0+ iOS apps curated and reviewed
If you already know Trace, this is the deeper bench. 0+ knowledge graph apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | Yes | Jul 2026 |
| 2 |  | Free | 4.8★ (150) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (485) | No | Yes | Aug 2026 |
| 4 |  | $2.99 | — | No | No | Jul 2026 |
| 5 |  | Free | 4.8★ (13K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (448K) | No | No | Aug 2026 |
| 7 |  | Free | 5.0★ (2) | No | No | May 2026 |
| 8 |  | Free | 4.3★ (6.2K) | No | No | Aug 2026 |
This app helps you capture, connect, and visualize all your ideas, notes, and files across devices. It acts as a digital memory, showing related items and allowing for dynamic mind mapping and powerful search to help you recall information instantly.
This app offers bite-sized learning content across a wide range of subjects, from psychology and science to history and technology. It utilizes cognitive science and a unique "Memory Shield" technology to help users retain information effectively, making learning engaging and fun.
This audio app delivers general knowledge through engaging 10-minute stories and quizzes. Learn about history, science, art, and more on the go, anytime, anywhere. It's designed to make learning easy and entertaining.
This platform allows users to ask questions on any topic and receive insightful answers from a global community. Discover personalized content, follow subjects of interest, and share your own expertise to contribute to a vast repository of knowledge.
Organize your thoughts and information with a personal knowledge base. Save web pages, highlight text, and sync across devices. Create questions and link answers to build a comprehensive understanding of any topic.
Access the world's largest free knowledge base with over 60 million articles in nearly 300 languages. Explore trending topics, save articles for offline reading, and customize your reading experience with various themes and text sizes. Contribute to the community by editing articles and participating in discussions.
Organize and search text documents and web pages with links within a mind map structure. Automatically create mind maps from text, import Wikipedia articles, and export your knowledge base as HTML. Also functions as a flowcharting tool.
This tool combines hierarchical and non-hierarchical note-taking methods. It uses files, folders, and bi-directional links to organize information. Visualize connections and share notes securely.
This application allows users to easily graph functions and equations, identify key points, and share their work. It's a powerful tool for learning math and science, offering features like regression and access to learning activities.
Expand your general knowledge with concise, engaging articles on diverse topics like science, history, and art. Designed for busy adults, this app delivers quick, fact-checked reads in 5-10 minutes daily to foster lifelong learning and personal growth.
This app creates various types of graphs from numerical data. Users can easily input and edit data, then export their visualizations via email, print, or save them. It offers extensive graph types and interactive features for exploring data.
Easily create professional line, bar, and pie charts. Visualize your data with intuitive tools and share your creations.
Discover a new fascinating topic daily through interactive lessons. Ask questions to deepen understanding and build a visual knowledge map connecting diverse ideas. Turn idle moments into continuous learning and intellectual growth.
Access a vast library of educational content offline. Download encyclopedias, wikis, and more to browse anytime, anywhere without an internet connection. Save data and access reliable information even in remote areas.
This AI-powered tool helps you manage and organize your personal knowledge by collecting digital content from various online sources. It uses AI to extract insights, answer your questions, and provide AI-driven recaps to stimulate learning and understanding.
Create and view diagrams like flowcharts, mind maps, and org charts on your mobile device. This visual workspace facilitates real-time collaboration and data visualization. Diagrams sync instantly to your account and can be exported in various formats.
Organize and expand your knowledge with an AI-powered mind mapping tool. Create interconnected information networks, engage in AI conversations for insights, and automatically generate mind maps from discussions. Supports web access and data import/export.