Hyphoon for Android
Privacy Policy

01 / Summary

Privacy at a Glance

The current Android App:

• does not require an account;
• does not contain advertising, analytics, attribution, or cross-app tracking SDKs;
• does not sell personal information;
• stores vehicle settings, sensor bindings, tire readings, activity records, alert state, and optional parking locations locally on the device;
• does not automatically upload TPMS, vehicle, parking, or diagnostic data to a server operated by Hyphoon; and
• exports a diagnostic report only when the user deliberately chooses to share it and selects a destination through Android’s share interface.

02 / Data

Information Processed by the App

2.1 TPMS sensor information

To monitor compatible tire sensors, the App scans for and receives nearby BLE advertisements. Depending on the sensor, the App may process:

• the identifier broadcast by the sensor;
• tire pressure and temperature;
• sensor battery voltage and status values;
• signal strength (RSSI);
• raw or decoded packet contents and reception timestamps; and
• the vehicle and wheel position to which the sensor is assigned.

The App uses this information to display readings, evaluate tire alerts, maintain recent reading history, support Android widgets and Android Auto, and diagnose sensor reception. This information is stored locally and is not automatically uploaded to Hyphoon.

2.2 Vehicle, settings, and activity information

The App stores information entered or selected by the user, such as vehicle names, vehicle types, wheel positions, pressure and temperature limits, measurement units, notification and voice preferences, sensor assignments, and App activity or alert records. This information remains on the device.

Users should avoid entering unnecessary personal information in free-text vehicle names or diagnostic notes.

2.3 Optional parking location

Parking Location is optional. The App accesses precise location only after the user chooses to save a parking location or use a related navigation feature. A saved parking record may include coordinates, accuracy, time, and an available address description.

Hyphoon does not continuously track location and does not use TPMS reception to build a location history. On Android 11 and earlier, Android treats BLE scanning as a location-related capability and may require Location permission even when Hyphoon uses it only to receive nearby sensor broadcasts. On Android 10 and 11, Allow all the time may be required so tire monitoring can continue while the App is not open. Hyphoon does not use that background permission to track or save the user’s location.

When Android resolves an address or the user opens navigation, Google, the device manufacturer, or the selected map provider may process location information under its own privacy policy. Hyphoon does not automatically receive that information.

2.4 Camera information

Camera access is used only when the user chooses to scan a sensor QR code. Camera frames are processed to recognize the sensor code. The App does not save photos or videos and does not upload camera content. Users may enter a sensor identifier manually instead.

2.5 Notifications, sounds, and voice alerts

The App uses local notifications, sounds, and optional on-device voice alerts to present tire warnings and monitoring status. Notification preferences and alert state are stored locally. The current version does not use a Hyphoon-operated remote push notification service.

2.6 Background monitoring and restart recovery

When monitoring is enabled, the App uses Android foreground-service and background Bluetooth mechanisms to continue receiving sensor broadcasts where Android and the device manufacturer permit it. Android may show a persistent tire-monitoring notification while the foreground service is active.

The App may respond to device restart, App update, or Bluetooth state changes to restore monitoring previously enabled by the user. These mechanisms are used only to provide tire monitoring and do not upload information to Hyphoon.

Background reception also depends on Android power management, device-manufacturer battery settings, Bluetooth state, radio conditions, and sensor behavior. Granting a permission does not guarantee reception of every sensor packet.

2.7 Optional diagnostic reports

Diagnostic tools are hidden by default and must be enabled by the user. A diagnostic session may record raw TPMS packets, sensor identifiers, signal strength, timestamps, App foreground or background state, Bluetooth scan and lifecycle events, Android device information, and App version. Capture stops after the selected duration or after 5,000 packets.

Diagnostic files remain on the device unless the user explicitly exports or shares them. The user selects the receiving app, service, or person. If a report is voluntarily sent to Hyphoon for support, it is used only to investigate the reported issue and retained only as long as reasonably necessary to resolve or document the request, unless a longer period is required by law.

03 / System access

Android Permissions and Their Purposes

Permission names and availability vary by Android version.

Users can deny or revoke optional permissions in Android settings. Disabling a permission may prevent the related feature from working. Bluetooth access is necessary for live TPMS monitoring; Camera and Parking Location are optional.

04 / Retention

Local Storage and Retention

Vehicle information, sensor assignments, settings, activity records, alert state, parking locations, and tire-reading history are stored in the App’s private local storage or Android-provided storage used by the App and its widget. Reading history is limited to recent readings per wheel for performance. Diagnostic capture is separately limited as described above.

Local information is retained until the user deletes the related vehicle or saved information, clears the App’s storage in Android settings, or uninstalls the App. Deleting a vehicle removes its sensor assignments, tire readings, activity records, active alerts, and saved parking location from the App.

Uninstalling the App normally removes local information, subject to Android backup or restoration settings controlled by the user or Google. Information voluntarily sent to Hyphoon for support is deleted when no longer reasonably needed to resolve or document the request, unless applicable law requires longer retention.

05 / Sharing

When Information May Leave the Device

Hyphoon does not sell personal information and does not share information for targeted advertising or cross-app tracking.

Information may leave the device only when:

• the user asks Android or a map provider to resolve or navigate to a parking location;
• the user deliberately exports or shares a diagnostic report;
• the user voluntarily contacts support and includes information in the request;
• disclosure is reasonably necessary to comply with law, protect safety, prevent misuse, or defend legal rights; or
• a future App version introduces a new service that is first described in an updated policy and, where required, presented for consent.

Google Play may independently process store, installation, purchase, device, or diagnostic information under Google’s own terms and privacy policies. That platform processing is not data automatically sent by the App to Hyphoon’s servers.

06 / Protection

Security

The App relies on Android security controls and stores App information in platform-protected local storage. Diagnostic files are shared through Android mechanisms only after a user action. No storage or transmission method can be guaranteed to be completely secure. Users should protect access to their devices and review the destination before sharing a diagnostic report.

07 / Age

Children’s Privacy

The App is a vehicle-maintenance utility and is not directed to children under 13 or the minimum age required by applicable local law. Hyphoon does not knowingly collect personal information from children.

08 / Control

User Choices and Privacy Rights

Users can:

• deny or revoke optional permissions in Android settings;
• disable Parking Location, notifications, voice alerts, or background monitoring;
• delete a vehicle and its associated local information;
• clear App storage or uninstall the App to remove local information; and
• contact Hyphoon regarding a diagnostic report or other information previously sent to support.

Depending on applicable law, users may have rights to access, correct, delete, restrict, or object to the processing of information they voluntarily sent to Hyphoon. Requests may be sent to support@hyphoon.tech. Sufficient information may be required to locate and verify a request.

Because the App has no user accounts and no Hyphoon-operated cloud storage for App data, Hyphoon normally cannot retrieve, view, or remotely delete information that exists only on a user’s device.

09 / Regions

International Processing

The App may be used in multiple countries. Information voluntarily sent to Hyphoon may be processed in the country where Hyphoon or its support service providers operate, subject to applicable law and appropriate safeguards.

10 / Updates

Changes to This Policy

Hyphoon may update this Privacy Policy when App functionality, platform requirements, or legal obligations change. The effective date will be updated and, when appropriate, notice will be provided in the App, on the Hyphoon website, or in the Google Play listing.