Fast Document Scanner is a mobile app that allows users to scan documents, files, ID cards, business cards, books, and images in HD quality and convert them into JPEG or PDF. The app automatically detects document borders and lets users manage their scanned documents easily. Users can share their files immediately over mail, One Drive, Dropbox, Google Drive, and other media platforms. The app also features a document editor that allows users to apply filters and images on documents, make notations, and cut, crop, copy, or paste in paper documents scanner.

PDF Scanner is another mobile app that allows users to scan documents, CVs, notes, and whiteboards into PDF. The app is recommended for those who need to scan documents for free and saves time and money by using free PDF scans. The app features a mobile document scanner that turns a phone camera into a PDF creator or PDF maker. Users can also apply filters and images in the PDF Scanner app and organize page size for PDF A4, Letter, Legal, and more.

Business Card Manager is an app that allows users to manage, exchange, and scan business cards. The app features a business card organizer that fetches card details and converts paper into a business card. The app also features a business card reader that scans and manages all visiting cards and contacts in Cam Scanner. The app is organized in groups such as business, VIP, colleagues, customers, and family, allowing users to manage or move their files in different groups.

Overall, these three mobile apps offer users a range of features for scanning and managing documents, business cards, and contacts. The apps are easy to use and offer high-quality output in JPEG or PDF format. Users can also apply filters and images, make notations, and organize their files in different groups. The apps are free to use and available on Android platforms.