Apps like CheckValve

Here are some great alternatives to CheckValve by David A. Parker :
Ultrasonic
Ultrasonic
★4.1
Game Server Control Panel
Game Server Control Panel
★3.3
SPIC - Play Integrity Checker
SPIC - Play Integrity Checker
★4.1
MCStatus
MCStatus
★4.5
Chatstack
Chatstack
★3.3
ChatCraft Pro for Minecraft
ChatCraft Pro for Minecraft
★4.6
KGS Client
KGS Client
★3.8
GPSS Mobile
GPSS Mobile
★5.0
Chess-wise — play online chess
Chess-wise — play online chess
★4.0
LanDroid - network tools
LanDroid - network tools
★4.1
Play Integrity API Checker
Play Integrity API Checker
★3.8
RCheckIn
RCheckIn
★3.4
Check IP Range
Check IP Range
★5.0
Seeker
Seeker
★3.9
FRC Scouting
FRC Scouting
★4.2
App Snitch
App Snitch
★4.1