Privacy Policy

.TT pocketEngineer SD built the following Applications (Apps)  as commercial apps. This service is provided by .TT pocketEngineer SD and is intended for use as is. Mobile Applications (Apps) software for Android OS developed by .TT pocketEngineer SD and published at Google Play are:

 HVAC duct sizer (aDuctulator), Psychrometric Air-Conditioning (aPsychroAC), Psychrometric air (aRhoAir), Battery Room Ventilation Calculation (aBattMV), Kitchen hood exhaust calc (aKitchenExhaust), Tunnel critical velocity (aCriticalVel), Fire Sprinkler design and check tools (aSprinkler), Gas pipe sizer (aPocketGas), Pool pump & filtration system (aPocketPool), Water Pipe sizing (aPipeSizer), Pressure Drop in multiple pipe (mPPD), Pump Sump / Ejector Tank sizing (SumpSizer).

This page is used to inform visitors/users regarding our policies with the collection, use, and disclosure of Personal Information if anyone decided to use our Service.

Information collection and use: This Application (App) and all Applications (Apps) software developed by .TT pocketEngineer SD do not ask or collect any sort of personnal data such as

- Technical information such as location, usage data, or SSAID (Android ID)

- Directly identifying personal information such as a user's name, email address, or username

- Sensitive information such as passwords, payment details, or information about a person's race, gender, or beliefs

Also, all Apps developed by .TT pocketEngineer SD do not use third party services that may collect information used to identify you.

Access to External Storage: All Apps developed by .TT pocketEngineer SD are required to access external storage (such as SD card)  for results saving to a text file. The users are able to retrieve and open the saved text file. Therefore, the users shall allow access to SD Card when prompted. Else, the users will not be able to save calculation results. Starting 1 Jan 2024, all new and updated Apps developed by .TT pocketEngineer SD do not ask for user permission.

Changes to This Privacy Policy: We may update our Privacy Policy from time to time as required by Google Play.