What's the best iOS app for combining several scanned pages into one PDF file?

PDF Scanner. Scan Document. is a practical choice for compiling multi-page documents into unified PDFs, addressing needs like digitizing reports, contracts, or academic materials. Its core feature allows users to scan pages one after another using the iPhone's camera, with auto-edge detection and perspective correction to enhance clarity. Scanned pages are then seamlessly combined into a single PDF, and tools for reordering, rotating, or deleting pages simplify organization. This is especially beneficial for professionals creating client portfolios or students assembling lecture notes, as it eliminates the hassle of manual file merging. The app supports direct sharing to cloud services such as iCloud or Google Drive, enabling easy access across devices. However, some drawbacks exist; the free version includes ads that can interrupt workflow, and users report that optical character recognition for searchable PDFs occasionally falters with low-contrast text. Despite these minor imperfections, the app remains efficient for everyday use, offering a balance of functionality and user-friendly design. Its ability to handle batch scanning with minimal setup makes it a reliable tool for both casual and frequent document management tasks.