SigmaNote
Build your AI knowledge base
About
This app acts as an AI-powered knowledge hub, allowing users to capture, manage, learn from, and create knowledge across various formats. It uses AI agents to organize content, answer questions, and facilitate voice-driven writing and content creation.
What's New in SigmaNote
2.0.0
January 8, 2026
SigmaNote has been rebuilt. Introducing an AI-powered knowledge hub — capture knowledge in any format, learn by conversation, and talk to write using your own knowledge.
MoreSubscription plans
SigmaNote Premium Yearly
SigmaNote Premium Yearly
Developer apps
FAQ
What kind of content can SigmaNote capture?
SigmaNote can capture a wide range of content including notes, markdown documents, PDFs, scans, images with OCR, web pages, YouTube videos, voice recordings, system audio, and real-time transcripts.
How does SigmaNote help users learn?
SigmaNote's AI agents can proactively read or speak knowledge to you, explain complex topics simply, answer questions grounded in your materials, and help you think through ideas step by step, acting like a personal tutor.
Can I create new content with SigmaNote?
Yes, SigmaNote offers voice-driven AI writing. You can talk to an AI agent to write new documents, edit existing markdown files, refine ideas through conversation, and create knowledge using your entire hub or selected documents.
What are the subscription options for SigmaNote?
SigmaNote offers several premium subscription plans, including SigmaNote Premium Monthly ($8.99), SigmaNote Premium Plus Monthly ($12.99), SigmaNote Premium Yearly ($80.99), and SigmaNote Premium Plus Yearly ($116.99).
Is SigmaNote available on multiple devices?
SigmaNote is supported on iPhone and iPad, making it accessible for users on Apple's mobile and tablet platforms.
How often is SigmaNote updated?
The latest version of SigmaNote is 2.0.0, and it was last updated on January 8, 2026. This indicates a relatively frequent update cycle for the application.
Does SigmaNote have ads?
No, SigmaNote does not contain advertisements. It is an ad-free application, focusing on providing a seamless user experience.
What is the age rating for SigmaNote?
SigmaNote has an age rating of 4+, making it suitable for a wide range of users, including younger individuals and families.