Terms of Use and Legal Disclaimer

**Last Updated:** February 21, 2026

Welcome to A/B Test Pro (available at abtestpro.com). By accessing or using our website, statistical calculation tools, and related services (collectively, the "Service"), you agree to be bound by these Terms of Use ("Terms"). If you do not agree to these Terms, you must not access or use the Service.

1. Description of Service

A/B Test Pro provides web-based statistical calculation tools—including A/B test duration calculators, sample size calculators, and statistical significance checkers—designed for digital marketers, product managers, and data analysts.

2. "As-Is" Provision and Disclaimer of Warranties

2.1. Informational Purposes Only: The tools, calculations, and statistical models provided by A/B Test Pro are for informational and educational purposes only.

2.2. No Warranties: THE SERVICE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS. A/B TEST PRO EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

2.3. Accuracy of Models: While we strive to provide useful statistical calculation tools, we do not warrant or guarantee the absolute accuracy, completeness, reliability, or validity of any statistical models, algorithms, or outputs generated by the Service. Variables in real-world testing environments often deviate from theoretical models.

3. Not Professional Advice

The outputs, calculations, and data generated by A/B Test Pro do not constitute professional statistical, financial, legal, or business management advice. You should not act or refrain from acting on the basis of any output from the Service without independently verifying the data and, where applicable, seeking the advice of a qualified professional.

4. Limitation of Liability for Business Decisions

4.1. User Responsibility: You acknowledge and agree that you are solely responsible for any strategic, financial, marketing, or operational decisions you make based on the outputs generated by A/B Test Pro.

4.2. Exclusion of Damages: TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL A/B TEST PRO, ITS FOUNDERS, AFFILIATES, OR AGENTS BE LIABLE FOR ANY INDIRECT, PUNITIVE, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES.

4.3. Specific Exclusions: This comprehensive limitation of liability includes, but is not limited to, damages for:

  • Lost revenue or lost actual or anticipated profits.
  • Failed, underperforming, or miscalculated marketing campaigns.
  • Misallocation of business resources or marketing spend.
  • Loss of goodwill or business reputation.
  • Any other business outcomes resulting from the use or inability to use the Service.

5. Intellectual Property Rights

5.1. Proprietary Algorithms: The algorithms, "black box" calculation models, software, user interface, and overall design of A/B Test Pro are the exclusive property of A/B Test Pro and are protected by intellectual property laws.

5.2. Prohibited Actions: You are strictly prohibited from:

  • Reverse engineering, decompiling, or disassembling the Service or its underlying calculation models.
  • Scraping, framing, or utilizing any automated means (including bots or spiders) to access, copy, or monitor any portion of the Service.
  • Copying, reproducing, or distributing the proprietary statistical methodologies utilized by the Service to create a competing product.

6. Data Privacy and Calculation Inputs

6.1. Processing of Inputs: The Service processes numeric inputs (such as estimated audience sizes, baseline conversion rates, and desired lift) to generate mathematical outputs.

6.2. Retention and Security: While we respect user privacy, A/B Test Pro does not guarantee the retention, storage, or absolute security of any calculation data or numeric inputs entered into the tools. The Service is not intended to serve as a secure system of record for your proprietary business metrics. Users are advised not to input sensitive or personally identifiable information into the calculation fields.

7. Indemnification

You agree to defend, indemnify, and hold harmless A/B Test Pro from and against any claims, liabilities, damages, judgments, awards, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising out of or relating to your violation of these Terms or your use of the Service, including, but not limited to, any business decisions or marketing actions taken based on the Service's outputs.

8. Governing Law and Jurisdiction

8.1. Governing Law: These Terms, and any dispute or claim arising out of or in connection with them or their subject matter, shall be governed by and construed in accordance with the laws of the Province of Ontario and the federal laws of Canada applicable therein, without giving effect to any choice or conflict of law provision or rule.

8.2. Exclusive Jurisdiction: Any legal suit, action, or proceeding arising out of, or related to, these Terms or the Service shall be instituted exclusively in the courts of the Province of Ontario, located in the City of Toronto. You waive any and all objections to the exercise of jurisdiction over you by such courts and to venue in such courts.

9. Modifications to the Service and Terms

We reserve the right to modify, suspend, or discontinue, temporarily or permanently, the Service (or any part thereof) with or without notice. We may also revise these Terms from time to time. The most current version will always be posted on our website. By continuing to access or use the Service after those revisions become effective, you agree to be bound by the revised Terms.

10. Severability

If any provision of these Terms is held by a court of competent jurisdiction to be invalid, illegal, or unenforceable for any reason, such provision shall be eliminated or limited to the minimum extent such that the remaining provisions of the Terms will continue in full force and effect.

11. Entire Agreement

These Terms constitute the sole and entire agreement between you and A/B Test Pro regarding the Service and supersede all prior and contemporaneous understandings, agreements, representations, and warranties, both written and oral, regarding the Service.

12. Contact Information

If you have any questions, concerns, or require legal notices regarding these Terms, please contact us at:

A/B Test Pro
Email: contact@abtestpro.com