Comparison

Drawboard PDF Annotate, Markup vs Notes Writer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Drawboard PDF Annotate, Markup

Enhance your PDF workflow with powerful annotation and markup tools. This app offers a dynamic and intuitive experience for editing, drawing, and adding text to your documents. Access your work across multiple devices and collaborate in real-time.

Highlights
  • Dynamic PDF annotation tools
  • Cross-platform access and cloud sync
  • Real-time collaboration
  • Insert text, images, lines, and shapes
  • Convert images to PDF
  • Redact sensitive information (Pro)
  • Measurement tools (Pro)
Features
Read full description

Powerful PDF tools at your fingertips. The latest PDF technology and software for a better experience. With an intuitive UI designed for delight – there’s a better way to PDF! Do your best work with Drawboard. - Dynamic PDF tools that feel good to use - Multi-platform access and storage. Where you are, your work is. - Paperless. A way of working for a sustainable future TOOLS FOR EVERY JOB Fast, responsive, and accurate markup tools. Draw with best-in-class ink for flawless Apple Pencil hand-feel and finally replace pen and paper. CROSS-PLATFORM ACCESS ON ANY DEVICE Upload your annotated PDFs to the cloud and mark up with others in real time with instant sync. Go Pro in-app for additional storage capacity and advanced features. WORK YOUR WAY Customize your workspace by docking your favorite tools and build a toolbar that works for you! MORE - Text review markup - freehand highlighter, text highlighter, underline, strikeout, squiggly on PDF. - Insert lines and shapes - cloud tool, rectangle, ellipse, line, arrow, polygon and polyline on PDF. - Add text with a range of fonts and text styling options - Insert images and camera photos onto PDFs. - Convert JPG and PNG image files to PDF. - Write, annotate, ink and draw on PDFs. - Customize and edit annotation colors, stroke widths, and opacities. - Create new blank PDF documents of different size, color, orientation and page count. - Insert, rotate and delete PDF pages. - Open, read, mark up and save large and complex PDF documents. GET MORE WITH PRO - Redact text and sections of your PDF documents - Measure elements on your page with length and area measurement tools and smart page calibration - Add callouts, hyperlinks and audio notes to your documents - On-page ruler - measure objects on your page with the ease of using a tape measure

About

Notes Writer

This app is a comprehensive note-taking and PDF editing solution for mobile devices. It allows users to write, format, and organize notes, annotate PDFs, fill forms, and scan documents. The app offers advanced editing tools, powerful search, and seamless sharing and export options.

Highlights
  • Write and format notes
  • Annotate PDFs and fill forms
  • Organize with unlimited notebooks
  • Powerful full-text search
  • Document scanning
  • Sync with cloud services
  • Export to multiple formats
Features
Read full description

Every note. Every format. Unlimited Digital Notebooks. Like paper, but better. Take lecture notes, prepare for exams and develop your research. Bring the same tools to manuscripts, interviews, lesson plans, meetings and creative projects. Notes Writer keeps your work together on iPad, iPhone and compatible Apple silicon Macs. Designed for students and anyone who wants to learn, create and stay organized—including teachers, writers, journalists, doctors, architects, illustrators, mathematicians, researchers and business professionals. WRITE & CAPTURE • Handwriting, sketching & painting Take handwritten notes with Apple Pencil, type a document or explore a concept through drawing. Use dedicated sketching, watercolor and oil painting tools for illustrations and creative work. • PDF annotation Review lecture slides, medical literature and professional reports. Highlight PDFs, add comments, images and shapes, fill forms and sign documents. Keep your annotations beside the source material. • Recording & transcription Record lectures, business meetings and interviews, transcribe the audio and search the transcript for the detail you need. Add recordings to PDF notes and whiteboards, then listen back at your own pace. STUDY & RESEARCH • Courses, manuscripts & research projects Choose an optional project tree to arrange topics, sources and drafts in a Study Project. Use the Binder for structure, the Corkboard to plan sections and compilation to assemble a document or ebook. • Whiteboards, diagrams & outlines Create whiteboards with notes, images, recordings and tables. Build flowcharts and diagrams to explain a process, compare findings or plan a lesson or project. Use Outline Notes when your ideas need a hierarchy. • Flashcards & review Create flashcards with text, handwriting and images, or generate them from notes and PDFs with optional AI tools. Review with spaced repetition, answer by typing or speaking, and track your progress. MATH & SCIENCE • Calculations, Python & charts Math Notebooks combine written reasoning, symbolic calculations and Python cells. Plot results, explore a model and present your data in editable Chart documents. • LaTeX & technical PDFs Write technical papers in LaTeX and compile them to PDF with a preview of the result. For plans and technical drawings, set a scale and measure distances, perimeters and areas directly on the PDF. ORGANIZE & SHARE • Notebooks, folders & templates Create and customize folders, subfolders and notebooks. Choose names, covers and paper templates that suit each course or project. Scan handouts, search your collection and manage documents with sorting, moving and grouping tools. • Documents side by side Open documents in tabs and work with your reading and draft side by side. Create a study planner, lesson plan, research journal or manuscript within the same library. • Formats for your work Work across PDF, Microsoft Word (DOCX), EPUB, RTF, Markdown, plain text (TXT), HTML, LaTeX and OPML outlines. Edit formatted documents, read ebooks and export supported documents as PDF, DOCX, RTF, HTML or EPUB. Export options vary by document type. • Sync, backup & privacy Sync with iCloud and work with Dropbox and Google Drive files through the Files app, with changes synced by your provider. Set up automatic document backups, use autosave and recovery, and protect the app and folders with a passcode. OPTIONAL AI ASSISTANT Ask questions about your notes and documents, simplify an explanation, summarize a reading or refine your writing. Use translation, grammar and tone tools when they help. Review every suggestion and decide what belongs in your work. Start a notebook. Study, create and work your way. Privacy Policy http://www.noteswriter.com/Kairoos_Privacy_Policy.html Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Drawboard PDF Annotate, Markup4 screens
Notes Writer4 screens

Verdict

The call

The clearest difference is rating: Drawboard PDF Annotate, Markup at 4.8 against Notes Writer's 4.5. Drawboard PDF Annotate, Markup also leads on review sentiment (64% vs 45%) and iOS requirement (17.0 vs 26.0). Notes Writer's advantage is ratings volume (7.3K vs 2K). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Drawboard PDF Annotate, Markup sells 8 in-app purchases, starting at $5.99 per month and Notes Writer sells 8 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Drawboard PDF Annotate, Markup holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 2K and 7.3K respectively. Written reviews point the same way: 64% of Drawboard PDF Annotate, Markup's written reviews are positive against 45% of Notes Writer's.

UpkeepUpdate frequency

Drawboard PDF Annotate, Markup ships an update weekly, Notes Writer every 4 days. Both last shipped on October 29, 2026.

Scorecard4 real differences · 6 level
Drawboard PDF Annotate, Markup versus Notes Writer: the parameters behind the verdict, then further details
ParameterDrawboard PDF Annotate, MarkupNotes Writer
PriceFreeFree
Rating4.8 (2K ratings) — better4.5 (7.3K ratings)
Positive reviews64.2% of reviews — better45.2% of reviews
Number of ratings2K7.3K — better
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size98 MB660 MB
Age rating4+4+
DeveloperDrawboard Pty LtdKairoos Solutions SL

Customer experience

Drawboard PDF Annotate, Markup

All ratings1,996 ratings
Positive96.3%
Neutral1.7%
Negative2.0%
Written reviews316 reviews
Positive64.2%
Neutral12.7%
Negative23.1%

Notes Writer

All ratings7,332 ratings
Positive86.8%
Neutral5.1%
Negative8.1%
Written reviews959 reviews
Positive45.2%
Neutral15.1%
Negative39.7%

User reviews

Drawboard PDF Annotate, Markup

From 2K App Store ratings

What we love

  • 🚀 Excellent PDF annotation tools
  • 👍 Convenient cross-platform sync
  • 🚀 Fast and responsive
  • 👍 Great for students and professionals
  • 🚀 Smooth writing experience with Apple Pencil

Room to improve

  • 🐛 Occasional crashes and bugs
  • 🔒 Cloud storage limitations
  • 💰 Expensive subscription model
  • 🔍 Missing search and bookmark features
  • 🔧 Inconsistent functionality between platforms

Notes Writer

From 7.3K App Store ratings

What we love

  • 🚀 Smooth writing experience
  • 💡 Versatile note-taking features
  • 🔒 Good privacy
  • 👍 Useful for various purposes (notes, PDF annotations, etc.)

Room to improve

  • 🐛 Crashes and freezes
  • 🔒 Limiting free version with paywalls
  • 🐛 Bugs with erasing, page management, and file corruption
  • 🐛 Laggy performance and slow loading times

Bugs and requests

Drawboard PDF Annotate, Markup

Reported bugs

5 issues
  • Annotations not syncing properly between devices
  • Unexpected loss of work and unsaved changes
  • Scrolling and page navigation issues
  • Compatibility problems with certain PDF files
  • Text input box disappearing after scrolling

Requested features

5 requests
  • Add page flattening and form filling options
  • Improve eraser tool and precision
  • Implement a dark mode
  • Provide better organization and folder support
  • Add more customization options for tools and UI

Notes Writer

Reported bugs

4 issues
  • Notes randomly disappearing or getting corrupted
  • Inability to recover deleted documents
  • Unexpected behavior when adding/deleting pages
  • Syncing issues and broken links between documents

Requested features

4 requests
  • Add more brushes and pen customization options
  • Improve the clipping/selection tool
  • Implement OCR and handwriting search
  • Provide a Mac version

In-app purchases

8 purchases

Drawboard PDF Annotate, Markup

Subscriptions6
  • Pro Lite7 Days trial$5.991 Month
  • Pro Plus7 Days trial$9.991 Month
  • Pro Unlimited7 Days trial$18.991 Month
Show 3 more
  • Pro Lite7 Days trial$49.991 Year
  • Pro Plus7 Days trial$83.901 Year
  • Pro Unlimited7 Days trial$159.991 Year
One-time2
  • Pro Plus$10.00
  • Pro Unlimited$20.00
8 purchases

Notes Writer

Subscriptions3
  • Weekly$1.997 Days
  • Notes Writer Unlock All and AI3 Days trial$3.991 Month
  • Notes Writer Unlock All and AI3 Days trial$14.991 Year
One-time5
  • Full Version Unlock Pro$3.99
  • Full Version Unlock Pro$4.99
  • Full Version Unlock Pro2 variants$5.99
Show 2 more
  • Full Version Unlock Pro$6.99
  • Lifetime Pro Full Unlock$14.99

Questions

Is Drawboard PDF Annotate, Markup free?
Drawboard PDF Annotate, Markup is free to download, with in-app purchases available.
Is Notes Writer free?
Notes Writer is free to download, with in-app purchases available.
Which has better reviews, Drawboard PDF Annotate, Markup or Notes Writer?
Drawboard PDF Annotate, Markup is rated higher. Drawboard PDF Annotate, Markup averages 4.8 out of 5 from 2K ratings, while Notes Writer averages 4.5 from 7.3K ratings.
Do Drawboard PDF Annotate, Markup or Notes Writer have ads?
Neither Drawboard PDF Annotate, Markup nor Notes Writer shows ads.
Which is updated more often, Drawboard PDF Annotate, Markup or Notes Writer?
Drawboard PDF Annotate, Markup ships an update weekly, and Notes Writer every 4 days. Most recently, Drawboard PDF Annotate, Markup was updated on October 29, 2026 and Notes Writer on October 29, 2026.

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