Comparison

PDF Margin Adjuster vs BoardNotes

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

Head to head
About

PDF Margin Adjuster

Easily modify the margins of your PDF, PPT, and PPTX files. This app offers interactive tools to adjust margins precisely, from simple adjustments to advanced, side-specific controls. Save your modified documents directly to your device or cloud storage.

Highlights
  • Interactive margin adjustment
  • Simple, advanced, and expert modes
  • Adjust margins side-by-side
  • Save to device or iCloud
  • Share to other applications
  • Supports PDF, PPT, PPTX files
Features
Read full description

Have you experienced that a PDF file have too large/small margin? PDF Margin Adjuster allows you to adjust PDF margins interactively. How to Use === 1. Open a PDF/PPT/PPTX* file with the folder button on the lower left of the screen. You also can open a PDF/PPT/PPTX* file from another application (e.g. Safari). 2. Adjust the margin of the file. - Simple: adjust margin with the arrow buttons at the center of the screen. - Advanced: adjust margin either side separately. - Expert: adjust margin more finely and freely. 3. Save it to your own device or iCloud/ Share it to another application with the share button at the bottom of the screen. *PPT/PPTX is experimental feature, layout can be collapsed.

About

BoardNotes

This app combines whiteboard, notebook, PDF management, mind mapping, and flashcard creation into a single, versatile handwriting note-taking tool. It offers a wide array of pen types, organizational features, and study aids to enhance productivity and learning.

Highlights
  • Handwriting note-taking
  • Integrated whiteboard
  • PDF import and editing
  • Mind mapping functionality
  • Spaced repetition flashcards
  • Multiple pen and brush types
  • Layer management
Features
Read full description

Feature Introduction: BoardNotes is a versatile handwriting note-taking app that integrates five major functions—whiteboard, notebook, PDF, mind map, and flashcards—covering most note-taking scenarios. It serves as your All-In-One App. Handwriting Pen: 1. BoardNotes utilizes Apple's native pen technology and has developed additional pens tailored for Chinese writing, including a fountain pen, a laser pointer for presentations, and a tape pen for masking notes. 2. Choose from a variety of brushes (laser pen, tape pen, ballpoint pen, straight-line pen, wavy-line pen, custom fountain pen, quill pen, pencil, marker, watercolor pen, fill pen, single-line pen, crayon, freehand pen) to unleash your creativity. 3. Lasso tool (extremely powerful). 4. Eraser (pixel eraser and object eraser). Whiteboard: 1. The whiteboard is ideal for organizing fragmented knowledge, brainstorming, and boosting creativity. 2. Write and draw freely without worrying about boundaries. 3. Customize background colors and grid templates. 4. Add various card types (text, image, video, audio, webpage, file, handwriting). 5. Multiple auxiliary tools: background board, pins, link navigation (supports bidirectional links), connectors, timer (countdown supported), calculator. 6. Quickly locate notes using the search function. Notebook & PDF: 1. Create notebooks and PDFs with multiple paper templates and cover options. Import images from Photos or PDFs from the Files app as pages or covers. 2. Add text, images, stickers, videos, webpage snapshots, audio recordings, links (bidirectional links supported), timers, calculators, and floating PDF windows. 3. Layer functionality—show or hide layers as needed. 4. Insert new pages via blank sheets, images, scanned documents, or files. 5. Cut, copy, and paste pages into other notebooks or PDFs. 6. Duplicate, rotate, or delete pages. 7. Reorder pages via long-press and drag in thumbnail view. 8. Create outlines and add bookmarks. 9. Search (text, handwritten notes, etc.). 10. Import e-books (epub, mobi, azw, etc.). Mind Map: 1. Mind mapping is a key feature within the whiteboard. 2. Nodes support multiple formats (text, image, handwriting, video, audio, webpage snapshot, file). 3. Offers 3 structures and 18 color schemes. 4. Add summaries (brackets). 5. Handwritten mind maps (using handwritten cards). 6. Long-press and drag selected cards into the mind map. 7. Reorder nodes or adjust hierarchy via long-press and drag. Flashcard: 1. Flashcards use the SuperMemo algorithm to automatically schedule optimal review intervals, reminding you before forgetting to maximize memory efficiency. 2. Flashcards support text, images, and handwriting. 3. Quickly create cards from notes in whiteboards, notebooks, or PDFs using the rectangular lasso tool. Download BoardNotes for free on iPad, iPhone, and Mac. For suggestions, please contact us via the in-app feedback feature.

Screenshots

PDF Margin Adjuster4 screens
BoardNotes4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Margin Adjuster at none against BoardNotes's 25. PDF Margin Adjuster also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). BoardNotes's advantage is update cadence (every 10 days vs every 3 months). On price, rating, review sentiment and ratings volume 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. BoardNotes sells 23 one-off in-app purchases. PDF Margin Adjuster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for PDF Margin Adjuster against 4.7 for BoardNotes. Both are backed by a comparable volume of ratings — 45 and 111 respectively. Written reviews are what separate them: 83% of PDF Margin Adjuster's written reviews are positive against 81% of BoardNotes's.

UpkeepUpdate frequency

PDF Margin Adjuster ships an update every 3 months, BoardNotes every 10 days. The most recent releases landed on July 14, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
PDF Margin Adjuster versus BoardNotes: the parameters behind the verdict, then further details
ParameterPDF Margin AdjusterBoardNotes
PriceFreeFree
Rating4.6 (45 ratings)4.7 (111 ratings) — better
Positive reviews83.3% of reviews — better81.0% of reviews
Number of ratings45111 — better
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.0
Further details — not scored
Size1 MB356 MB
Age rating4+4+
DeveloperYohei IsekiChongqing Ouluowa Technology Co., Ltd.

Customer experience

PDF Margin Adjuster

All ratings45 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews42 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

BoardNotes

All ratings111 ratings
Positive94.6%
Neutral1.8%
Negative3.6%
Written reviews42 reviews
Positive81.0%
Neutral4.8%
Negative14.3%

Bugs and requests

PDF Margin Adjuster

Not enough reviews yet to summarise bugs or requests.

BoardNotes

Reported bugs

16 issues
  • Whiteboards erasing automatically
  • No automatic backup leading to data loss
  • Syncing issues between iPad and Mac
  • Pencil tip not appearing on PDF annotations
  • App crashes frequently
Show 11 more
  • Recording data is lost
  • Cannot create new notebooks
  • Gear icon for settings missing in dark mode
  • Issue with eraser and color selection logic
  • Lasso tool missing cut button after cropping
  • PDF embeds appear blurry
  • Handwriting search not implemented
  • Accidental touches/palm rejection issues
  • Chinese font display issues in markdown
  • App freezes when using search function
  • Software flashes back (crashes)

Requested features

24 requests
  • Sync to Google Drive/other cloud services
  • Faster 'add to cards' function
  • View carded items in sidebar
  • Color coding for pins
  • Image opacity adjustment
Show 19 more
  • Faster image copy from whiteboard
  • Android app version
  • WebDAV function
  • Markdown editing/viewing function
  • Handwriting recognition and search
  • Improve palm rejection/anti-touch
  • Add more brush types (with stroke variation)
  • Search for handwritten text
  • Dark Mode UI
  • More calculator functions (square root, trig identities)
  • In-app browser (ChatGPT, YouTube integration)
  • Easier UI navigation of notebook pages
  • Ability to change existing page formats
  • More in-depth pen fine-tuning
  • Optimize UI, move undo/redo to top right
  • Adjust pressure sensitivity
  • Customizable top toolbar icons
  • Add college rule paper
  • Translate function for papers

In-app purchases

None

PDF Margin Adjuster

No in-app purchases

23 purchases

BoardNotes

One-time23
  • 7 days membership$0.99
  • 5 days membership$0.99
  • Math Formula Recognition$1.99
Show 20 more
  • 1 month membership$1.99
  • Annual Membership$3.99
  • Permanent Unlock All$3.99
  • 6 months membership$3.99
  • 6 months membership (discount)$3.99
  • Permanent Unlock All$4.99
  • Annual Membership$4.99
  • 6 months membership2 variants$4.99
  • Full version Unlock$5.99
  • Annual Membership (discount)$5.99
  • 6 months membership$6.99
  • Permanent Unlock All$6.99
  • Annual Membership2 variants$6.99
  • Spring Festival Discount$6.99
  • Annual Membership$7.99
  • Permanent Unlock All$7.99
  • Permanent Unlock All(discount)$7.99
  • Permanent Unlock All$8.99
  • Permanent Unlock All$9.99
  • Permanent Unlock All$19.99

Questions

Is PDF Margin Adjuster free?
PDF Margin Adjuster is free to download, with no in-app purchases.
Is BoardNotes free?
BoardNotes is free to download, with in-app purchases available.
Which has better reviews, PDF Margin Adjuster or BoardNotes?
BoardNotes is rated higher. PDF Margin Adjuster averages 4.6 out of 5 from 45 ratings, while BoardNotes averages 4.7 from 111 ratings.
Do PDF Margin Adjuster or BoardNotes have ads?
BoardNotes shows ads; PDF Margin Adjuster does not.
Which is updated more often, PDF Margin Adjuster or BoardNotes?
PDF Margin Adjuster ships an update every 3 months, and BoardNotes every 10 days. Most recently, PDF Margin Adjuster was updated on July 14, 2026 and BoardNotes on September 23, 2026.

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