Dimensional

Product Introduction

1. Dimensional is an AI-powered PDF reader designed for iPadOS 26, optimized for interacting with textbooks, research papers, and notes through advanced annotation tools and intelligent study features. It integrates Apple Pencil support, iCloud synchronization, and AI-driven functionalities like summarization, question answering, and quiz generation to enhance learning efficiency. The app targets users who require deep engagement with dense academic or professional documents, offering a unified workspace for reading, annotating, and active recall.
2. The core value of Dimensional lies in transforming passive reading into structured, interactive learning by leveraging AI to automate knowledge extraction and retention tasks. It reduces study time while improving comprehension through features like instant summaries, contextual Q&A, and customizable quizzes, all synchronized across Apple devices via iCloud. By combining native PDF annotation with machine learning, it serves as a centralized platform for students, researchers, and professionals to process complex materials efficiently.

Main Features

1. Dimensional enables AI-powered summarization of PDF pages or selected sections, using natural language processing to extract key concepts and present them in bullet points or condensed paragraphs. This feature supports adjustable summary lengths and focuses on technical terminology in academic/research contexts, allowing users to review dense material in seconds without manual note-taking. The AI model prioritizes context-aware compression, maintaining factual accuracy for subjects like STEM or legal documents.
2. The app provides an in-document question-answering system where users can type or speak queries about specific PDF content, with AI generating responses based on semantic analysis of the text. This feature cross-references highlighted sections, footnotes, and diagrams to deliver precise answers, functioning as a virtual tutor for complex topics. It supports follow-up questions and exports responses to notes for later review.
3. Dimensional automatically generates practice quizzes from user-highlighted text or handwritten notes, employing spaced repetition algorithms to optimize question difficulty and timing. Quizzes include multiple-choice, fill-in-the-blank, and diagram-labeling formats, with AI evaluating answers and explaining errors. This feature adapts to individual learning patterns, focusing on frequently misunderstood concepts from the uploaded materials.

Problems Solved

1. Dimensional addresses the inefficiency of manual note-taking and information overload when studying technical PDFs, reducing average review time by 60% through AI summarization and smart highlighting. Traditional methods often lead to fragmented notes and missed key points, which the app resolves by automating content analysis and retention workflows.
2. The product primarily serves graduate students, researchers, and professionals working with research papers, legal contracts, or technical manuals requiring frequent reference and annotation. Secondary users include educators creating course materials and lifelong learners managing self-study curricula.
3. Typical scenarios include medical students annotating journal articles while generating flashcards for board exams, lawyers analyzing case files with AI-highlighted precedents, and engineers reviewing technical specifications with instant access to summarized safety protocols. Researchers use it to cross-examine methodology sections across multiple papers via the AI Q&A system.

Unique Advantages

1. Unlike generic PDF readers like Adobe Acrobat, Dimensional specializes in academic and research use cases with domain-specific AI models trained on scholarly content, ensuring accurate handling of equations, citations, and technical jargon. Competitors lack integrated quiz generation and iCloud-synced Apple Pencil workflows tailored for Apple ecosystem users.
2. The app innovates with "Contextual Quiz Mode," where AI generates questions based on the user's annotation history and frequently revisited pages, personalizing test content. Another unique feature is multi-document AI cross-referencing, allowing users to ask questions that span multiple uploaded PDFs simultaneously.
3. Competitive advantages include offline functionality for core AI features, military-grade encryption for academic documents, and Apple Pencil gesture controls for activating summarization or quizzes. The app uses 40% less storage than competitors through optimized PDF rendering and iCloud delta updates.

Frequently Asked Questions (FAQ)

1. How does Dimensional ensure privacy for sensitive research documents? All AI processing occurs on-device using Apple Neural Engine, with optional server-based enhancements strictly encrypted via AES-256. Documents never leave user-controlled iCloud storage unless explicitly shared.
2. What Apple devices and OS versions are supported? Requires iPadOS 26.0 or later on M1 iPads or newer, macOS 26.0 on M1/M2 Macs, and visionOS 26.0 for Apple Vision Pro. iPhone support is planned for late 2025 with iOS 26 compatibility.
3. What subscription tiers are available? A free tier offers basic annotation with 10 monthly AI actions; the $19.99/month Pro plan includes unlimited summaries, priority AI processing, and team sharing; the $99.99/year Academic plan adds collaborative annotation and LaTeX equation support.