Last Updated: July 14, 2026
This privacy policy governs your use of the software application Hydro Mechanical (hereafter referred to as "the Application") for mobile devices, which was created by com.hydromechanical.engineering.
The Application is a specialized offline utility design tool and technical catalog built for fluid power engineers, industrial technicians, and business-to-business (B2B) operators.
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1.1. Personal Information
The Application does not collect, harvest, transmit, or store any personally identifiable information (PII). You are not required to register an account, sign in, or provide any personal details (such as your name, email address, or phone number) to use the core features of the Application, including the engineering calculators and the product directory.
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1.2. Technical and Device Information
We do not collect any device-specific information, hardware models, operating system versions, unique device identifiers, or mobile network information. The Application functions entirely as a local sandbox utility.
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1.3. Real-Time Calculation Inputs
The Application features an interactive Hydraulic Cylinder Force Calculator. All numerical parameters entered into this tool (such as piston bore diameter, rod thickness, and system working pressure) are processed solely in the volatile active memory (RAM) of your device. These inputs are never saved to a local database, nor are they transmitted to any remote servers.
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To remain fully compliant with the Google Play Developer Distribution Agreement and to ensure user safety, the Application does not require or request access to sensitive device permissions, including but not limited to:
Camera
Device Storage / Media Files
Fine or Coarse Location
Microphone
Contacts or SMS
2.1. Internet Access
The Application is built with an offline-first architecture and is designed to function 100% offline. Internet access (android.permission.INTERNET) is declared solely as a fallback capability for standardized system components and for formatting system email requests.
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The Application contains a Technical RFQ (Request for Quote) Inquiry Cart and a Contact Form.
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When you choose to submit a design specification or request a pricing matrix, the Application uses a secure, system-mediated Android Intent to package your technical specifications into a pre-formatted email template.
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This email is addressed directly to our official engineering desk at engineshydro@gmail.com.
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This process is initiated entirely by you. The Application never sends emails automatically or transmits data silently in the background.
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We do not integrate any third-party software development kits (SDKs), advertising networks, tracking pixels, or third-party behavioral analytics tools (such as Google Analytics or Firebase Analytics) that track your footprint across apps or websites. Your usage of the Application remains strictly private.
These Services do not address anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13. Since we do not collect any personal data whatsoever, there is no risk of children's data being harvested or stored.
We may update our Privacy Policy from time to time. Thus, you are advised to review this page periodically for any changes. We will notify you of any changes by posting the new Privacy Policy on this page. These changes are effective immediately after they are posted.
If you have any questions or suggestions about our Privacy Policy or the technical functionalities of the Application, do not hesitate to contact our technical office at:
Email: engineshydro@gmail.com
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Mailing Address: Workshop Cluster, Industrial Zone, 10th of Ramadan, Sharqia, Egypt
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