A firewall app will protect your Android device from attacks and security threats, but their advantages don’t end up there. The additional features supported by firewalls apps include the option to restrict network access to a specific app, Network & Packet filtering, as well as the possibility of monitoring network capabilities to track background data. Rooting is not necessary in order to run an effective firewall app on your Android device. Here you will find three options that will enhance the security of your online activities on Android and they can be used on un-rotted devices.
As the name suggests, this is a firewall that doesn’t require root and it offers all the features needed to keep your privacy protected. The app offers a user-friendly interface, precise access control and it will prevent your personal data from being sent to the internet. If an app is trying to access the internet, you will get a notification and will have the option to allow or deny this. By giving you the option to restrict access to the internet by default, the app also allows you to save Cellular data. With NoRoot Firewall, you can create filter rules based on host name, domain name or IP address. In addition, the app doesn’t require a high amount of permissions to run on your device. It can also be used to log out from IM apps such as WhatsApp. This solution created by Grey Shirts, boosts the security of your Android device and it enjoys a high rating in the Google Play store.
NetGuard by Marcel Bokhorst offers all the features necessary to make your Android device safer. It is easy to use, but at the same time, it offers advanced tools that will help you to prevent unauthorized background access to internet by the apps on your Android device. Root is not required and you can individually specify the applications and addresses that can be granted or denied access to your WiFi or mobile data connection. By blocking access to the internet, you can enhance your privacy, reduce your data usage and save battery life. You can rely on NetGuard to restrict background access to the internet, avoiding that your mobile data is used up by apps. When you use NetGuard, there is no tracking or analytics and it offers a wide variety of customization options that will optimize your experience with the app. It supports IPv4, IPv6, UDP and TCP and it gives you the possibility of blocking system applications. NetGuard is open source and is continuously updated and supported.
Mobiwol is another option that doesn’t require root and apart from adding a layer of security to keep your Android device protected, it offers multiple additional benefits. In terms of security, it is an effective option because it limits the network access permissions that are required by apps installed on your device. In addition, you can use it to save battery, keep your data usage low to make sure that you don’t go over your data plan. It is a practical solution to manage your mobile apps in a smart and secure way. You can allow or deny app connectivity and block app activity on the background. If a new app attempts to access the internet, Mobiwol will notify you. Thanks to Mobiwol, you will be able to control your Android device and the data that is accessed and shared online. Mobiwol allows you to set different rules for Internet access for apps, based on the connection type. This gives you flexibility to allow internet access only when you are connected to WiFi and block access on mobile data, for example.