Privacy Policy

Sherlock - AI Face Search
Last Updated: August 16, 2026
In Summary
Sherlock is an application that allows you to upload a photo, take a photo, or submit an image URL to perform a reverse image face search through our trusted third-party search provider (FaceCheck.ID).

Your privacy is important to us.

In summary:

• We do not require you to create an account.

• We do not build face databases or identity profiles.

• We do not sell your personal information or uploaded images.

• Uploaded images are processed only to perform the face search you request.

• Search history is stored locally on your device and can be deleted at any time.

• Search results are automated visual similarity results and should not be considered proof of a person's identity.

Please read this Privacy Policy carefully to understand how Sherlock collects, uses, and protects your information.

1. Introduction
Welcome to Sherlock - AI Face Search ("Sherlock", "App", "we", "our", or "us").

Sherlock is an Android application that helps users search for visually similar face images available on publicly accessible web sources by using images they voluntarily provide.

You can start a search by:

• Uploading a photo from your device.

• Taking a new photo using your device's camera.

• Entering a publicly accessible image URL.

This Privacy Policy explains:

• What information we collect.

• How information is collected.

• How we use information.

• Which third-party services process information.

• How information is protected.

• How long information is retained.

• Your privacy rights and choices.

Sherlock is designed with a privacy-first approach.

We do not require user registration or login to use the App.

Your search history is stored locally on your Android device unless you choose to delete it.

By downloading, accessing, or using Sherlock, you acknowledge that you have read and understood this Privacy Policy.

2. Important Face Search Disclosure
Sherlock performs reverse image face searches using images that you voluntarily submit.

Before using Sherlock, please carefully review the following important information:

• Your uploaded image is securely transmitted to our third-party search provider (FaceCheck.ID) solely to perform the face search you request.

• Uploaded images may contain facial information necessary to perform visual similarity matching.

• Sherlock does not create, maintain, or sell databases of individuals or personal identity profiles.

• Sherlock does not use uploaded images or facial information for advertising, behavioral profiling, marketing, or facial recognition model training.

• Sherlock does not permanently store uploaded images on its own servers.

• Search results displayed within Sherlock are automated visual similarity matches and should not be considered proof of a person's identity or used as the sole basis for making decisions about any individual.

• You should only upload images that you own or have permission to use.

• You are responsible for ensuring that your use of Sherlock complies with applicable laws and respects the privacy rights of others.

• Sherlock must not be used for harassment, stalking, discrimination, impersonation, unlawful surveillance, or any illegal activity.

By accepting the Privacy & Consent screen and submitting an image for a face search, you consent to the processing of your uploaded image as described in this Privacy Policy.

3. Information We Collect
Sherlock collects only the information necessary to operate the App and provide the services you request.

3.1 Information You Provide
Depending on how you use Sherlock, you may voluntarily provide:

• Photos selected from your Android device.

• Photos captured using your device's camera.

• Image URLs submitted for face searches.

• Information you provide when contacting customer support.

You are responsible for ensuring that you have the legal right or permission to submit any image you use within the App.

3.2 Face Data
When you perform a face search, Sherlock processes the facial information contained within the image you voluntarily submit.

This may include:

• Facial features visible in the image.

• Visual characteristics required for similarity matching.

• Image information necessary to perform the requested face search.

Sherlock processes this information only to complete the face search requested by you.

Sherlock does not:

• Create biometric identity records.

• Build face databases.

• Create personal identity profiles.

• Permanently store uploaded facial images on its own servers.

• Use facial information for advertising or marketing.

• Sell facial information to third parties.

3.3 Automatically Collected Information
To operate, improve, and secure Sherlock, certain technical information is collected automatically.

This information may include:

• Device model.

• Android operating system version.

• App version.

• Device language and region.

• IP address.

• Network information.

• Anonymous device identifiers.

• App usage statistics.

• Crash reports.

• Diagnostic information.

• Performance data.

This information helps us:

• Improve App reliability.

• Diagnose technical issues.

• Enhance performance.

• Improve user experience.

• Protect the security of Sherlock.

3.4 Information Stored on Your Device
Sherlock stores certain information locally on your Android device to improve your experience.

This may include:

• Search history.

• Search result thumbnails.

• Search timestamps.

• App preferences.

• App settings.

• Subscription or credit information (where applicable).

This information remains stored on your device until you:

• Clear your search history.

• Clear the App's storage.

• Uninstall Sherlock.

3.5 Information We Do Not Collect
Sherlock follows a data minimization approach.

We do not collect or permanently store:

• Government-issued identification numbers.

• Passport or driver's license information.

• Bank account information.

• Full payment card details.

• Passwords.

• Contact lists.

• SMS messages.

• Call history.

• Microphone recordings.

• Precise GPS location.

• Long-term biometric identifiers.

• Personal identity profiles.

All subscription and payment transactions are securely processed by Google Play, and Sherlock does not receive or store your complete payment information.
4. How Information Is Collected
Sherlock collects information only when it is necessary to provide the App's features and services.

Information is collected in the following ways.

4.1 Information You Voluntarily Provide
Sherlock collects information that you choose to provide when you:

• Upload a photo from your Android device.

• Capture a photo using your device's camera.

• Submit an image URL.

• Contact customer support.

• Use features available within the App.

You decide which images you submit to Sherlock.

4.2 Automatically Collected Information
When you use Sherlock, certain technical information is collected automatically to help operate, maintain, and improve the App.

This information may include:

• Device model.

• Android version.

• App version.

• Device language.

• Device region.

• Anonymous device identifiers.

• IP address.

• Network information.

• Feature usage.

• App performance information.

• Crash reports.

• Diagnostic information.

This information helps us:

• Improve App reliability.

• Monitor performance.

• Diagnose technical problems.

• Improve user experience.

• Protect the security and stability of Sherlock.

4.3 Information Processed by Third-Party Services
Sherlock works with trusted third-party providers to perform certain services.

When you perform a face search:

• Your uploaded image is securely transmitted to FaceCheck.ID to perform the requested search.

• Analytics and diagnostic information is processed through Google's Firebase services.

• Subscription and purchase information is processed through Google Play.

Each third-party provider processes information according to its own privacy practices.

5. How We Use Information
Sherlock uses collected information only for legitimate purposes related to operating and improving the App.

5.1 Face Search Functionality
Uploaded images are used only to:

• Perform the face search you request.

• Generate visually similar image matches.

• Retrieve publicly available source links.

• Display search results within Sherlock.

Uploaded images are not used for any unrelated purpose.

5.2 Operating Sherlock
Information is used to:

• Provide App features.

• Maintain App functionality.

• Save App preferences.

• Store local search history.

• Restore credits or subscriptions where applicable.

• Improve the overall App experience.

5.3 Performance and Improvement
Technical information is used to:

• Improve App performance.

• Monitor service quality.

• Analyze feature usage.

• Identify software issues.

• Improve search quality.

• Develop new features and improvements.

5.4 Security and Abuse Prevention
Information is used to:

• Detect suspicious or fraudulent activity.

• Prevent misuse of the App.

• Protect App infrastructure.

• Improve service reliability.

• Help maintain the security of Sherlock and its users.

5.5 Customer Support

If you contact us, we use the information you provide to:

• Respond to your questions.

• Investigate reported issues.

• Troubleshoot technical problems.

• Improve customer support.

5.6 What We Do Not Use Information For

Sherlock does not use uploaded images or facial information to:

• Create identity profiles.

• Build biometric databases.

• Sell personal information.

• Deliver targeted advertising.

• Track users across unrelated apps or websites.

• Train facial recognition or artificial intelligence models.

• Identify individuals for purposes unrelated to the face search requested by you.

6. Android Permissions
Sherlock requests only the permissions required to provide its core features.

Camera Permission
Sherlock requests access to your camera only when you choose to capture a new photo for a face search.

The App does not access your camera without your knowledge or action.

Photos and Media Permission
Sherlock requests access to your photos or media only when you choose to upload an image.

The App does not automatically scan, upload, or analyze your photo library.

Internet Permission
Internet access is required to:

• Perform face searches.

• Communicate securely with FaceCheck.ID.

• Retrieve search results.

• Verify subscriptions and credits where applicable.

• Support App analytics and crash reporting services.

7. Third-Party Services
Sherlock uses trusted third-party service providers to help deliver certain features.

These providers process only the information necessary to perform their respective services.

7.1 FaceCheck.ID
Sherlock uses FaceCheck.ID to perform reverse image face searches.

When you submit an image:

• Your image is securely transmitted to FaceCheck.ID.

• FaceCheck.ID processes the image to identify visually similar face images available on publicly accessible web sources.

• Search results are returned to Sherlock for display within the App.

Sherlock does not control FaceCheck.ID's privacy practices.

For more information, please review FaceCheck.ID's Privacy Policy:

https://facecheck.id/Face-Search/Privacy

7.2 Google Play
Google Play provides:

• App distribution.

• Subscription purchases.

• Payment processing.

• Purchase verification.

• Refund processing, where applicable.

Sherlock does not receive or store your complete payment card information.

All payments are securely processed by Google Play.

7.3 Google Analytics for Firebase
Sherlock uses Google Analytics for Firebase to understand how the App is used and to improve its quality.

Information processed may include:

• Anonymous usage statistics.

• Device information.

• Feature usage.

• Performance information.

Google Analytics helps us improve the reliability and user experience of Sherlock.

Privacy information:

https://support.google.com/analytics/answer/7318509

7.4 Firebase Crashlytics
Sherlock uses Firebase Crashlytics to detect crashes and diagnose technical issues.

Crash reports may include:

• Device model.

• Android version.

• App version.

• Error information.

• Technical diagnostics.

Firebase Crashlytics does not process uploaded search images.

Privacy information:

https://firebase.google.com/support/privacy

7.5 Information Sharing
Sherlock shares only the minimum information necessary to provide its services.

Information may be shared with trusted third-party providers only to:

• Perform requested face searches.

• Process subscriptions and purchases.

• Improve App performance.

• Monitor App stability.

• Maintain service security.

• Protect against abuse and fraud.

Sherlock does not sell personal information, uploaded images, or facial information to advertisers, data brokers, or unrelated third parties.

Information may be disclosed only when required by applicable law, legal process, or to protect the rights, safety, or security of Sherlock, its users, or others.

8. Data Retention
Sherlock retains information only for as long as necessary to provide the App's features, maintain service reliability, comply with applicable legal obligations, and support legitimate business operations.

The following explains how different types of information are stored and retained.

Uploaded Search Images

Images you submit for a face search are securely transmitted to FaceCheck.ID solely to perform your requested search.

Sherlock does not permanently store uploaded images on its own servers.

Submitted images are processed and retained by FaceCheck.ID according to its own Privacy Policy and data retention practices.

Search History

Your search history is stored locally on your Android device for your convenience.

It remains on your device until you:

• Clear your search history within Sherlock.

• Clear the App's data from your Android device settings.

• Uninstall Sherlock.

Search Result Thumbnails

Search result thumbnails are stored locally on your Android device as part of your search history.

They are removed when you:

• Delete your search history.

• Clear the App's data.

• Uninstall Sherlock.

App Preferences & Settings

Sherlock stores your preferences and settings locally on your Android device.

This information remains on your device until you clear the App's data or uninstall Sherlock.

Subscription & Purchase Information

Subscription and purchase information is processed and managed by Google Play.

Sherlock does not receive or store your complete payment card information.

Google Play retains payment and purchase information according to its own billing, payment, and applicable legal retention policies.

Analytics & Crash Reports

Sherlock uses Google Firebase services to help improve App performance, diagnostics, and crash reporting.

Analytics and diagnostic information is retained according to Google's applicable data retention policies.

Why We Retain Information

Sherlock retains information only for legitimate purposes, including:

• Providing face search functionality.

• Maintaining App performance and reliability.

• Restoring subscriptions or credits where applicable.

• Detecting, investigating, and resolving technical issues.

• Protecting the security of Sherlock and its users.

• Complying with applicable legal obligations.

8.1 Uploaded Images
Images you submit for face searches are processed only to perform the search you request.

Sherlock does not permanently store uploaded images on its own servers.

Uploaded images are processed by FaceCheck.ID according to their own Privacy Policy and retention practices.

8.2 Search History
Search history is stored locally on your Android device for your convenience.

Your locally stored history may include:

• Search thumbnails.

• Search timestamps.

• Search results.

• Related search information.

You may remove your search history at any time by:

• Using Clear Search History within the App.

• Clearing the App's storage from Android Settings.

• Uninstalling Sherlock.

8.3 Technical Information
Technical information such as analytics, diagnostics, and crash reports may be retained by our trusted service providers for as long as reasonably necessary to:

• Improve App performance.

• Diagnose technical issues.

• Maintain service reliability.

• Prevent abuse.

• Comply with applicable legal obligations.
  
  

9. Data Security
Protecting your information is important to us.

Sherlock uses reasonable administrative, technical, and organizational safeguards designed to help protect information processed through the App.

Security measures include:

• Encrypted data transmission using HTTPS.

• Secure communication with trusted third-party service providers.

• Access controls designed to prevent unauthorized access.

• Security monitoring to detect abuse or suspicious activity.

• Industry-standard cloud infrastructure used by our service providers.

Although we take reasonable measures to protect information, no method of electronic transmission, storage, or processing can be guaranteed to be completely secure.

Accordingly, we cannot guarantee absolute security.
10. Children's Privacy
The App is not intended for children. You must be at least 18 years old to use Sherlock.

Do not upload, submit, or search images of anyone under the age of 18.

Sherlock does not knowingly collect personal information from children. If you believe that information relating to a child has been submitted through the App, please contact us using the information provided in the Contact Us section below.

11. Responsible Use of Sherlock
Sherlock is intended to help users perform legitimate reverse image face searches.

By using the App, you agree to use Sherlock responsibly and in accordance with applicable laws.

You must not use Sherlock to:

• Harass, intimidate, or threaten others.

• Stalk or unlawfully monitor any individual.

• Violate another person's privacy or legal rights.

• Impersonate or misrepresent another person.

• Discriminate against or unfairly target any individual.

• Upload images that you do not own or do not have permission to use.

• Upload or search for images of individuals under the age of 18.

• Use the App for unlawful, fraudulent, or malicious activities.

• Attempt to interfere with the operation, security, or integrity of Sherlock or its services.

Failure to comply with these requirements may result in restrictions on your use of the App where permitted by applicable law.
12. International Data Transfers
Sherlock and its trusted third-party service providers may process information on servers located in countries outside your country or region of residence.

As a result, information may be transferred to, stored, or processed in jurisdictions that may have different privacy or data protection laws.

Where applicable, reasonable safeguards are implemented to help protect transferred information in accordance with applicable privacy and data protection laws.

By using Sherlock, you understand and acknowledge that your information may be processed internationally when necessary to provide the App's services.
13. Your Privacy Rights
Depending on your country or region of residence, you may have certain rights regarding your personal information under applicable privacy laws.

These rights may include the right to:

• Request access to your personal information.

• Request correction of inaccurate information.

• Request deletion of certain personal information.

• Request restriction of certain processing activities.

• Object to certain types of processing where permitted by law.

• Request information about how your personal information is processed.

Because Sherlock stores search history locally on your Android device, you can remove locally stored information at any time by:

• Using Clear Search History within the App.

• Clearing the App's storage from Android Settings.

• Uninstalling the App.

If you have questions regarding your privacy rights or wish to submit a privacy-related request, please contact us using the information provided below.
14. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect:

• Changes to Sherlock.

• New features or services.

• Changes to third-party providers.

• Legal or regulatory requirements.

• Security improvements.

When we make material changes, we will update the Last Updated date shown at the beginning of this Privacy Policy.
Your continued use of Sherlock after an updated Privacy Policy becomes effective constitutes your acceptance of the revised Privacy Policy.
We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.
15. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us:

Sherlock – AI Face Search

Support Email:
rtpopyakter@gmail.com

We will make reasonable efforts to respond to your inquiry as soon as practicable.