Comparison

Systweak PDF Editor vs PDF Studio

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

Head to head
About

Systweak PDF Editor

Easily scan, edit, and manage PDF documents on your iPhone. This app allows you to create, annotate, sign, protect, and fill forms in PDFs with just a few taps. Keep all your files securely stored locally on your device.

Highlights
  • Scan and edit PDF content
  • Create PDFs from scratch or photos
  • Annotate with highlights and notes
  • Add digital or drawn signatures
  • Secure PDFs with passwords
  • Fill and save PDF forms
  • Merge and compress PDF files
Read full description

Scan, Edit, Annotate, Protect & Sign PDFs in a Tap Scan, edit, and smartly manage your PDFs with Systweak PDF Editor. This all-in-one, lightweight app lets you scan, edit, annotate, create, sign, protect, and fill forms in PDF documents, all on the go, directly from your iPhone. Import existing PDFs into the app, then read, comment, edit, encrypt, and share them with just a few taps.

 No more printing, scanning, or switching devices, as everything you need to work with PDF files is right on your iPhone! Key Features: • Edit PDF Content – Add or modify text directly within your PDF. • Create PDF - Create PDF from scratch in different sizes and scanned photos. • Annotate with Ease – Highlight, underline, strikethrough, add notes, etc. • Add Signatures – Draw and insert e-signatures or digital signatures. • Secure PDF – Protect your PDFs with passwords or restrict copying/printing. • Form Filling – Easily fill PDF forms and save them for sharing or printing. • Watermark – Add text/image watermarks for branding or confidentiality. • Page Management – Reorder, rotate, insert, extract, duplicate, or delete PDF pages. • Merge PDF - Combine PDFs to create a single document. • Compress PDF - Optimize PDF and reduce the size of large PDFs. Benefits: Perform All Essential PDF Tasks: • Open and view PDF files quickly with the built-in PDF reader • Scroll, zoom, and search through lengthy documents effortlessly • Adjust page layout with tools like rotate, reorder, or extract pages Annotate PDF Files: • Add comments using sticky notes • Highlight, underline, strikethrough, or freehand draw to mark up content • Collaborate by sharing your marked-up documents instantly Sign Important Documents: • Fill out PDF forms directly by typing into fields • Add a digital signature or upload scanned signature images • Place and resize your signature exactly where needed
 Secure and Protect PDFs: • Add or remove password protection for sensitive documents • Encrypt files with different levels (128-bit RC4, 128-bit AES, and 256-bit AES) and save or share them, ensuring document privacy 
Additional Tools • Merge multiple PDF s into one file or split them as required • Compress large PDF files to make sharing easier without losing quality • Add watermarks for branding or verification • Bookmark pages for quick navigation • Mark important files as favorites for easy access anytime All Files Are Stored Locally: Your privacy matters. All documents are saved directly on your device and are never uploaded to our servers or shared with third parties. You have full control of your data. How to Get Started: • Install Systweak PDF Editor on your iOS device. • Open the PDF to work with or create a new PDF document. • Thereafter, using different PDF tools, you can edit, annotate, fill forms, add watermarks, sign, protect, and perform various operations on PDFs. • Save and share (as per the requirement) your final document.

About

PDF Studio

This app offers a comprehensive suite of tools for managing PDF files on your iPhone. It allows you to edit, compress, convert, scan, protect, and organize your documents entirely on your device for maximum privacy.

Highlights
  • Edit and organize PDF pages
  • Convert PDF to Text, HTML, Excel, JPG, PNG, BMP
  • Compress PDF file size
  • Merge and split PDF documents
  • Scan documents with camera
  • Add password protection and signatures
  • Convert images to PDF
Features
Read full description

PDF Studio: PDF Converter is your complete PDF editor, scanner, and file converter for iPhone. It brings all the essential PDF tools together in one fast, simple, and powerful app. Whether you want to compress, merge, split, convert, protect, organize, or scan documents, PDF Studio makes it easy. Everything is processed entirely on your device, ensuring complete privacy with no internet required. PDF Studio includes every major tool you need: • PDF Editor – Modify and organize your PDF pages • PDF Converter – Convert PDF to Text, HTML, Excel (CSV), JPG, PNG, BMP • Compress PDF – Reduce file size while maintaining quality • Merge PDF – Combine multiple PDFs into a single file • Split PDF – Separate pages or create new documents • Image to PDF – Turn photos and scans into professional PDFs • PDF Scanner – Scan documents using your camera • PDF Reader – Fast and smooth PDF viewing • Protect PDF – Add password protection • Unlock PDF – Remove existing passwords • Sign PDF – Add your handwritten signature • Watermark PDF – Insert custom text or image watermarks • Remove Pages – Instantly delete pages • Extract Pages – Save selected pages as a new PDF • Add Page – Insert blank or image-based pages • Rearrange PDF – Easily reorder pages • Rotate PDF – Rotate one or multiple pages • Crop PDF – Trim unwanted areas • Page Numbers – Add customizable numbering • PDF to Image – Export pages to JPG, PNG, or BMP • Image Conversion – Convert images to PNG, JPG, or BMP • Create ZIP – Compress multiple files into a ZIP archive • Extract ZIP – Open and extract ZIP files Advanced conversion tools include: • PDF to Text for easy copying • PDF to HTML for web-friendly formatting • PDF to Excel (CSV) for data extraction • PDF to JPG, PNG, BMP for high-quality image export • PNG, JPG, BMP to PDF for easy document creation This makes PDF Studio ideal for business, schoolwork, office documents, scanned files, photos, receipts, and more. Why Choose PDF Studio: PDF Converter? • 100% Offline Processing – Files stay on your device • No Subscriptions – One-time purchase unlocks everything • Fast and Secure – No uploads, no servers, complete privacy • Easy to Use – Clean and intuitive design • Full Featured – Replace multiple PDF apps with one Perfect For • Students needing PDF notes, homework, and scanned pages • Professionals working with contracts, forms, and reports • Anyone who needs a fast, reliable, and private PDF editor and converter Supported Devices • iPhone

Screenshots

Systweak PDF Editor4 screens
PDF Studio4 screens

Verdict

The call

The clearest difference is ads: Systweak PDF Editor at none against PDF Studio's shown. Systweak PDF Editor also leads on monetization model (free vs free with in-app purchases) and iOS requirement (14.0 vs 17.0). PDF Studio's advantage is update cadence (monthly vs every 7 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Systweak PDF Editor against 5.0 for PDF Studio. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Systweak PDF Editor ships an update every 7 months, PDF Studio monthly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

Scorecard4 real differences · 6 level
Systweak PDF Editor versus PDF Studio: the parameters behind the verdict, then further details
ParameterSystweak PDF EditorPDF Studio
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 7 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size70 MB46 MB
Age rating4+4+
DeveloperShrishail RanaAsha Vaghasiya

Customer experience

Systweak PDF Editor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PDF Studio

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Systweak PDF Editor

No in-app purchases

None

PDF Studio

No in-app purchases

Questions

Is Systweak PDF Editor free?
Systweak PDF Editor is free to download, with no in-app purchases.
Is PDF Studio free?
PDF Studio is free to download, with no in-app purchases.
Which has better reviews, Systweak PDF Editor or PDF Studio?
Systweak PDF Editor and PDF Studio are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Systweak PDF Editor or PDF Studio have ads?
PDF Studio shows ads; Systweak PDF Editor does not.
Which is updated more often, Systweak PDF Editor or PDF Studio?
Systweak PDF Editor ships an update every 7 months, and PDF Studio monthly. Most recently, Systweak PDF Editor was updated on November 4, 2026 and PDF Studio on November 8, 2026.

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