Stop Bots. Protect Your Survey Data.

BlockSurvey's built-in bot prevention automatically blocks spam and automated submissions, protecting your data quality from the moment your survey goes live. No setup. No configuration. Always on.

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End-to-end encrypted
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4.9 Star Rating

Trusted by Leading Brands
for Secure, Privacy-First Surveys

Pepsico
UN Org
City of Columbia
University of South Carolina
Bucknell
Southwestern Michigan College
Brave Browser

Why Choose BlockSurvey for Bot Prevention?

Built-in Bot Protection
Built-in Bot Protection
Bot prevention is enabled by default for all surveys, new and existing. There's nothing to configure and no option to accidentally leave it off. Your surveys are protected from day one.
Genuine Respondents. Clean Data.
Genuine Respondents. Clean Data.
Built-in verification detects and blocks non-human traffic before it reaches your dataset. Every response you see came from a real person, not an automated script.
Minimal Impact on Real Respondents.
Minimal Impact on Real Respondents.
Most respondents won't notice anything. In some cases a quick, lightweight verification step may appear to confirm the user is human, nothing more than that.

How Bot Prevention Keeps Your Survey Data Trustworthy?

  • Better Data Quality
    Better Data Quality
    Bot submissions inflate response counts and introduce junk data. Block them at the source and every response in your dataset is one you can actually use. Cleaner data means faster, more confident analysis, no time wasted filtering out noise.
  • Protect Your Survey Budget
    Protect Your Survey Budget
    Fake responses waste the responses quota you've paid for. Bot prevention ensures every response counted against your plan came from a real person. Also no inflated numbers giving a false sense of completion, you know exactly when you have enough genuine data to act on.
  • Reduce Survey Abuse
    Reduce Survey Abuse
    Bots aren't just random, some are targeted. Competitors, bad actors, or spam networks can flood your survey to corrupt results intentionally. Bot prevention stops abuse before it starts.

How BlockSurvey's Bot Prevention Works?

Built-In CAPTCHA Validation

BlockSurvey uses built-in CAPTCHA validation, running in the background on every survey. It detects and blocks automated bots without requiring manual setup from survey creators or extra steps from respondents.

Built-In CAPTCHA Validation

Automatic Protection Across All Surveys

Bot prevention applies automatically to both new and existing surveys. The moment you publish, protection is active. No toggles, no per-survey configuration, no gaps.

Automatic Protection Across All Surveys

Multi-Layer Detection, Not Just a Checkbox

BlockSurvey uses multiple detection layers running simultaneously, so bots can't bypass one check and slip through. Each layer targets a different type of automated behaviour, making it significantly harder to game the system.

Multi-Layer Detection, Not Just a Checkbox

Choose a plan that's right for you

Join 500+ members who use BlockSurvey to protect their respondents' data and privacy.

No monthly limits with our Yearly Plan. All feature quotas credited upfront!
Standard
Unlimited surveys with 6,000 responses/yr
$49
$
39
/mo

Unlimited surveys
6,000 responses per year
AI-powered survey creation
Collect partial responses
Spam prevention
Duplicate response prevention
Skip and display logic
Respondent notifications
Multi-language survey (100+ languages)
Redirect respondents to a web page
Slack, 2+ integrations
Email support within 48h
Premium
Unlimited surveys with 24,000 responses/yr
$99
$
79
/mo

Everything in Standard +
24,000 responses per year
AI follow-up questionnaire
Add your branding
Watermark branding
Create custom links for surveys
Customize survey metadata
Drop off analytics
1 custom domain. e.g., survey.yourdomain.com
Remove BlockSurvey branding
Audience management
Question and answer piping
Google Sheets, 3+ integrations
Email support within 24h
Team
Unlimited surveys with 60,000 responses/yr
$149
$
119
/mo

Everything in Premium +
60,000 responses per year
AI data analysis
AI Data Encoding
NPS, CSAT, and CES
Market Research Questions
Run a campaign
Data lookup / Embedded Data
3 custom domain. e.g., survey.yourdomain.com
GDPR Compliance(DPA Issued)
HIPAA Compliance(BAA Issued)
MS Power BI, Zendesk, 4+ integrations
Email support within 12h
Free Design and Onboarding Session
Enterprise
For organizations to operate with scalability, control, and security.
Let's Talk

Everything in Team +
Unlimited seats
High-volume
Single Sign-On (SAML)
Free migration
Personalized training & onboarding
Priority feature requests
Priority support

What people say

Join 500+ happy customers worldwide who are already using our amazing product.

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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.

BlockSurvey is a ISO 27001 certified companyBlockSurvey is a SOC 2 certified companyFERPA CompliantHIPPA-CompliantGDPR Compliant

Frequently asked questions

How does BlockSurvey prevent bot submissions?

BlockSurvey uses built-in CAPTCHA validation that runs automatically in the background on every survey. It identifies and blocks non-human traffic — bots and automated scripts — without interrupting genuine respondents.

Do I need to set up bot prevention for each survey?

No. Bot prevention is enabled by default on all BlockSurvey forms and surveys, including existing ones. There is no setup required and no option to disable it.

Will bot prevention affect the experience for real respondents?

Mostly no. Most respondents will complete the survey without noticing anything. In some cases, a brief verification step may appear to confirm the user is human — it takes seconds and does not interrupt the survey flow.

Can I combine bot prevention with other security features?

Yes. Bot prevention works alongside Prevent Duplicate Submission, IP Restriction, Email Verification, Social Media Gating, and Token Gating — giving you layered control over who can respond and how often.

Does bot prevention affect respondent privacy?

No. All responses remain end-to-end encrypted regardless of bot prevention. Verification runs at the session level only — no respondent data is shared with external services.

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