Apps like Advanced PortChecker

Here are some great alternatives to Advanced PortChecker by CodeDead :
Fast Port Scanner
Fast Port Scanner
★3.5
Port Authority - Port Scanner
Port Authority - Port Scanner
★4.1
Net Tools (AdS)
Net Tools (AdS)
★4.3
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
PortDroid
PortDroid
★4.5
Net Scan
Net Scan
★4.2
Network IP Scanner
Network IP Scanner
★4.0
Ping & Net
Ping & Net
★4.6
Network Scanner
Network Scanner
★4.5
IMSO: server status monitoring
IMSO: server status monitoring
★4.2
IP Location & Info Tracker
IP Location & Info Tracker
★3.9
Network IP Port Scanner
Network IP Port Scanner
★4.2
Ping(Host) Monitor
Ping(Host) Monitor
★3.8