Mobile scanning apps are applications that allow users to capture and digitize physical documents using their smartphones or tablets. These apps utilize the device's camera to take pictures of documents, which are then processed to enhance clarity and convert them into digital formats like PDF or JPEG. This technology is useful for creating digital copies of receipts, contracts, and notes. Many mobile scanning apps also offer features such as optical character recognition (OCR), which enables users to extract text from scanned images. Popular examples of these apps include Adobe Scan, CamScanner, and Microsoft Office Lens. They provide a convenient way to manage documents on the go.