade when your research outgrows it. Every plan keeps end-to-end encryption and full data ownership.
Standard
$49$39/mo
Unlimited surveys with AI-powered creation, end-to-end encryption, and core privacy protections.
- Most popular
Premium
$99$79/mo
Everything in Standard, plus AI follow-up questions, custom branding, audience management, and custom survey links.
Team
$149$119/mofor 3 users
Everything in Premium, plus AI data analysis, market research question types, campaigns, and compliance essentials.
Enterprise
Let’s Talk
For organizations that need scale, security, SSO, white-label control, and personalized onboarding.
Pre-Built A/B Testing Survey Templates
What people say
Join 500+ happy customers worldwide who are already using our amazing product.
Beyond Surveys—A Truly Multi-Purpose Tool
This platform goes far beyond basic surveys. I’ve used it for lead generation, landing page enrichment, and even embedded videos. Everything’s easy to use, well documented, and super flexible—whether you're building forms, quizzes, or something more advanced.
Martin G.Créateur de la Méthode RashōmonUI/UX is great and fast API processing
I think BlockSurvey is good for short and long surveys. What I find the best is the fact that there are so many templates I can use and customize.
Ankit M.AI Analyst Team LeadAI form builder for top security and data privacy
Uses end-to-end encryption technology that allows users to create survey forms where data is secure and private. UI looks very beautiful.
Lou F.Creative VisionaryNothing Like It — BlockSurvey Is in a League of Its Own!
From end-to-end encryption-level security and AI-generated questions to powerful logic flows and white-label domains, BlockSurvey has it all. It’s secure, innovative, and packed with features like calculations, templates, and in-app analytics. I use it to create personalized assessments for leadership training—nothing else compares.
Kim B.Founder/ President - International Leadership TrainerSurvey and Forms for Privacy and Security
BlockSurvey puts privacy and security above anything else. The use of end-to-end encryption is not a gimmick as in many products; it's a core feature enabling privacy and security. The survey building tools are impeccable. I've used numerous SaaS survey tools, and nothing comes close.
Trevor L.Chief Information Security Officer (CISO)Effortless and Secure Data Collection with Web3 Touch
BlockSurvey is very user-friendly with amazing customization options. It makes capturing data simple and secure. While the Web3 space still has room to mature, the platform itself is smooth and intuitive.
Ali S.Founder, Small- BusinessUnmatched Security & Stunning Response Rates
Few tools combine data confidentiality and form aesthetics like this one. The conversational design improved my response rate by 43%, and the webhook integrations made syncing to our CRM effortless. I also love how responsive and community-driven the support team is.
Kris R.Group Automation ManagerPowerful custom surveys
Creating surveys with BlockSurvey has been a breeze. The drag-and-drop interface is intuitive, and we’re able to collect data anonymously and securely—without intermediaries. It’s interactive, friendly, and encourages high participation while protecting user privacy. The reports are solid, and we’ve used it confidently for internal and external feedback.
Liz D.IT Support SpecialistPrivate, Beautiful Surveys That Build Trust
For our NGO, data privacy is everything—and this platform nails it. It keeps personal info fully protected while letting us design beautiful, chat-like surveys that increase engagement. Team collaboration features sealed the deal.
Luis Noel D.Director ComercialRecognized by the People Who Use Us
Secure by Design - It's for Everyone
Security isn't an afterthought for us; it's a cornerstone. BlockSurvey meets and exceeds industry-leading standards, including ISO 27001, SOC2, FERPA, HIPAA and GDPR, to keep your data safe.
Frequently asked questions
- A/B testing in surveys means showing different variants of a question, image, or message to different respondents and comparing which version gets a better response. In BlockSurvey, each respondent is randomly assigned to a variant when they open the survey, and returning respondents consistently see the same variant.
Stop Guessing. Start Testing.
Join 500+ companies across 50+ countries who use BlockSurvey to make decisions backed by real respondent data.
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