Comparison

Instaboard vs Write on PDF

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

Head to head
About

Instaboard

This app combines a digital whiteboard, planner, and meeting space on an infinite canvas. Sketch ideas, manage tasks, and collaborate in real-time with built-in video calls. It's designed for visual planning, project management, and remote team collaboration.

Highlights
  • Infinite canvas for drawing and sketching
  • Structured cards with checklists and due dates
  • Kanban boards for task tracking
  • Calendar view for scheduling
  • Built-in video calls for live collaboration
  • Cross-device compatibility (iPad, iPhone, web)
Features
Read full description

Instaboard is a collaborative whiteboard, planner, trip planner, and PDF workspace for iPhone and iPad. Use it as a travel planner, project planner, visual organizer, document workspace, and meeting room—all on one infinite canvas. Plan trips, organize projects, sketch ideas, annotate PDFs, capture notes, and collaborate live in one app. Start with a Planning Board, Drawing Board, trip board, or Pages mode, then build your plan with cards, lists, sections, files, maps, and real-time collaboration. PLAN TRIPS AND ITINERARIES • Build a trip itinerary on a map • Add places, organize stops by day, and connect routes • Plan trips before dates are locked • Keep trip ideas, travel notes, and shared plans in one place • Great for vacations, group travel, weekend getaways, and road trips PLAN PROJECTS, EVENTS, AND EVERYDAY LIFE • Organize tasks, notes, links, files, and ideas on one visual board • Use cards, lists, sections, checklists, tags, and due dates • Plan projects, events, study sessions, moves, wedding details, and more • Turn messy planning into a shared system everyone can follow DRAW ON AN INFINITE WHITEBOARD • Sketch freely with your finger or Apple Pencil • Add text, shapes, arrows, images, and freehand drawings • Create mind maps, diagrams, brainstorms, flowcharts, and visual notes • Zoom out for the big picture or in for the details without running out of space SAVE EVERYTHING TO PILE • Pile is your inbox for planning • Save links, notes, images, and PDFs in one place • Capture ideas first and organize them later • Drag items from Pile straight onto your board TURN PDFs INTO BOARDS • Open a PDF as its own board in Pages mode • Add a PDF to an existing board and plan around it • Review, annotate, and collaborate on documents visually • Great for travel docs, homework, meeting materials, forms, and reference files COLLABORATE IN REAL TIME • Edit together live on the same board • See cursors, comments, and changes as they happen • Share by link, QR code, or 4 digit code • Invite friends, teammates, clients, classmates, or family MEET ON THE BOARD • Start built-in video meetings without switching apps • Talk, plan, and edit in the same space • Use Instaboard for remote meetings, tutoring, study groups, workshops, and trip planning WORK THE WAY YOU PLAN • Create boards offline and sync later • Export boards to PDF or image when you’re ready to share • Use Instaboard across iPhone, iPad, and the web Whether you’re planning a trip, organizing a project, drawing ideas on a whiteboard, reviewing a PDF, or running a live meeting, Instaboard gives you one visual space to plan, collaborate, and get things done. Get started by creating your first board, adding a few cards, and organizing them with lists, sections, and calendar. Then invite others to join and turn ideas into action on a single visual workspace. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://instaboard.app/privacy

About

Write on PDF

This app offers a digital whiteboard experience with advanced drawing tools and PDF integration. It allows for freeform sketching, note-taking, and organization with unlimited notebooks and templates. Collaborate or work independently with enhanced security and automatic backups.

Highlights
  • Advanced drawing tools with 7 ink types
  • Add text boxes, photos, and paper styles
  • Over 200 templates
  • Unlimited notebooks and folders
  • PDF import and export
  • Apple Pencil and stylus support
  • Folder and app-wide passcodes
Features
Read full description

Whiteboard PDF is an intuitive and focused whiteboard app for iPhone and iPad users. It's ideal for everyone who loves to sketch ideas, teach, or work with whiteboards. It brings your creativity to life. Key Features: + Simple and Intuitive: Enjoy the natural feel of a traditional whiteboard, enhanced with digital functionality. + Advanced Drawing Tools: Utilize 7 distinctive ink tools - Marker, Pen, Pencil, Monoline, FountainPen, Watercolor, and Crayon, specially designed for iOS 17. + Add text boxes, photos and different paper styles. + Choose from 200 Templates: Access over 200 templates to jumpstart your creativity and productivity. + Unlimited Organization: Keep your work structured with limitless notebooks, folders, and subfolders. + Customizable Notebook Covers: Personalize each project with unique notebook cover designs. + Collaborate or Work Independently: Whether you're sharing your whiteboard with a team or working solo, the app caters to all needs. + Seamless PDF Integration: Effortlessly import and export all your whiteboads in PDF format. + Enhanced Security: Keep your projects safe with app-wide passcodes and individual passcodes for specific folders. + Reliable Automatic Backups: Trust in the automatic backup feature to protect your notes and notebooks. + Apple Pencil & Other Stylus Support: Experience precise control with the Apple Pencil, featuring pressure sensitivity and tilt recognition, alongside compatibility with other styluses. Whiteboard PDF transforms your device into an incredible whiteboard experience, perfect for all your creative, educational, or professional needs! Privacy Policy http://www.noteswriter.com/Kairoos_Privacy_Policy.html EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Instaboard4 screens
Write on PDF4 screens

Verdict

The call

Instaboard and Write on PDF are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Instaboard sells 4 in-app purchases, starting at $7.99 per month and Write on PDF sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Instaboard against 4.9 for Write on PDF. Both are backed by a comparable volume of ratings — 11 and 19 respectively.

UpkeepUpdate frequency

Instaboard ships an update every 8 days, Write on PDF every 10 days. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

ScorecardNo meaningful differences
Instaboard versus Write on PDF: the parameters behind the verdict, then further details
ParameterInstaboardWrite on PDF
PriceFreeFree
Rating5.0 (11 ratings) — better4.9 (19 ratings)
Positive reviews100.0% of reviews—
Number of ratings1119 — better
Update frequencyEvery 8 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size180 MB260 MB
Age rating4+4+
DeveloperInstaboard Ltd.Kairoos Solutions SL

Customer experience

Instaboard

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Write on PDF

All ratings19 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Instaboard

Subscriptions4
  • Instaboard Pro7 Days trial$7.991 Month
  • Instaboard Pro$7.991 Month
  • Instaboard Pro (12 months)7 Days trial$59.991 Year
Show 1 more
  • Instaboard Pro7 Days trial$59.991 Year
2 purchases

Write on PDF

Subscriptions1
  • Unlock All Features and AI3 Days trial$1.991 Month
One-time1
  • Full Pro Unlock$5.99

Questions

Is Instaboard free?
Instaboard is free to download, with in-app purchases available.
Is Write on PDF free?
Write on PDF is free to download, with in-app purchases available.
Which has better reviews, Instaboard or Write on PDF?
Instaboard is rated higher. Instaboard averages 5.0 out of 5 from 11 ratings, while Write on PDF averages 4.9 from 19 ratings.
Do Instaboard or Write on PDF have ads?
Neither Instaboard nor Write on PDF shows ads.
Which is updated more often, Instaboard or Write on PDF?
Instaboard ships an update every 8 days, and Write on PDF every 10 days. Most recently, Instaboard was updated on September 24, 2026 and Write on PDF on September 23, 2026.

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