Are you trying to for your own router, or are you just testing your network's security ?
On newer Android versions (Android 9+), you typically don't need root access to scan, but you might need it to actually see saved passwords or perform deeper testing. Download Wps Wpa Tester Premium build 139 Mod apk
The safest route is downloading the official app from the Google Play Store . It allows you to test if your router is vulnerable to WPS PIN attacks. Are you trying to for your own router,