Idea Think: Thought Organizer

Capture ideas fast, branch them naturally, and organise everything offline. Idea Think turns scattered thoughts into a clear mind map you can search, tag, pin, visualise, and export whenever inspiration strikes. Whether you are planning a project, collecting insights, outlining content, or saving a passing idea before it disappears, Idea Think gives every thought a place to grow. CORE FEATURES - Capture ideas in one tap - Grow unlimited branches from any idea - View your structure in an interactive Tree Map - Search by text or tag across your whole library - Pin and tag important ideas for quick access - Export any idea tree as a clean PDF - Use daily reminders to build a thinking habit - Keep everything private and fully offline FAST CAPTURE Type a thought and hit send. No folders, no setup, no friction. New ideas land in your Inbox first, so you can capture now and organise later. NATURAL BRANCHING Tap any idea to drill deeper and add child branches. Start from one seed and grow it into a full mind tree as your thinking expands. VISUAL THINKING Use Tree Map view to see your idea structure at a glance. Pinch, zoom, and pan through your thinking visually. Long-press any node to edit, move, or delete. SEARCH AND ORGANISE Find any idea quickly with text or tag search. Filter by Top Level, Seedbed, Recent, Most Branched, or Deep Ideas. Pin the ideas you want to keep in focus. EXPORT AND SHARE Turn any idea tree into a beautifully formatted PDF. Share it with your team, send it to yourself, or archive your thinking for later. PRIVATE AND OFFLINE Everything stays on your device. No account. No cloud. No forced sync. Light and Dark Mode are both supported, with six accent colours to personalise your trees. FREE TO USE Idea Think is free to download and use. The app is supported by ads, which help us keep it updated and improving. Available in English, Japanese, Traditional Chinese, and Simplified Chinese.