ThinkSpark-AI Assistant Notes
Expand, summarize&chat with AI
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
- About IdeaNote
IdeaNote is a next-generation note app where AI accelerates your creativity.
- Key Features
AI Idea Expansion
Simply jot down your idea, and AI will suggest multiple perspectives and development paths.
Proofreading & Editing
Beyond fixing typos and grammar, AI helps refine your writing for clarity and impact.
Smart Summarization
Automatically condense long notes into 3-5 key bullet points. Organize information effortlessly.
AI Chat
Have a conversation with AI based on your note content. Perfect for brainstorming and refining ideas.
Folder Management
Organize your notes with customizable folders – Business, Creative, Daily Life, and more.
Favorites & Pinning
Mark important notes as favorites and pin them for quick access.
- Perfect For
- People who often forget great ideas before writing them down
- Anyone looking to streamline proposals and document creation
- Solo brainstormers who need a thinking partner
- Those who want to integrate AI into their daily workflow
- Free to Use
Core features are available for free.
Added Announcements: You can now view the latest announcements inside the app.
Important notice popup: Important announcements may appear when you launch the app.
Improved UI: Announcements are now shown in a cleaner card-style list.
Bug fixes and stability improvements: Minor fixes to improve reliability.
The developer, Keitaro Kuwabara, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- User Content
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Keitaro Kuwabara
- Size
- 2.2 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
16+
- 16+
- Contains
Unrestricted Web Access
- Copyright
- © 2026 k-uwa