Privacy Policy

Last updated: 2026-04-29

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1. Introduction

Welcome to SmartBuildTools. This Privacy Policy applies to the SmartBuildTools website (smartbuildtools.com) and its associated mobile application. We respect your privacy and are committed to protecting any information that could identify you. This document explains how we collect, use, and safeguard your information.

2. Information We Collect

As a standard utility tool, SmartBuildTools does not require you to create an account, nor do we collect personally identifiable information like your name, email, or address.

However, to support and maintain our free services, we use third-party advertising and analytics services which may automatically collect certain information:

  • Device Information: Operating system, device model, and unique advertising identifiers (such as Google Ad ID on Android).
  • Usage Data: Pages visited, tools used, and time spent on the app or website.
  • Network Data: IP address and general location data (city/country level) for serving localized ads.

3. Third-Party Services & Advertising (AdSense & AdMob)

Our website and mobile application use Google AdSense and Google AdMob to display advertisements. Google, as a third-party vendor, uses cookies and device identifiers to serve ads on our site.

  • Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites.
  • Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to our sites and/or other sites on the Internet.
  • You may opt out of personalized advertising by visiting Google Ads Settings.
  • Alternatively, you can opt out of a third-party vendor's use of cookies for personalized advertising by visiting www.aboutads.info.

For more information on how Google uses the collected data, please visit:

How Google uses information from sites or apps that use our services

4. Device Permissions

Our Android application requires the following permissions to function correctly:

  • Internet: To load construction calculations, download DXF files, and serve advertisements.
  • Advertising ID (AD_ID): For Android 13+ devices, this permission is required to allow Google AdMob to serve relevant ads.
  • Storage/Filesystem: To save the generated AutoCAD (DXF) files directly to your device's Downloads folder.

5. Security & Data Processing

We value your trust. All engineering calculations are performed locally on your device or browser. We do not transmit or save your specific calculation data, architectural measurements, or DXF files on our servers.

6. Contact Us

If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us by visiting our primary SaaS platform at prixun.com.