Terms of Service

Last updated: August 4, 2026

By accessing comparator.online, you agree to these Terms of Service. Please read them carefully.

1. Service Description

comparator.online provides free online calculators and tools for electronics design, particularly for LM393, LM358, and LM339 voltage comparator ICs. Optional paid subscriptions unlock additional features.

2. Acceptable Use

You agree NOT to:

3. Calculator Accuracy

Our calculators use standard electronics formulas. Results are provided for educational and reference purposes. Always verify critical designs with a qualified engineer and physical prototyping. We are not liable for damages from circuit designs based on our calculator outputs.

4. Intellectual Property

Calculator logic, UI design, and code are our intellectual property. You may use outputs for your own projects. Tutorials are licensed for personal and commercial use with attribution.

5. Subscriptions (Pro / Team)

6. Affiliate Links

Some links on our site are affiliate links (AliExpress, Amazon, LCSC). We earn a small commission at no extra cost to you. See our Affiliate Disclosure.

7. Disclaimer

The service is provided "as is" without warranties of any kind. We do not guarantee uninterrupted or error-free operation.

8. Limitation of Liability

To the maximum extent permitted by law, we are not liable for any indirect, incidental, or consequential damages arising from your use of the service.

9. Termination

We reserve the right to suspend or terminate accounts that violate these terms. Refunds for unused periods may be granted at our discretion.

10. Governing Law

These terms are governed by the laws of the jurisdiction in which we operate, without regard to conflict of law provisions.

11. Contact

Questions? Email: legal@comparator.online