sometimes back i used 2 root a lot..........from my exp these r the best root apps for android: lucky patcher es file explorer(prefer pro) busy box or busy box pro terminal emulator or termux WPS connect zANTI cSploit AIDE APK editor Change my MAC Drive Droid Complete Linux Installer WIFI inspect SCR pro
And if u have time and ur phone supports nethunter......try flashing nethunter it turns ur mobile into a hacking beast