Problem solved

Professionals lose their best thinking—clinical observations, product decisions, research patterns—because they forget to capture them or bury them in disorganized notes. Rhinal solves this by instantly structuring raw thoughts into a clean, searchable, and linked memory system stored privately in Notion, without relying on AI to fill gaps.

Use cases

• Capturing and structuring clinical case observations during overnight shifts
• Recording product decisions with reasoning to maintain team alignment
• Transforming scattered research notes into an organized, searchable knowledge base
• Preserving meeting insights and brainstorming sessions before they fade
• Building a personal knowledge graph that compounds over time across related projects
• Managing high-stakes thinking in fields like medicine, law, or engineering where forgetting is costly

Audience

• Researchers
• Business Users
• Content Creators
• Product Managers
• Enterprise

Pros

• Data stored in user’s own Notion workspace, ensuring full privacy
• Never invents information—asks clarifying questions instead of guessing
• Creates an interlinked, compounding knowledge graph over time
• Can run on local models for maximum privacy and zero cost
• Simple, calm interface designed for high-stakes environments

Cons

• Requires a Notion account, leading to platform dependency
• Paid product with no explicit free tier beyond the local model option
• Only Google sign-in is shown, limiting account options
• Initial setup may be technical for non-technical users wanting local model
• Limited to text input with no multimedia or advanced formatting support