Apps like Advanced PortChecker

Here are some great alternatives to Advanced PortChecker by CodeDead :
Port Authority - Port Scanner
Port Authority - Port Scanner
★4.1
Fast Port Scanner
Fast Port Scanner
★3.5
UDP Sender / Receiver
UDP Sender / Receiver
★3.2
TCP Ports list
TCP Ports list
★4.6
Network Utilities
Network Utilities
★4.6
Packet Injection
Packet Injection
★3.8
Knock on Ports
Knock on Ports
★4.6
PortKnocker
PortKnocker
★3.7
PortDroid
PortDroid
★4.6
Network IP Scanner
Network IP Scanner
★3.9
Ping & Net
Ping & Net
★4.6
Net Scan
Net Scan
★4.2
Network Scanner
Network Scanner
★4.5
IMSO: server status monitoring
IMSO: server status monitoring
★4.2
IP Location & Info Tracker
IP Location & Info Tracker
★3.8
Network IP Port Scanner
Network IP Port Scanner
★4.2