kinda similar for me. When I look for a small app like a QR code scanner or a flashlight I search for "QR code scanner open source" or "QR code scanner github"

kinda similar for me. When I look for a small app like a QR code scanner or a flashlight I search for "QR code scanner open source" or "QR code scanner github" to easily find the open source ones that likely dont contain ads or malware