Last Updated: January 15, 2026
This Privacy Policy describes how FileShift ("we," "us," or "our"), provided by ExtreemTek, collects, uses, and protects your personal information when you use our mobile application (the "App"). FileShift provides peer-to-peer file transfer services between devices.
By using the App, you acknowledge that you have read, understood, and agree to be bound by this Privacy Policy.
If you do not agree with this Privacy Policy, please do not use the App.
We keep data collection minimal and collect only what is necessary to ensure the App functions properly and improves over time.
Our App does not require you to create an account or provide personal information manually. You use FileShift without registration.
Optional Permissions:
Contacts (only when you choose to share contacts with other devices)
Media library access (only to select photos, videos, and audio files for sharing)
When you use FileShift, we may automatically collect limited technical data for app performance and analytics:
Device Information:
Android ID (Android devices)
Device model and manufacturer
Operating system and version
System language and region
Screen size and resolution
App Usage Data:
Basic usage metrics and interaction patterns
Crash logs to identify and fix technical issues
App performance data
Session duration and frequency
Advertising Identifiers:
Google Advertising ID (AAID) for Android devices
Identifier for Advertisers (IDFA) for iOS devices
Used only for displaying personalized or non-personalized ads based on your consent preferences
Network Information:
IP address
Connection type (Wi-Fi or mobile network)
Used solely to establish peer-to-peer connections for file transfer
Location Information (with your permission):
Used only for Wi-Fi Direct and nearby device discovery
Location data is not stored or shared with third parties
You can disable location access in your device settings
Storage Access:
Used only to select, read, and share files from your device
We do not access or collect the content of your files
All file transfers occur directly between devices
Contacts Access (with your permission):
Used only when you choose to share contacts with other devices
Contact data is not stored or transmitted to our servers
Media Library Access (with your permission):
Used only to access photos, videos, and audio files for sharing
Media content is not stored or transmitted to our servers
We do not collect or access the content of the files you share. All file transfers occur directly between devices using peer-to-peer connections. We never see, store, or have access to your transferred files.
We use the information we collect for the following purposes:
Operate and maintain the App
Enable peer-to-peer file transfer functionality
Establish connections between devices
Facilitate nearby device discovery
Analyze app performance and reliability
Understand user behavior to improve efficiency
Identify and fix technical issues and bugs
Monitor crash reports and system errors
Show relevant ads through Google AdMob
Deliver personalized or non-personalized ads based on your consent
Measure ad performance and effectiveness
Send push notifications through Firebase Cloud Messaging (if enabled)
Provide app updates and important notices
Respond to your support requests
Detect, prevent, or address technical issues
Prevent misuse of the App
Protect against fraudulent activity
We do not sell, rent, or trade your information to third parties.
For users in the European Economic Area (EEA), we process your data based on:
Your consent: When you provide explicit consent for specific processing activities (ads, analytics, location)
Contract performance: To provide the file transfer services you requested
Legitimate interests: To improve our services, prevent fraud, and conduct analytics
Legal obligations: To comply with applicable laws and regulations
We share limited data with trusted service providers who assist us in operating the App:
Firebase (Google LLC) - Push notifications, crash analytics, remote configuration, and performance tracking (USA). Firebase Privacy Policy
Firebase Analytics (Google LLC) - App usage analytics and user behavior insights (USA). Google Privacy Policy
AdMob (Google LLC) - Display in-app advertisements. Advertising identifiers and basic app context may be shared. Ad personalization depends on your consent (USA). AdMob Privacy Policy
Google Play Store - Process in-app purchases and subscriptions (if applicable) (USA). Google Privacy Policy
ExtreemTek Support - Customer support and request management (Netherlands). Managed internally.
All third-party service providers are contractually obligated to protect your data and use it only for specified purposes.
These third parties process data in accordance with their own privacy policies and applicable data protection laws.
We do not share any files, messages, or user-identifiable content with external services. All file transfers occur directly between devices using encrypted peer-to-peer connections.
We may disclose your information when required by law or to:
Comply with legal processes or government requests
Enforce our Terms of Service
Protect the rights, property, or safety of our users or others
Prevent fraud or security threats
If we are involved in a merger, acquisition, or sale of assets, your information may be transferred. We will notify you via email and/or App notice before your data is transferred.
We implement reasonable technical and organizational measures to protect your data from unauthorized access, alteration, disclosure, or destruction:
Encryption: Data is encrypted in transit using industry-standard protocols
Peer-to-Peer Security: File transfers use encrypted direct connections
Secure Storage: Data collected through Firebase or AdMob is stored securely on Google's servers
Access Controls: Limited access to authorized personnel only
Regular Audits: Periodic security assessments and updates
While no system is completely secure, we regularly review our practices to maintain App security. We cannot guarantee absolute security.
Important: File transfers occur directly between devices using encrypted peer-to-peer connections. We do not store or have access to transferred files.
We retain automatically collected data only for as long as necessary:
Analytics data: Retained for up to 26 months
Crash logs: Retained for up to 90 days
Advertising data: Managed according to Google AdMob's retention policies
Device identifiers: Retained while you use the App
You may clear cached App data at any time through your device settings.
Access: Request information about data we collect
Deletion: Request deletion of your data
Opt-Out: Disable personalized advertising
Withdrawal: Withdraw consent at any time
Data Portability: Request your data in a portable format
Since FileShift does not require user accounts, most data is anonymous or device-based.
If you are located in the European Economic Area or the United Kingdom, we comply with the General Data Protection Regulation (GDPR):
Right to restrict processing
Right to object to processing
Right to lodge a complaint with your data protection authority
Right to data portability
We use Google's User Messaging Platform to request consent for personalized advertising and analytics data collection. You may withdraw your consent at any time through the App settings or by contacting us.
If you are a California resident, you have the right to:
Know what personal information is collected
Request access or deletion of your data
Opt out of the sale of personal information (we do not sell data)
Not be discriminated against for exercising your privacy rights
To exercise any of these rights:
Adjust settings within the App
Clear app data through your device settings
Email us at hello@extreemtek.nl
We will respond to verified requests within 30 days (or as required by applicable law).
We use Google's User Messaging Platform to request consent for:
Personalized advertising
Analytics data collection
Optional permissions (location, contacts, media)
You can manage your consent preferences in the App settings at any time.
On iOS devices, we request your permission to track activity across apps and websites for advertising purposes through Apple's App Tracking Transparency (ATT) framework.
To manage tracking on iOS: Settings > Privacy > Tracking > FileShift
You can change this permission at any time in your device settings.
Android devices:
Settings > Privacy > Ads > "Opt out of Ads Personalization"
Or "Reset Advertising ID"
iOS devices:
Settings > Privacy > Tracking > Disable for FileShift
Settings > Privacy > Apple Advertising > Disable "Personalized Ads"
Additional Opt-Out Tools:
Digital Advertising Alliance: https://youradchoices.com/appchoices
Network Advertising Initiative: https://optout.networkadvertising.org/
European Interactive Digital Advertising Alliance (EDAA): https://youronlinechoices.eu/
FileShift is not intended for children under 13 years of age (or under 16 in the EEA). We do not knowingly collect personal data from children. If we learn that we have collected information from a child without verification of parental consent, we will delete such information promptly.
If you believe we might have information from or about a child, please contact us immediately at hello@extreemtek.nl.
Our service providers may process data in multiple countries, including the United States. These countries may have different data protection laws.
For EEA users, we ensure adequate protection through:
Standard Contractual Clauses approved by the European Commission
Adequacy decisions by the European Commission
Other lawful transfer mechanisms
Where required, we rely on lawful mechanisms to protect your data during international transfers.
The App may contain links to third-party websites or services. We are not responsible for the privacy practices of these third parties. We encourage you to review their privacy policies.
We may update this Privacy Policy from time to time. We will notify you of material changes by:
Posting the updated policy in the App
Updating the effective date
Providing notice within the App or on our website
Your continued use of the App after changes take effect indicates acceptance of the updated Privacy Policy.
Currently, the App does not respond to "Do Not Track" signals from browsers. We may implement this feature in the future.
If you have questions, concerns, or requests regarding this Privacy Policy or our data practices:
Email: hello@extreemtek.nl
Phone: +31 641166735
Website: https://extreemtek.nl/en/
Location: Netherlands
App Package: com.file.transfer.extreemtek
For EEA users, you can also contact our Data Protection Officer at: hello@extreemtek.nl
For GDPR-related concerns, you may also contact your local data protection authority.
Under the California Consumer Privacy Act (CCPA), you have the right to:
Know what personal information we collect, use, and share
Delete personal information we have collected
Opt out of the sale of personal information (we do not sell personal data)
Non-discrimination for exercising your rights
Under GDPR, you have additional rights including:
Right to lodge a complaint with your supervisory authority
Right to data portability
Right to restriction of processing
Right to object to processing based on legitimate interests
EU Representative Contact: ExtreemTek - hello@extreemtek.nl
Under UK GDPR, you have similar rights to EEA residents. You can contact the UK Information Commissioner's Office (ICO) with complaints.
Company Information:
ExtreemTek
Netherlands
Email: hello@extreemtek.nl
Website: https://extreemtek.nl/en/
© 2026 ExtreemTek. All rights reserved.
Effective Date: January 15, 2026