Rethink: DNS + Firewall + VPN

Firewall apps, use WireGuard VPN, monitor network, block malware, change DNS.

Nightbell

Uptime monitoring that runs on your phone. No server, no account.

OONI Probe

Measure Internet Censorship, Speed & Performance

TrackerControl

TrackerControl allows to monitor and control hidden data collection in apps.

NetGuard

A simple way to block access to the internet per application

Network Scanner

Fast, privacy-focused network scanner to discover devices on your local network

Spectre

Radio frequency scanner with recon and offensive capabilities

RKNHardering

Detects VPN and proxy usage on Android using RKN methodology

NodeLook

A general website checker for users facing internet restrictions.

Network Survey

Displays and Logs Cellular, Wi-Fi, Bluetooth, and GNSS Network Survey Details

WiFiAnalyzer

Optimize your Wi-Fi network

FairSpeed - Speed Tester

A lightweight, privacy-focused network performance monitor.

Keep it up

Network monitoring

SignalSense – Network Switch Alerts

Know the instant your network switches between 5G, 4G, 3G, or 2G

LANShield

Protect your LAN by managing app access to your local network.

WiFi Widget

Configurable widget for the monitoring of your WiFi connection details

PCAPdroid

No-root network monitor and traffic dump tool for Android devices

De1984

Privacy-focused Firewall and Package Manager for Android devices

Vernet - Network Analyzer

Host and Port scanner. Ping IP or domain.

Find my IP

Monitor your IP addresses

Atalaya

Monitor and get information from nearby cell phone towers.

ArtNet Receiver

Listen for and analyze ArtNet data in the local network.

Data Monitor

Track all your data usage - at one place

Network Tester

Wi-Fi access point tester

LibreSpeed

Check your Internet speed

Network Tools Library

This is the sample application from Android Network Tools open source library

k3pler

Network connection blocker and packet analyzer