Obsidian vs Titan

Obsidian is a powerful note-taking and personal knowledge base app that stores your notes as plain Markdown files on your own device. Because your notes are just local files, they are private, fast and yours forever, even without an internet connection.

Obsidian's core idea is linking: you connect notes with links and see how ideas relate in a visual graph view, which makes it popular for research, writing, studying and building a "second brain". Thousands of community plugins and themes extend it, including AI plugins that let you chat with your notes, summarise or generate text using models like ChatGPT or local models. Canvas offers an infinite board for visual thinking.

Good fit if you…

Titan is an AI assistant that runs as a real Mac app rather than in a browser tab. You talk to it, it sees the screen you are looking at, and it can act inside the apps you already use, such as Notion, Mail, Calendar, Spotify, Chrome, Terminal, Slack, Linear and GitHub. It can also remember what you tell it, so conversations don't start from nothing every time.

Because Titan sees your live screen, you can ask things like "what does this error mean" without uploading a screenshot. It can open things, fill things in and send things, and it can point at what it means by drawing on the screen you are already looking at.

Pricing: Titan is free to download and free to start, with a small mon…