Netwatch

NetWatch is an app-specific communication control tool that runs on Android devices.

It allows users to manually manage communication on their device by setting "allow/block" communication for each app.

This application uses Android's VPN function (VpnService), but does not connect to an external VPN server.

Communication processing is performed within the device, and communication data and app usage data are not sent to external servers.

Main functions:
* Allow/block communication for each app
* Display of regular apps and system apps
* Warning display for important system apps
* Display of communication volume for the last 24 hours
* Sort by communication volume / by name / by installation order
* Pause device-wide communication
* Temporarily allow device-wide communication
* Return to individual settings

NetWatch is a communication management tool that runs within the device.

It is designed as an auxiliary tool for users to check the communication status of each app and allow or block communication as needed.

Usage Examples:
* Temporarily stop communication for a specific app.
* Reduce unnecessary background communication.
* Check which apps are using the most data.
* Check which apps are using data, including system apps.

Notes:
This app does not guarantee complete virus removal, malware detection, or prevention of unauthorized access.
Also, communication from PCs, game consoles, and other external devices connected via tethering may not be controlled.
Blocking communication for important system apps may affect notifications, Google Play, login, location services, backups, and app updates.
If you block system apps, please carefully review the settings before proceeding.

Permissions Used:
* VPN Permission: Used to allow or block communication for individual apps.
* Usage Access Permission: Used to display data usage for each app.
* Get App List: Used to display apps subject to communication control.

This app does not display advertisements.
It does not use external analytics tools or tracking SDKs.
Settings are saved on your device and can be changed from within the app.

NetWatch is a per-app network control tool for Android devices.

It allows users to manually allow or block network access for each app.

This app uses Android VpnService, but it does not connect to any external VPN server.
Network traffic is processed locally on the device.
The app does not send network traffic or app usage data to external servers.

Main features:
・Allow or block network access per app
・Display normal apps and system apps
・Show warnings for important system apps
・Display traffic usage for the last 24 hours
・Sort apps by traffic usage, name, or installation date
・Temporarily block device network access
・Temporarily allow device network access
・Return to per-app rules

NetWatch is an on-device network control tool.
It is designed as a utility tool that helps users review and manually control network access for each app.

Use cases:
・Temporarily block network access for specific apps
・Reduce unwanted background traffic
・Check which apps are using the most data
・Review network control targets including system apps

Important notes:
This app does not guarantee virus removal, malware detection, or complete protection against unauthorized access.
Network traffic from tethered devices, such as PCs, game consoles, or other external devices connected through the phone’s tethering feature, may not be controlled by this app.

Blocking important system apps may affect notifications, Google Play, login, location services, backups, app updates, and other system functions.
Please be careful when blocking system apps.

Permissions used:
・VPN permission: Used to allow or block network access per app.
・Usage Access permission: Used to display traffic usage per app.
・App list access: Used to display apps that can be controlled.

This app does not display ads.
It does not use external analytics tools or tracking SDKs.
Settings are stored locally on the device and can be changed within the app.