Based on the users' reviews of the Obsidian app, here are three cons and pros: **Cons:** 1. "Disorganized notes and tags, prone to clutter and difficulty finding specific notes." (15 words) 2. "Occasional lag and performance issues, mainly when syncing notes across devices." (15 words) 3. "Limited collaboration features, users wish for real-time co-editing and commenting." (15 words) **Pros:** 1. "Powerful note-taking capabilities, love the ability to pin and unpin notes for organization." (15 words) 2. "Beautiful design and user interface, makes it a pleasure to use daily." (15 words) 3. "Cross-platform compatibility and seamless syncing, always access notes across devices." (15 words) Note that the reviews are summarized based on the overall sentiment and common themes, and may not represent a single reviewer's exact words.