Need nodemcu esp8266 control app

Hello, it simple project of nodemccu esp8266, i want a simple app where i am adding multiple nodemcu and control from that app. Function is very simple, In that app every nodemcu we give name and then click on that nodemcu name we enter the some digits and in nodemcu (Any pin) will do On/Off as per enter digit, means if we enter 7 digits then that nodemcu generate (On/off) pulse 7 times, that's it. For that we want you to use google firebase, not mqtt.