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

Notes Writer brings handwriting, PDF annotation, rich text, Math Notebooks, voice recordings and AI writing tools into one workspace for iPad and iPhone. Capture a lecture, mark up a paper, plan a project or turn a rough draft into something ready to share. WRITE AND MAKE IT YOURS Create beautifully formatted notes with headings, lists, colors and highlights. Work with Word documents, RTF, Markdown and plain text. Open documents in tabs and move between your ideas and reference material without losing your place. WRITE ON PDFs WITH APPLE PENCIL Take handwritten notes, sketch in the margins and highlight what matters. Choose from pens, pencils, markers, fountain pens and watercolor tools. Use the eraser, lasso and ruler to refine your work. Add text, shapes, images, signatures and audio to PDF notes. Fill forms, organize pages and keep your reading and annotations together. Measure distances and areas on scaled drawings, and apply text redactions in supported PDFs. GIVE YOUR WRITING AN AI ASSIST Rewrite a passage, simplify difficult language, fix spelling and grammar, or adjust the tone. Summarize, translate and explore ideas with AI tools and chat. Keep control of what goes into your notes and documents. CAPTURE VOICE, FIND THE WORDS Record lectures, meetings and ideas while they are fresh. Play recordings back at your pace and generate transcripts to revisit the details. Add recordings to your PDF notes and whiteboards for more context. THINK BEYOND THE PAGE Build visual whiteboards with notes, images and recordings. Capture quick thoughts on sticky notes. Structure ideas in Outline Notes with nested branches, rich text and images. Collapse sections, rearrange your thinking, and import or export outlines in OPML format. WORK THROUGH THE NUMBERS Combine explanations and calculations in Math Notebooks. Explore formulas with the built-in calculation tools and run Python cells when you need more. Create charts, write LaTeX documents and preview the finished PDF alongside your source. ORGANIZE YOUR STUDY AND RESEARCH Bring your notes, readings and research together in Study Projects. Organize subjects, lectures and sources in the Binder, plan ideas on the Corkboard and keep reference material beside your notes. Study Projects give everything a place as your understanding grows. TAKE BIG WRITING PROJECTS FURTHER Organize writing projects into sections in the Binder, plan with a Corkboard and review your writing as a manuscript. Keep research beside your draft, save snapshots and compile your work into a finished document or ebook. ORGANIZE, SCAN AND SHARE Keep notes and documents in folders with recognizable covers. Scan paper documents, import files and find what you need with search. Export supported documents to formats including PDF, DOCX, RTF, HTML and EPUB. Use the Files app and supported cloud locations to bring your work with you. LOOK AFTER YOUR WORK Autosave, document recovery and automatic backups help protect your progress. Use app and folder passcodes for an extra layer of privacy. Continue opening your existing Notes Writer PDF notes and outlines as you move to the new workspace. From your first handwritten idea to your final document, make room for the way you think. 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 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

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 — better45.1% of reviews
Number of ratings2K7.3K — better
Update frequencyWeeklyEvery 5 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 MB658 MB
Age rating4+4+
DeveloperDrawboard Pty LtdKairoos Solutions SL

Customer experience

Drawboard PDF Annotate, Markup

All ratings1,984 ratings
Positive96.3%
Neutral1.7%
Negative2.0%
Written reviews296 reviews
Positive64.2%
Neutral12.2%
Negative23.6%

Notes Writer

All ratings7,329 ratings
Positive86.8%
Neutral5.1%
Negative8.1%
Written reviews956 reviews
Positive45.1%
Neutral15.2%
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 5 days. Most recently, Drawboard PDF Annotate, Markup was updated on October 24, 2026 and Notes Writer on October 25, 2026.

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