PlumbCalc Pro

Terms of Use

Effective Date: March 21, 2026

1. Acceptance of Terms

By downloading, installing, or using PlumbCalc Pro ("the App"), you agree to be bound by these Terms of Use. If you do not agree to these terms, do not use the App.

2. Description of Service

PlumbCalc Pro is a professional plumbing calculation tool that provides pipe sizing, fixture unit calculations, and code-compliant engineering estimates based on the International Plumbing Code (IPC) and Uniform Plumbing Code (UPC). The App includes 12 calculators for water supply, drainage, gas pipe, water heater, friction loss, backflow prevention, grease trap, stormwater, cost estimation, drainage slope, code comparison, and fixture reference.

3. Professional Disclaimer

PlumbCalc Pro is intended as a reference and estimation tool only.

All calculations are based on published plumbing code tables and standard engineering formulas. However, the App does not replace professional engineering judgment, licensed plumbing design, or official code review.

Results should be verified by a licensed professional engineer or plumbing contractor before use in any construction or design project. Local code amendments and jurisdiction-specific requirements may affect the applicability of results.

The developer assumes no liability for decisions made based on calculations from this App.

4. Subscriptions & In-App Purchases

PlumbCalc Pro offers the following purchase options to unlock Pro features:

4.1 Monthly Subscription

Price: $3.99 per month (USD)
Includes a 7-day free trial for first-time subscribers
Payment will be charged to your Apple ID account at the confirmation of purchase
Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period
Your account will be charged for renewal within 24 hours prior to the end of the current period
Any unused portion of a free trial period will be forfeited when purchasing a subscription

4.2 Lifetime Purchase

Price: $9.99 (USD, one-time)
A single non-consumable purchase that unlocks all Pro features permanently
No recurring charges

4.3 Managing & Canceling Subscriptions

You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase:

Open Settings on your device
Tap your Apple ID at the top
Tap Subscriptions
Select PlumbCalc Pro and tap Cancel Subscription

Cancellation takes effect at the end of the current billing period. You will continue to have access to Pro features until that date.

4.4 Restore Purchases

If you have previously purchased PlumbCalc Pro, you can restore your purchase at any time by tapping "Restore Purchases" on the upgrade screen within the App. This works across all devices signed in with the same Apple ID.

5. Free Features

The following calculators are available for free without any purchase:

Drainage Pipe Sizing
Fixture Reference
Drainage Slope

6. Intellectual Property

The App, including its design, code, graphics, and content, is owned by the developer and is protected by copyright and intellectual property laws. Plumbing code tables referenced within the App are based on publicly available plumbing code standards (IPC, UPC, IFGC) and are used for reference purposes.

7. Acceptable Use

You agree not to:

Reverse engineer, decompile, or disassemble the App
Redistribute, sublicense, or resell the App or its content
Use the App for any unlawful purpose
Attempt to circumvent the App's purchase or subscription mechanisms

8. Limitation of Liability

To the maximum extent permitted by applicable law, the developer shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits or revenues, whether incurred directly or indirectly, or any loss of data, use, goodwill, or other intangible losses resulting from:

Your use of or inability to use the App
Any errors, inaccuracies, or omissions in calculations or code references
Any decisions made or actions taken based on the App's output
Any unauthorized access to or alteration of your data

9. Warranty Disclaimer

The App is provided "as is" and "as available" without warranties of any kind, either express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, and non-infringement. We do not warrant that the App will be error-free or uninterrupted.

10. Indemnification

You agree to indemnify and hold harmless the developer from any claims, losses, damages, liabilities, costs, and expenses arising from your use of the App or violation of these Terms.

11. Governing Law

These Terms of Use shall be governed by and construed in accordance with applicable laws, without regard to conflict of law principles.

12. Changes to Terms

We reserve the right to modify these Terms of Use at any time. Changes will be posted on this page with an updated effective date. Your continued use of the App after any changes constitutes acceptance of the new terms.

13. Severability

If any provision of these Terms is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary so that these Terms shall otherwise remain in full force and effect.

14. Contact

For questions about these Terms of Use, contact us at:

Email: karapapak656@gmail.com