PDF Margin Adjuster vs BigPaper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
BigPaper
This app offers an infinite canvas for note-taking, PDF annotation, and mind mapping. Import various document formats and add text, handwriting, tables, and more. Efficiently organize and edit content without page limitations.
- Infinite canvas for freeform note-taking
- Import and annotate PDFs and other documents
- Mind mapping with element connections
- Handwriting and drawing tools with Smart Shapes
- Table creation and linking
- Multi-format document import and export
- Screenshot mode for quick content capture
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BigPaper is a borderless note taking application. You can import and expand PDFs and other formats in BigPaper and freely take notes in an infinite canvas without being limited by the edges of the document. You can use BigPaper on both iPhone and iPad for efficient editing with iCloud data sync. Whether it's annotating PDFs, making handbooks, or creating mind maps, BigPaper is ready to go. BigPaper's features include multi-format document import, text input, handwriting, mind mapping, tables, scanned documents, free edge screenshots, containers, folder management, search for handwriting and text, etc. We welcome every rating, and we will read every piece of feedback and take notes to incorporate it in future updates. Your 5-star review will encourage us to continue to upgrade BigPaper and introduce new features. —— Introduction of functions —— 「Infinite canvas, freeform add elements」 Canvas can be zoomed and moved for editing. Add documents in multiple formats such as PDF, as well as multiple types of elements such as tables, text, drawings, handwriting, pictures, stickers, paper, scanned documents, and more. These elements can be scaled and rotated. 「Mind Mapping - Easily connect ideas」 Innovative mind mapping mode. Connect elements on the page (text, pictures, tables, etc.) to quickly generate mind maps from inspiration. Also support the step-by-step enlargement of the idea by expanding the mind map. 「Type anywhere」 Customize the font, size and color of the text. To-do list, bullets can be added to the text. 「Brush Tool - Handwritten and Drawings」 Customize brush presets including color, transparency, tip size. Full-screen drawing, freely annotated documents that are not limited by the edges of the document. Smart Shapes: Hold a stylus or fingertip after drawing a graphic on the screen, intelligently recognize and generate the perfect shape. 「Create Table」 Easy create forms. Add row, add column, move row, move column. Tables can be linked to mind maps. 「Import and Export」 Imported document formats: PDF, Word, PowerPoint, Excel, Pages, Keynote, Numbers, etc. Expand all pages of the document to easily read and highlight all the content. Select text in the document to copy. Export PDF, export image, and BigPaper format. WYSIWYG, everything can be displayed in the exported document. 「Reading Mode」 Customize the "scrolling direction" to realize the classic reading mode. 「Screenshot Mode - Quickly capture key points」 In screenshot mode, you can continuously select areas to take screenshots, these screenshots will be added to the canvas immediately, and can continue to be edited and added to the mind map. 「Stickers, Paper Templates」 The themes of stickers include weather, three-dimensional geometry, music, etc., saving creation time and improving note-taking efficiency. Use stickers and paper stencils in combination to create beautiful manuscripts. 「Multiple Selection Tool - Efficient Editing」 You can freely select an area on the canvas using the multi-selection tool. The selected content as a whole can be resized, rotated, moved, deleted, and exported.Draw borders to take screenshots freely. 「Manage files with folders」 You can create folders to manage files. Easy personalization includes folder editing, file moving, sticking to the top, and more. 「iCloud Sync」 Continue to create notes on different devices and capture inspiration anytime, anywhere. 「Scan」 Scan documents, OCR text recognition(Available in English, Chinese, French, Italian, German, Portuguese and Spanish.) 「Search and Jump Locations」 Search for handwriting, text, text in documents. Also: OCR text recognition results of scanned documents and recognition of text in pictures. Contact us and send feedback: bp_10happy@hotmail.com
Screenshots
Verdict
The clearest difference is review sentiment: PDF Margin Adjuster at 83% against BigPaper's 27%. PDF Margin Adjuster also leads on rating (4.6 vs 4.0) and in-app purchases (none vs 1). BigPaper's advantage is update cadence (every 5 days vs every 3 months). On price, ratings volume, ads and device support 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
Both are free to download. BigPaper sells 1 one-off in-app purchase. PDF Margin Adjuster asks for nothing beyond the download.
PDF Margin Adjuster holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 45 and 17 respectively. Written reviews point the same way: 83% of PDF Margin Adjuster's written reviews are positive against 27% of BigPaper's.
PDF Margin Adjuster ships an update every 3 months, BigPaper every 5 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | PDF Margin Adjuster | BigPaper |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (45 ratings) — better | 4.0 (17 ratings) |
| Positive reviews | 83.3% of reviews — better | 26.7% of reviews |
| Number of ratings | 45 — better | 17 |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 253 MB |
| Age rating | 4+ | 4+ |
| Developer | Yohei Iseki | 10happy Technology Development(Dalian) Co.,Ltd. |
Customer experience
PDF Margin Adjuster
BigPaper
In-app purchases
PDF Margin Adjuster
No in-app purchases
BigPaper
- BigPaper - Full Version Unlock$8.99








