Question: I need a solution that lets me save and categorize web pages and snippets with a single click, and also provides a mobile app for on-the-go saving.

If you're looking for a tool that lets you save and tag web pages and snippets with a single click and offers a mobile app for saving on the go, SaveDay is a great option. The tool not only saves web content rapidly but also organizes it automatically with no manual tagging required. It comes in three pricing tiers, including a free Basic plan, and is available for iOS, Android, Chrome Extension, Edge Add-on, Telegram and web app, so it's widely available.

Another good option is Zenfetch, an AI-powered bookmark manager that converts saved information into instant answers and creative ideas. It's got one-click saving, smart summaries and customizable organization. Zenfetch is available for multiple browsers and has mobile saving abilities, along with a collection of AI-powered tools to help you curate and retrieve your knowledge more effectively. It also offers daily/weekly recap emails and has two pricing tiers, including a Team plan for shared knowledge bases.

If you want to take a more personal approach, Recall lets you summarize and archive online information into a personal knowledge base. It uses AI to categorize and link new information to what you already know, and it's got offline access and data protection. Recall is available as browser extensions for Chrome and Firefox and has beta versions for iPhone and Android mobile apps, so it works on desktop and mobile devices.