SpecialistExcels at automatically generating flashcards and practice quizzes from study notes, but lacks freehand drawing features.
Goodnotes records 3,227,341 monthly visits with +10.8% month-over-month growth and Freemium, Free Trial pricing. Truffle records 413 monthly visits with -86.9% growth and Free Trial, Paid pricing.

Track how ChatGPT, Gemini, Claude and Perplexity answer your buyers' questions
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | goodnotes.com | runtruffle.com |
| Pricing Model | Freemium, Free Trial | Free Trial, Paid |
| Monthly Visits | 3.23M (3,227,341) | 413 (413) |
| MoM Traffic Delta |
| +314.75K (+10.8%) |
| -2.73K (-86.9%) |
| Primary Market & Share | 🇺🇸 United States (33.8%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 1.64M | 134 |
|---|
| User Rating | 4.4 | 4.2 |
|---|
| 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.

Track how ChatGPT, Gemini, Claude and Perplexity answer your buyers' questions
One 0–100 score weighting every engine by real market reach, so a strong week on Gemini and a weak one on Perplexity land in one comparable figure.
Track the purchase-intent questions your buyers actually type, with per-prompt visibility so you know which questions you own and which you are losing.
Auto-discovery finds competitors AI mentions alongside you, measures share of voice and alerts you when you are close to overtaking the leader.
See Google SERP top-10 rankings and AI Overviews next to ChatGPT, Perplexity and Gemini mentions in the same project.
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.
#2
SpecialistStronger online PDF editing and AI chat capabilities, but lacks tablet-optimized handwritten note-taking workflows.
#3SpecialistConverts 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.

Organizes notes into interconnected typed objects rather than traditional notebooks, but lacks handwritten ink support.

AI search visibility analytics for marketing teams
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.

AEO & GEO platform for AI search visibility

SpecialistAutomatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.

See what AI assistants really say about your brand.
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.
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.
Provides gorgeous structured block-based document editing, but is built for typed text rather than handwritten notes.
Organizes notes into interconnected typed objects rather than traditional notebooks, but lacks handwritten ink support.
AI search visibility analytics for marketing teams
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.
AEO & GEO platform for AI search visibility
SpecialistAutomatically converts lectures and PDFs into structured study guides, but lacks freehand ink and drawing tools.
See what AI assistants really say about your brand.