Your personal knowledge base. Built for iOS.

Unit Notes is a native iOS note-taking application designed as a personal knowledge base. It enables users to capture, organize, and retrieve diverse types of information—including text notes, to-do items, voice recordings, web bookmarks, and files—within a single unified interface. The app targets knowledge workers, students, creatives, and professionals seeking a flexible yet streamlined alternative to fragmented productivity tools.
Unlike traditional note apps that enforce rigid document structures, Unit Notes adopts a modular block-based paradigm where each piece of content exists as an independent, rearrangeable unit. This design supports non-linear thinking, iterative organization, and contextual nesting without requiring technical expertise or complex setup.
Users interact with Unit Notes through a canvas-based interface where each item—whether a paragraph of text, a checklist, a voice memo, or a saved webpage—is represented as a self-contained block. Blocks can be dragged, reordered, nested inside other blocks, or grouped visually using color-coding and tagging. The interface supports intuitive gestures: swiping left on any block reveals search and action shortcuts; dragging blocks reorders them or embeds them hierarchically; and the Magic Plus button provides context-aware insertion options.
Content creation begins by adding a new block type from a centralized menu. Users can mix block types freely—for example, embedding a voice recording directly beneath a meeting summary, followed by a checklist of action items and a clipped article. All data is stored locally on device and synchronized securely to the cloud. Syncing occurs in the background and resolves conflicts automatically, preserving user intent during offline editing sessions.
Unit Notes serves practical needs across multiple domains. Students use it to structure lecture notes with embedded diagrams, audio highlights, and follow-up tasks. Writers organize blog outlines with inline references, image placeholders, and editorial checklists. Project managers consolidate meeting notes, decision logs, resource links, and sprint tasks in a single navigable hierarchy. Researchers collect and annotate web sources alongside field recordings and annotated PDFs. Its offline capability makes it suitable for environments with unreliable connectivity, such as travel, fieldwork, or classrooms. Because blocks are semantically independent and interoperable, users avoid context-switching between disparate apps while retaining the flexibility to scale organizational depth without interface bloat.
| Tier | Price | Elements | Key Features |
|---|---|---|---|
| Free | $0/month | 500 | Core block types, cloud sync, offline mode |
| Plus | $4.99/month (or $49.99/year, 17% discount) | Unlimited | Audio/Location/Toggle blocks, passcode lock, premium themes, offline web saving, unlimited uploads and devices |