Last Updated: [02/17/2026]
Privacy Policy
Welcome to Zip File Extractor β Unzip Files (the "App"), developed and operated by Sigma Delta App ("we", "our", "us"). We are committed to protecting your privacy and ensuring that your personal data is handled in a safe and responsible manner.
This Privacy Policy outlines the types of information we collect through the App, how we use and safeguard that information, and the choices you have regarding your personal data. It applies to all users of the App and reflects our commitment to transparency and compliance with major data protection laws and platform policies, including:
General Data Protection Regulation (GDPR) β for users in the European Economic Area (EEA)
California Consumer Privacy Act (CCPA) β for users in California, USA
Google Play Developer Policies β as required for apps distributed on Google Play
By downloading, installing, accessing, or using the App, you agree to the terms of this Privacy Policy and consent to the collection and use of information as described herein. If you do not agree with any part of this Privacy Policy, please refrain from using the App.
We encourage you to read this Privacy Policy carefully to understand how we handle your information. If you have any questions or concerns, please feel free to contact us at sigmadelta.apps@gmail.com
In compliance with the EU ePrivacy Directive and the General Data Protection Regulation (GDPR), Zip File Extractor β Unzip Files follows strict data protection standards:
We obtain explicit consent from users located in the European Economic Area (EEA) before processing personal data or using advertising identifiers (such as Advertising ID) for personalized or non-personalized ads.
Users are given the option to choose their ad preference (Personalized Ads or Non-Personalized Ads) in accordance with Googleβs EU User Consent Policy.
Consent can be updated or withdrawn by the user at any time through the app settings (where applicable) or device privacy settings.
For users in the EEA, ads will only be served after proper consent has been obtained.
We are committed to handling user data in a transparent, secure, and legally compliant manner.
By using Zip File Extractor β Unzip Files, you consent to:
The collection and use of information as described in this Privacy Policy.
The processing of your information for app functionality and advertising purposes, subject to your selected preferences.
You may withdraw your consent at any time by adjusting your preferences within the App (where available) or by contacting us at:
sigmadelta.apps@gmail.com
When you use Zip File Extractor β Unzip Files, we may collect and process the following categories of information to improve app performance and user experience:
We may collect limited device-related information to ensure compatibility and proper functioning of the App. This may include:
Device model and manufacturer (e.g., Samsung, Xiaomi, etc.)
Operating system and version (e.g., Android 13)
Unique device identifiers (such as Advertising ID, if ads are enabled)
Screen size and resolution
Language and country settings
This information helps us optimize the App across different devices and Android versions.
We collect anonymous usage data to understand how users interact with the App. This may include:
Features used (e.g., βExtract ZIP File,β βCreate ZIP Archiveβ)
Time spent using certain features
Frequency of app usage
Navigation behavior within the App
Crash reports and error logs
This data helps us improve performance, fix bugs, and enhance user experience.
When you use the App, certain log information may be automatically collected for technical purposes. This may include:
IP address (used temporarily for diagnostics)
Date and time of app access
Device software information
Error reports and crash diagnostics
Log data is used strictly for technical support, performance monitoring, and security purposes. Access to this data is limited to authorized personnel only.
To provide full functionality, Zip File Extractor β Unzip Files may request the following permissions from your device. These permissions are necessary to ensure smooth file extraction, compression, advertising support, notifications, and optional in-app purchases.
Allows the App to access and manage ZIP files across your device storage.
This is required to extract, compress, and save files in different folders.
Allows the App to read ZIP files stored on your device for extraction.
Allows the App to save extracted files or newly created ZIP archives to your device storage.
β οΈ All file processing happens locally on your device. We do not upload or access your files remotely.
Required to:
Load advertisements
Support in-app purchases
Enable analytics services
Allows the App to check internet connectivity before loading ads or online services.
Prevents the device from sleeping while extracting or compressing large files to ensure uninterrupted processing.
Allows the App to send notifications such as:
Extraction complete alerts
Important app updates
Users can disable notifications at any time in device settings.
Required for Firebase Cloud Messaging (FCM) to deliver push notifications.
Allows the App to access the Advertising ID for serving personalized or non-personalized ads in compliance with user consent.
These permissions support Androidβs Privacy Sandbox and enable privacy-focused ad personalization and attribution measurement.
Used to receive install referral information from Google Play to measure campaign effectiveness.
Enables support for in-app purchases such as:
Removing ads
Unlocking premium features (if applicable)
This is a custom internal permission used for secure communication between app components.
It is not accessible to other apps and does not collect user data.
To support the core functionality of Zip File Extractor β Unzip Files, we access certain file-related data on your device. This is handled with transparency and care as described below:
The App accesses:
ZIP files stored on your device
Selected folders where extracted or compressed files are saved
We do not access unrelated personal data, installed apps, contacts, messages, or media files beyond what is necessary for ZIP file processing.
All file processing occurs locally on your device.
We do not upload, store, or back up your ZIP files on external servers.
We do not maintain remote copies of your files.
Your data remains fully under your control.
Accessed file data is used solely for:
Extracting ZIP files
Creating compressed archives
Saving files to user-selected locations
We do not sell, share, or distribute your files to third parties.
The App requests storage permissions before accessing files.
Users can deny or revoke permission at any time through device settings.
Access to storage is required only for providing ZIP extraction and compression functionality.
We use the information collected through Zip File Extractor β Unzip Files for the following purposes:
To ensure smooth ZIP extraction and compression performance, fix bugs, and improve stability across different devices.
To understand how users interact with features such as file extraction and archive creation, helping us enhance performance and user experience.
To optimize app layout, speed, and compatibility based on device type and usage behavior.
To notify users about:
File extraction completion
Important app updates
Feature improvements
(Users can disable notifications anytime in device settings.)
To ensure compliance with applicable laws, Google Play policies, GDPR, and advertising regulations.
To improve functionality and user experience, Zip File Extractor β Unzip Files relies on trusted third-party service providers for specific services:
We may use services such as Google Analytics for Firebase to collect anonymous usage data.
This helps us:
Monitor app performance
Fix crashes and technical issues
Improve features and stability
The data collected is aggregated and does not include your personal files.
We use advertising platforms such as Google AdMob to display ads within the App.
These services may collect limited data such as:
Advertising ID
Device information
Interaction with ads
Ad personalization is shown only based on user consent where required (e.g., EEA region under GDPR).
We use Google Play Services and Firebase Cloud Messaging (FCM) to support:
Push notifications
Install referrer tracking
App stability and security services
These services are essential for smooth app operation.
Third-party services receive only limited, anonymous, or aggregated data.
Your ZIP files and extracted content are never shared with third parties.
We carefully select partners who follow strict privacy and data protection standards.
We may share limited information with third parties only:
βοΈ When required by law or legal process
π‘οΈ To protect our rights, prevent fraud, or ensure security
π€ With trusted service providers who process data on our behalf under strict confidentiality agreements
β οΈ Important Reminder:
All file extraction and compression processes occur locally on your device. We do not upload or share your personal ZIP files.
We take reasonable technical and organizational measures to protect your information from unauthorized access, alteration, disclosure, or misuse.
This includes:
Secure data transmission for advertising and analytics services
Encrypted communication where applicable
Restricted access to collected technical data
All ZIP file extraction and compression processes occur locally on your device. We do not upload or store your personal files on external servers.
However, please note that no method of internet transmission or electronic storage is completely secure. While we strive to protect your information, we cannot guarantee absolute security.
Zip File Extractor β Unzip Files respects your privacy. We do not sell, rent, or trade your personal information or files under any circumstances.
Your information may only be shared in the following limited situations:
We will request your permission before sharing any personal information with third parties where required by law.
You remain in full control of your data and privacy preferences.
We may share limited technical or advertising-related data with trusted third-party service providers such as:
Advertising partners (e.g., Google AdMob)
Analytics providers (e.g., Firebase)
Google Play Services
These partners:
Are bound by strict confidentiality obligations
May only use the data for providing services on our behalf
Do not receive access to your ZIP files or extracted content
We may disclose information if legally required to:
Respond to lawful requests, subpoenas, or court orders
Comply with government investigations
Protect our legal rights
Prevent fraud or security threats
Protect user safety
We do not upload, access, or share the contents of your ZIP files.
All file extraction and compression processes occur locally on your device.
Your privacy is our priority, and we take reasonable steps to ensure information is handled responsibly and securely.
Zip File Extractor β Unzip Files does not collect personal data like your name or email. However, we may process limited non-personal data (such as device information and advertising ID).
If you are in the EEA, you have the right to:
π Request access to your data
βοΈ Request correction of inaccurate data
ποΈ Request deletion of your data
π« Object to certain data processing (such as personalized ads)
π Withdraw your consent at any time
To exercise your rights, please contact us at:
βοΈ sigmadelta.apps@gmail.com
Zip File Extractor β Unzip Files is designed for a general audience and is intended for users aged 13 and above, in accordance with Google Play policies.
We do not knowingly collect personal information from children under the age of 13.
If you are under 13, please use the App only with the supervision or consent of a parent or guardian.
We comply with applicable laws and regulations, including COPPA and GDPR, where required.
Some U.S. states provide specific privacy rights to their residents. While Zip File Extractor β Unzip Files does not collect personal information such as your name, email, or contact details, we respect your privacy and aim to comply with applicable state laws.
We do not:
Sell or rent personal data
Share your ZIP files with third parties
Use personal information for profiling
However, limited non-personal data (such as device information or advertising ID) may be processed for analytics and advertising purposes.
If you have any privacy-related questions, please contact us at:
βοΈ sigmadelta.apps@gmail.com
We may update this Privacy Policy from time to time to reflect changes in our practices, legal requirements, or app features.
Any updates will be posted with a revised βLast Updatedβ date.
We encourage you to review this policy periodically.
If you have any questions or concerns regarding this Privacy Policy or our data practices, please contact:
Developer: Sigma Delta App
βοΈ sigmadelta.apps@gmail.com