Bing found the following results
The List of The 7 Best WiFi Scanner Apps for Windows - NetSpot
Free WiFi Scanner for macOS and Windows — NetSpot
WiFi Analyzer - Official app in the Microsoft Store
Wi-Fi Scanner - LizardSystems
5 Best Free Wi-Fi Apps: Scan and Analyze Networks - Lifewire
Fing - Network Tools - Apps on Google Play
Free WiFi Analyzer App for macOS and Windows PC - NetSpot
Fing - Network Scanner on the App Store
Wifi Analyzer
WiFiman - Apps on Google Play