CamScanner is a popular document scanning app developed by INTSIG, a Chinese company based in Shangai. This app was temporarily removed by Google from the Play Store after Kaspersky found that the app was reportedly distributing malware on smart devices. It's back on play store with necessary developments yet it's recommended to use the best alternatives to become self-reliant and to protect our private data.
Adobe Scan is one of the best alternatives that offer similar features to CamScanner and has been developed by Adobe Inc, an American company. With Adobe Scan, you can easily capture and convert documents, forms, business cards and whiteboards into high-quality Adobe PDFs. And with different capture modes, you can ensure that you capture the clearest scan every time.
Microsoft Office Lens is another best alternative that allows capturing pictures to save and edit digitally. It converts images into Word and PowerPoint files and PDF documents. It even converts hand-drawn whiteboard images into objects that can be moved, resized, coloured, and edited fully.