Comparison

PDF Master vs PDF ToolBox

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

Head to head
About

PDF Master

Features
Read full description

PDF Tools Editor is the only PDF app you will ever need on iPhone. Scan, view, edit, annotate, sign, convert, merge, split, compress, and protect β€” every PDF task in one beautifully designed app. EVERYTHING YOU CAN DO WITH PDFs SCAN ANYTHING TO PDF Auto-detect document edges with your camera. Capture multi-page scans into a single crisp PDF. Choose color, grayscale, or black-and-white modes. Built-in OCR makes every scan searchable. POWERFUL PDF EDITOR Highlight text in twelve colors. Draw freehand with adjustable pen widths. Add text using custom fonts and sizes. Insert shapes such as rectangle, circle, and line. Place handwritten signatures anywhere on the page. Recolor any annotation in one tap. Apply multi-page annotations such as highlights that span across pages. Undo or redo every change. Resize and rotate any element. SIGN PDFs LIKE A PRO Draw your signature with finger or Apple Pencil. Save signatures for reuse. Place them on any page with a single tap. Capture works correctly in both light and dark mode without changing your ink color. CONVERT PDF AND BACK AGAIN Convert PDF to Word using real on-device RTF conversion. Convert PDF to images, Excel, or PowerPoint. Convert Word, Excel, PowerPoint, and images back to PDF. Choose the page size when converting images. Edit converted Word files inside the app. ORGANIZE AND MANAGE Merge multiple PDFs into one. Split a PDF by page ranges. Compress files to shrink size. Rotate pages individually. Add page numbers automatically. Add custom watermarks. Multi-select files for batch share or delete. SECURE YOUR DOCUMENTS Password-protect any PDF. Remove passwords from your own PDFs. Files stay on your device by default β€” nothing is uploaded. AI ASSISTANT AI Summarize condenses long PDFs into key points. AI Chat lets you ask questions about your document. Save summaries as new PDFs in your library. THIRTEEN LANGUAGES English, Vietnamese, Spanish, Portuguese (BR), French, German, Italian, Japanese, Korean, Simplified Chinese, Hindi, Arabic, Indonesian, Thai, and Turkish. DESIGNED FOR iOS System Light and Dark mode with manual override. Native gestures including swipe to delete and multi-select. Edge-to-edge layout that feels truly native. Fast performance β€” every action completes in under 200 milliseconds. WHO IT IS FOR Students annotating lecture PDFs. Professionals signing contracts on the go. Freelancers turning receipts into searchable PDFs. Anyone who deals with documents that need to be reviewed, signed, or shared. Download now and bring your PDF workflow up to speed. For questions or feedback, open Settings inside the app and tap Share App.

About

PDF ToolBox

Features
Read full description

PDF Toolbox is a free, simple PDF utility for everyday document tasks. Scan paper documents, turn photos into PDFs, merge multiple PDF files, split selected pages, compress large PDFs, and manage your saved documents in one clean app. Features: Scan documents to PDF using your camera Convert multiple images into one PDF Merge PDF files together Split selected pages from a PDF Compress PDFs to reduce file size Preview saved PDFs Rename, delete, and share local documents Export using the iOS share sheet No account or login required

Screenshots

PDF Master4 screens
PDF ToolBox4 screens

Verdict

The call

PDF Master and PDF ToolBox are too close to call on the numbers: across 5 compared parameters β€” price, ads, in-app purchases and device support among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
PDF Master versus PDF ToolBox: the parameters behind the verdict, then further details
ParameterPDF MasterPDF ToolBox
PriceFreeFree
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad β€” better
Requires iOS17.617.0 β€” better
Further details β€” not scored
Size2 MB6 MB
Age rating4+4+
DeveloperNguyen Hoang Tung1BIGRIG Ltd

In-app purchases

None

PDF Master

No in-app purchases

None

PDF ToolBox

No in-app purchases

Questions

Is PDF Master free?
PDF Master is free to download, with no in-app purchases.
Is PDF ToolBox free?
PDF ToolBox is free to download, with no in-app purchases.
Do PDF Master or PDF ToolBox have ads?
Neither PDF Master nor PDF ToolBox shows ads.

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