Apps like WebSocket Tester

Here are some great alternatives to WebSocket Tester by Invok Lab :
API Tester: Scripts & Terminal
API Tester: Scripts & Terminal
★4.6
ESP Web Radio Remote Control
ESP Web Radio Remote Control
★4.3
UDP/TCP Widget
UDP/TCP Widget
★4.9
Throughput Test Client
Throughput Test Client
★4.3
Web Tools: Ftp,Http,Speed Test
Web Tools: Ftp,Http,Speed Test
★4.1
Simple TCP Socket Tester
Simple TCP Socket Tester
★4.8
IMSO: server status monitoring
IMSO: server status monitoring
★4.3
Ping Toolkit: Ping Test Tools
Ping Toolkit: Ping Test Tools
★4.5
UDP Sender / Receiver
UDP Sender / Receiver
★3.2
Internet speed test by Meter.n
Internet speed test by Meter.n
★4.4
NetPal - netcat for Android
NetPal - netcat for Android
★4.3
Speed Test - Network Speed
Speed Test - Network Speed
★4.6
WiFi Analyzer - Speed Test
WiFi Analyzer - Speed Test
★4.0
Http Server
Http Server
★3.3
Speed test - Speed Test Master
Speed test - Speed Test Master
★4.6
Real Internet Speed Test
Real Internet Speed Test
★4.7