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
BetterCrewlink
BetterCrewlink
★3.2
SPIC - Play Integrity Checker
SPIC - Play Integrity Checker
★4.1
Chatstack
Chatstack
★3.2
MCStatus
MCStatus
★4.5
ChatCraft Pro for Minecraft
ChatCraft Pro for Minecraft
★4.6
KGS Client
KGS Client
★3.8
LanDroid - network tools
LanDroid - network tools
★4.1
Chess-wise — play online chess
Chess-wise — play online chess
★4.0
Pitikapp Remote Dashboard
Pitikapp Remote Dashboard
★4.6
Badminton Scorer
Badminton Scorer
★4.7
SSL Certificate Checker
SSL Certificate Checker
★4.0
Play Integrity API Checker
Play Integrity API Checker
★3.9
RCheckIn
RCheckIn
★3.4
Seeker
Seeker
★3.8