Choose Notion for structure
Notion works well when your notes need databases, status fields, calendars, and shareable pages.
Choose Obsidian for ownership
Obsidian is better when you want local markdown files, fast linking, and a long-term personal knowledge base.
Best answer for most people
Use Notion for operating systems and Obsidian for deep thinking. Mixing them is fine as long as each has a clear job.
Next step
This article is an MVP draft. The next content pass should add screenshots, personal testing notes, affiliate disclosures, and updated tool pricing before public launch.