A note-taking app should match the kind of information being saved. Quick reminders, structured research, document storage, and collaborative notes each need different features.
For quick capture
Google Keep works well for short notes, checklists, and reminders that need to be created quickly.
For longer reference material
Evernote and Notion can be better suited to organized notebooks, pages, attachments, and structured collections of information.
For sharing
When notes are shared with family, classmates, or colleagues, look for clear permissions, edit history, and simple organization so everyone can find the same information.