Official Legal Document

Terms & Conditions

One Calculator • Operated by Maison Dynamics Private Limited

Document Version: 1.0
Effective Date: September 26, 2026
Operating Entity: Maison Dynamics Private Limited

01. Acceptance of Terms

By downloading, installing, accessing, or using One Calculator, you agree to be bound by these Terms & Conditions. If you do not agree to these terms, please do not use the application.

One Calculator is a proprietary software application owned, developed, and operated exclusively by Maison Dynamics Private Limited.

02. Product Description & Utilities

One Calculator is a calculator and utility application providing basic, scientific and GST calculation with a step-by-step tape; sharing of a calculation as an image; study tools with diagrams and graphs for geometry, trigonometry, algebra and physics; money tools for India (GST, income tax regimes, SIP, lumpsum, FD, RD, PPF, salary, EMI and rupees in words); unit and currency conversion; a formula library; percentage, discount, tip-and-split and date tools; a home-screen widget; and English and Hindi interfaces.

03. Free Use & the Remove Ads Purchase

• Free Access: Every feature of One Calculator is available free of charge. The free edition shows a single banner advertisement on the tool screens. It does not show full-screen or video advertisements.

• Remove Ads: A one-time, non-consumable purchase that permanently removes advertisements. It unlocks no additional features and is not a subscription. It can be restored on your other devices signed in to the same Google Play or Apple account.

All in-app purchases are processed securely through the official platform billing systems (Google Play Store / Apple App Store) and are subject to their respective terms and refund policies.

04. Important Calculation Disclaimer

Verification Required: One Calculator is provided strictly as a mathematical estimation and calculation utility. While formulas are engineered with precision, Maison Dynamics Private Limited does NOT provide certified financial, tax, engineering, medical, or legal advice.

Users are responsible for independently cross-verifying all critical calculations before relying on them for consequential financial, taxation, construction, engineering, medical, or business decisions.

05. Intellectual Property

The One Calculator application, source code, user interface, brand assets, logo, icons, and mathematical implementations are the exclusive intellectual property of Maison Dynamics Private Limited and protected under applicable copyright and intellectual property laws.

06. Acceptable Use & Limitation of Liability

You agree not to reverse engineer, decompile, attempt to bypass technical entitlement locks, or manipulate billing systems. To the maximum extent permitted by applicable law, Maison Dynamics Private Limited shall not be liable for any indirect, incidental, or consequential damages arising from the use of the application.

Company Contact

For questions or inquiries regarding these Terms & Conditions, please contact:

Maison Dynamics Private Limited
Email: support@maisondynamics.com
Website: https://maisondynamics.com