Stickyboard vs SigmaNote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stickyboard
This app offers a digital whiteboard with an unlimited stack of virtual sticky notes for organizing ideas. Easily rearrange, color-code, and visualize relationships between your thoughts on a zoomable canvas. Share your boards via email as PDFs for collaboration or archiving.
- Zoomable digital whiteboard
- Unlimited sticky notes
- Color-coding options
- Free-form drawing tool
- Email boards as PDF
- Note expose grid view
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PLEASE DOWNLOAD STICKYBOARD 2 INSTEAD! This is the old version of Stickyboard. Please download Stickyboard 2 instead (it's a lot better!): Tap to the Developer page, or search for "Stickyboard 2". Imagine A Giant Whiteboard With A Never-Ending Stack Of Sticky Notes. LIKE REAL NOTES, ONLY BETTER Nothing beats a whiteboard and sticky-notes for capturing lots of loose information and visualizing their relationships. It's easy to rearrange ideas, see the big picture, and discover important patterns. Stickyboard takes that flexibility and adds the convenience and power of your iPad. Don't worry about losing notes after a meeting. Organizing notes are now a snap. It's much easier to carry around, and a lot friendlier for the environment. Put all your ideas on a single board and easily see everything at once by zooming in and out. Use any color coding system you like. Effortlessly drag and drop your notes - unlike paper sitcky notes, they don't fall off after too may moves. Think in the way that works best for you, and for the problem at hand. --- Features: --- + A clean and uncluttered interface with fast and fluid controls only possible on the iPad. + A large, zoomable board to capture all your ideas. Zoom by pinching, and pan by dragging the board. Tap to add a note. Drag notes around with your finger. + It's easy to rearrange ideas, capture their relationships, and discover important patterns. + Four standard colors (yellow, blue, pink, and green), plus 2 special ones (lavender and sunrise). + Free-form drawing with the marker tool. Write, outline, and sketch around your notes. + Email boards as PDF. Easily share with colleagues or archive changes. + Infinitely flexible. Use all your real-world sticky-note techniques (visit our website for tips and resources). + Note expose: Swipe down with 3 fingers to view all notes arranged in a grid. Swipe again to restore. Don't worry, your layout is always preserved. + Tap the qrayon logo to view help, plus get the latest tips & tricks. The Free Edition of Stickyboard comes with one large board, perfect for a single project. It includes most of the major features of the Pro Edition. Upgrade in-place to the Pro Edition at any time to get all the Pro features: + Multiple boards + Multi-colored markers + Project to an external VGA display (requires VGA connector) plus get future Pro upgrades free and support the continued effort of developing even more awesome features and apps. --- Stickyboard is great for: --- • TODOs and reminders • Scheduling and planning • Meeting notes • Brainstorming and organizing your ideas • Doodling and sketching --- We LOVE to hear from you! --- Productivity apps for the iPad are a new and vast frontier with plenty of possibilities. We are committed to building apps that you will find useful for your work and business. Stickyboard is continuously being improved and updated. Visit www.qrayon.com to let us know what you are looking to do, and what features you would like to see in a future release. We love feedback. Follow us on our blog or at twitter.com/qrayon to hear about the latest work we are doing to make the iPad a truly great productivity device. If you find Stickyboard useful, please help us by rating it. Apps live and die by their ratings, and your feedback is very important to us.
SigmaNote
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.
- Capture knowledge from diverse sources
- AI agents for organization and retrieval
- Learn through conversation and listening
- Voice-driven AI writing and content creation
- Unified knowledge lifecycle management
- Cross-format knowledge integration
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SigmaNote — AI-Powered Knowledge Hub SigmaNote lets you build your own AI-powered knowledge hub — a single place to capture, manage, learn from, and create knowledge. It goes beyond notes or chat. SigmaNote gives you AI agents that work with your knowledge, across every format. Capture Knowledge from Anywhere Bring knowledge into SigmaNote from any source: • Notes and markdown documents • PDFs, files, and document scans • Images with OCR • Web pages and web archives • YouTube videos (with or without subtitles) • Voice recordings and system audio • Real-time, multi-language transcripts No format limits. Everything becomes searchable and usable. AI Agents That Organize for You SigmaNote’s AI agents help you: • Find relevant knowledge instantly • Organize content into the right Spaces • Connect related ideas across files and formats • Reduce clutter as your knowledge grows Your knowledge hub stays structured — without manual effort. Learn by Listening, Reading, and Conversation Knowledge shouldn’t just sit there. With SigmaNote, AI agents can: • Proactively read or speak knowledge to you • Explain complex topics in simple terms • Answer questions grounded in your materials • Help you think through ideas step by step It’s like discussing your knowledge with a personal tutor or teammate. Talk to Write. Build New Knowledge. SigmaNote introduces voice-driven AI writing. You can talk to an AI agent to: • Write new documents • Edit and update markdown files • Refine ideas through conversation • Create knowledge using your entire hub or a selected document This turns thinking out loud into structured writing — powered by everything you’ve learned. From Capture to Creation SigmaNote supports the full knowledge lifecycle: • Capture information • Understand it with AI • Absorb it through reading and listening • Create new knowledge by talking and writing All in one personal system. Who It’s For Students, researchers, founders, consultants, lawyers, clinicians, creators — anyone who wants to own their knowledge and build with it. Why SigmaNote • One hub for all knowledge formats • AI agents grounded in your data • Learn by conversation, not just reading • Turn knowledge into output Legal Term of services & privacy policy: https://www.signifyid.com/terms/view.html?doc=privacy_policy https://www.signifyid.com/terms/view.html?doc=term_of_service
Screenshots
Verdict
The clearest difference is rating: SigmaNote at 5.0 against Stickyboard's 4.5. SigmaNote also leads on update cadence (weekly vs fortnightly). Stickyboard's advantage is iOS requirement (8.0 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Stickyboard sells 1 one-off in-app purchase and SigmaNote sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.
SigmaNote holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Stickyboard ships an update fortnightly, SigmaNote weekly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | Stickyboard | SigmaNote |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 48.3% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 8.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Qrayon, LLC | SignifyID LLC |
Customer experience
Stickyboard
SigmaNote
In-app purchases
Stickyboard
- Upgrade to Stickyboard Pro$4.99
SigmaNote
- SigmaNote Premium Monthly$8.991 Month
- SigmaNote Premium Plus Monthly$12.991 Month
- SigmaNote Premium Yearly$80.991 Year
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- SigmaNote Premium Plus Yearly$116.991 Year









