App info
- Installs
- 100,000+
- Category
- Productivity
- Content rating
- Everyone
- Version
- 8.3.4
- Released
- Jun 7, 2015
- Last updated
- 3 Oct 2026
- In-app purchases
- No
- Contains ads
- No
- Promo video
- Yes
- Requires Android
- 5.0
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What's newin version 8.3.4
• New: Comprehensive Timeline Feature – Introduced an interactive timeline including frontend and backend integration, zoom, resize grip, and localized date formats. • New: Advanced Import Options – Added support for structured Markdown and JSON imports. Wikipedia and Wikidata imports now support image attachments and user data mapping. • UI Update: Enhanced Onboarding and Help – Introduced a new intro dialog, completely revised introductory tours, and expanded the help assistant.
About this app
Try every feature: 3D mind maps, notes & kanban. One knowledge base.
Read full description
The infinite mind map: millions of connected ideas Conventional mind mapping apps hit their limits at 50 to 100 nodes and force you into a rigid tree structure. The InfoRapid KnowledgeBase Builder is a true knowledge network for personal knowledge management and your digital “second brain”: any node can be linked to any other and every relationship carries its own label. ★ What the Lite edition does Lite includes every feature of the full version – no time limit, no ads. The only difference: you work with exactly one knowledge base. It holds millions of items; only the full version manages several database files side by side. ★ Spectacular 3D view Experience your knowledge in space: the interactive 3D view arranges your network in a planetarium layout. Fly from node to node with animated camera moves, or let presentation mode carry you through a guided tour. ★ Whiteboard, mind map & kanban in one app Start out free-form in whiteboard mode: ideas, notes and tasks float loosely on an infinite canvas. Later on, arrange them as a classic mind map – or as a kanban and scrum board for projects and tasks. ★ Every kind of diagram, tidied up automatically Connect nodes by drag and drop, then label and weight every relationship. One click sorts the whole network radially, symmetrically, hierarchically or as a table. That is how mind maps, concept maps, flowcharts, org charts, family trees and even mathematical formulas (LaTeX) come together. ★ Notes, rich text & attachments Every node holds far more than a title: formatted notes, tables, checklists and cross-references. Attach PDFs, Word and Excel files, images or web links directly – with previews. ★ Full-text search that reaches into your documents The lightning-fast search covers not only the titles of your nodes, but the text content of every attached document. ★ Wikipedia, Wikidata & Obsidian import Search Wikipedia or Wikidata straight from the app and import entire articles along with their semantic relations as a finished mind map. From your own text, the analysis extracts keywords for brainstorming. Obsidian vaults can be imported too. ★ AI support for automatic diagrams Let modern AI models expand your diagrams, summarize text or insert entire structures – thanks to full support for the Model Context Protocol (MCP). ★ Categories, tags & live filters Group nodes by color and topic, and instantly hide the branches you do not need right now. ★ Open formats Export and import your knowledge network or sub-branches as JSON, XML, CSV, text document, image or 3D model. Also included: Flashcard trainer: the app automatically generates flashcards and cloze tests from your mind maps for studying at school and university (spaced repetition). Flowcharts from pseudocode: write simple logic text and the app draws the flowchart. History that lasts: up to 200 undo steps – even after restarting the app. Your data stays local: your knowledge base is stored as a fast SQLite file (.kdb) on your device instead of in someone else's cloud. No account, no forced cloud, no tracking. You only need the internet for the optional Wikipedia/Wikidata import and for AI support. On all your devices: share your .kdb file through the cloud storage of your choice with the editions for Windows, iOS, macOS and the browser. Made for trying it out: no time limit, no ads, no subscription. To keep several knowledge bases side by side, move up to the full version “InfoRapid KnowledgeBase Builder” – your .kdb file comes with you. More information and sample databases: https://inforapid.org/