HamzaNet Blocker provides simple and advanced ways to block access to the internet - no root required.

Hamzanet Blocker is an Internet blocker apps, It uses VPN service as a core function to do its jobs. The user always has completely authorization whether he will activate/inactivate this app.

Applications and addresses can individually be allowed or denied access to your Wi-Fi and/or mobile connection.

Blocking access to the internet can help:

* reduce your data usage
* save your battery
* increase your privacy
* Block annoying ADS inside application

Features:

* Simple to use
* No root required
* 100% open source
* No calling home
* No tracking or analytics
* Actively developed and supported
* Android 5.0 and later supported
* IPv4/IPv6 TCP/UDP supported
* Tethering supported
* Multiple device users supported
* Optionally allow when screen on
* Optionally block when roaming
* Optionally block system applications
* Optionally notify when an application accesses the internet
* Optionally record network usage per application per address
* Material design theme with light and dark theme
* Log all outgoing traffic; search and filter access attempts; export PCAP files to analyze traffic
* Allow/block individual addresses per application
* New application notifications; configure HamzaNet Blocker directly from the notification
* Display network speed graph in a status bar notification
* Select from five additional themes in both light and dark version

There is no other no-root firewall offering all these features.
HamzaNet Blocker does not collect any information.
HamzaNet Blocker forwards traffic of allowed connections directly to its destination and does not use a remote VPN server.
HamzaNet Blocker does not require unnecessary permissions.

All required permissions are :
INTERNET ('Full network access'): to forward allowed (filtered) traffic to the internet
ACCESS_NETWORK_STATE ('View network connections'): to check if the device is connected to the internet through Wi-Fi
READ_PHONE_STATE ('Device ID & call information'): to detect mobile network changes, see here for more details
ACCESS_WIFI_STATE ('Wi-Fi connection information'): to detect Wi-Fi network changes
RECEIVE_BOOT_COMPLETED ('Run at startup'): to start the firewall when booting the device
WAKE_LOCK ('Prevent device from sleeping'): to reliably reload rules in the background on connectivity changes
VIBRATE: to provide vibration feedback on widget tap
FOREGROUND_SERVICE ('foreground service'): to run a foreground service on Android 9 Pie and later
QUERY_ALL_PACKAGES: to list all apps on Android 11 and later