Goodnotes records 3,227,341 monthly visits with +10.8% month-over-month growth and Freemium, Free Trial pricing. Thinkstack.ai records 917 monthly visits with -47.4% growth and Freemium pricing.
Handwritten notes, PDF markup, and AI study tools on one canvas
Build custom AI chatbots and agents trained on your own data
| Dimension / Metric | | |
|---|---|---|
| Official Domain | goodnotes.com | app.thinkstack.ai |
| Pricing Model | Freemium, Free Trial | Freemium |
| Monthly Visits | 3.23M (3,227,341) | 917 (917) |
| MoM Traffic Delta | +314.75K (+10.8%) | -828 (-47.4%) |
| Primary Market & Share | 🇺🇸 United States (33.8%) | 🇺🇸 United States (48.2%) |
| Direct Visits / mo | 1.64M | 367 |
| User Rating | 4.4 | 4.1 |
| Supported Platforms | Website | Website |
Handwritten notes, PDF markup, and AI study tools on one canvas
Low-latency ink with palm rejection, cross-out to erase, and handwriting-to-text conversion keeps writing close to pen on paper.
Import contracts, papers, or textbooks and mark them up by hand, with searchable annotations and clean exports.
Search across typed text, handwriting, and sketches, and turn notes into summaries, mind maps, or structured plans.
Work together in shared notebooks, documents, and whiteboards simultaneously, without version conflicts or file ping-pong.
Build custom AI chatbots and agents trained on your own data
Create fully functional AI agents in seconds from a visual, no-code interface without engineering help.
Connect multiple data sources so the bot answers from your own documents, help content, and websites.
Automate customer actions and build autonomous systems that require minimal human oversight.
Move complex chats to live agents and collect structured data through chat-based forms.
SpecialistExcels at automatically generating flashcards and practice quizzes from study notes, but lacks freehand drawing features.
SpecialistExcels at automatically generating flashcards and practice quizzes from study notes, but lacks freehand drawing features.
SpecialistTurns course materials into interactive AI study tools, but focuses less on handwritten digital notebooks.
SpecialistTurns course materials into interactive AI study tools, but focuses less on handwritten digital notebooks.
SpecialistStronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
SpecialistStronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
SpecialistConverts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
SpecialistConverts notes and PDFs into quizzes and flashcards, but lacks stylus-based handwriting and sketching tools.
Provides gorgeous structured block-based document editing, but is built for typed text rather than handwritten notes.
Provides gorgeous structured block-based document editing, but is built for typed text rather than handwritten notes.
AI customer service that answers instantly and turns chats into revenue
AI customer service that answers instantly and turns chats into revenue
Custom AI agents trained on your documentation and knowledge base
Custom AI agents trained on your documentation and knowledge base
Organizes notes into interconnected typed objects rather than traditional notebooks, but lacks handwritten ink support.
Organizes notes into interconnected typed objects rather than traditional notebooks, but lacks handwritten ink support.
SpecialistUses an infinite visual canvas for note organization, but lacks Goodnotes' paper templates and PDF annotation polish.
SpecialistUses an infinite visual canvas for note organization, but lacks Goodnotes' paper templates and PDF annotation polish.
Offers spatial whiteboards for organizing complex research, but lacks Goodnotes' freehand handwriting stylus support.
Offers spatial whiteboards for organizing complex research, but lacks Goodnotes' freehand handwriting stylus support.
Custom AI support chatbots trained on your own website content
Custom AI support chatbots trained on your own website content
SpecialistAutomatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
SpecialistAutomatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
