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.






248+ iOS apps & games curated and reviewed
Finding the right knowledge discovery app can be overwhelming with so many options. We've analyzed 248+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (2) | No | No | May 2026 | |
| 2 | Free | 4.7★ (448K) | No | No | Sep 2026 | |
| 3 | Free | — | No | No | Aug 2026 | |
| 4 | Free | — | No | No | May 2026 | |
| 5 | Free | 5.0★ (1) | No | Yes | Aug 2026 | |
| 6 | Free | — | No | No | May 2026 | |
| 7 | Free | 4.6★ (149) | No | Yes | Aug 2026 | |
| 8 | Free | — | No | No | Jun 2026 |






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.






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.






Access comprehensive service knowledge on your mobile device, both online and offline. Quickly find solutions to customer requests, create and share new service notes, and collaborate with colleagues to solve complex problems. Ensures data security and GDPR compliance.




Visualize your interests and learning journey on a dynamic map. Explore topics, follow questions with layered explanations and exercises, and retain knowledge through notes and spaced review. Designed for focused learning without endless scrolling.




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.








This app makes podcasts searchable and skimmable, allowing you to find specific quotes and insights in seconds. Easily bookmark, organize, and share key takeaways, and switch between reading transcripts and listening to audio.


This AI-powered chatbot unlocks vast amounts of information, offering personalized learning and instant answers to complex questions. It helps you expand your knowledge across various subjects and discover new ideas and perspectives.


This platform allows users to share their unique knowledge and earn money, or to gain insights from experts. Connect with specialists via in-app voice calls to access specialized information not found through general search engines.


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 app helps you organize your research for long-term use. It functions like a document but offers the power of a graph database for efficient information management.






Become a secret agent and explore real-world locations like parks and museums through augmented reality games. Solve scavenger hunt-style challenges and unlock rewards. Missions are available globally and can even be played at home.



