Most modern mobile apps have moved beyond just reading to include scanning and e-signature capabilities.

Searching for a PDF reader often leads to several highly-rated tools that vary based on whether you need simple viewing or heavy-duty editing. While many sites refer to "2022 updates," the current versions for 2026 offer significantly more advanced features like and cross-platform syncing . 📱 Top Mobile PDF Readers (Android & iOS)

A lightweight choice that automatically scans your phone for all document types. It supports dark mode and fast keyword searching.

Known for its speed and security, it remains a top free choice for both Windows and macOS users.