Comparison

PDF vs PDFTool Lab

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

Head to head
About

PDF

Secure your documents by adding password protection or remove existing passwords from PDF files. This app also offers tools to merge, extract, and convert PDFs, along with OCR capabilities to recognize text.

Highlights
  • Lock PDF with password
  • Unlock password-protected PDFs
  • Merge multiple PDF files
  • Extract or remove PDF pages
  • Add watermarks to PDFs
  • Scan and recognize text (OCR)
  • Digitally sign PDFs
  • Convert web pages to PDF
Features
Read full description

Instantly lock and unlock PDF password using PDF: Lock & Unlock. Your PDF will be locked or unlocked and ready for download within seconds. Most PDFs can be unlocked! Files with an owner password can be unlocked instantly. However, if the file is thoroughly encrypted, you can only unlock the file by providing the correct password. PDF: Lock & Unlock is the ultimate solution for managing your PDF files with ease and efficiency. Whether you need to secure, edit, or convert PDFs, this powerful iOS application provides all the essential tools in one place. Key Features: Secure & Protect Your PDFs * Lock PDF – Set a strong password to restrict unauthorized access. * Unlock PDF – Remove password protection from encrypted PDFs easily. Edit & Modify PDFs * Merge PDF – Combine multiple PDF files into a single document in seconds. * Page Remover – Delete unwanted pages from a PDF for a cleaner document. * Extract Pages – Select and save specific pages from a PDF as a new file. * Add Watermark – Protect your PDFs with custom text or image watermarks. Text Extraction & Recognition * Text Scanner (OCR) – Scan printed or handwritten text and convert it into digital text. * Text Recognize – Detect and extract text from images or PDF documents with high accuracy. * PDF to Text – Convert PDFs into plain text files for easy editing. Sign & Authenticate Documents * Digital Signature – Add legally binding electronic signatures directly to your PDFs. Convert & Share PDFs * Web to PDF – Save web pages as PDFs for offline reading and sharing. * Fast & Secure Sharing – Share PDFs via email, cloud storage, or messaging apps. How to remove passwords from PDF files: 1. Select your PDF document. 2. Enter your password. 3. Select the option to remove the password. 4. File will save in saved files. 5. Users can share saved pdf files Features: - Users can lock and unlock pdf files. - It is easy to use. - Users can get all saved pdf files. - Users can share pdf files. - Users can delete pdf files. - Users can view pdf files. Main Features : - Lock PDF – Protect your PDFs with a secure password to prevent unauthorized access. - Unlock PDF – Remove password protection from PDFs for hassle-free access. - Merge PDF – Combine multiple PDFs into a single document with just a few taps. - Add Watermark – Insert custom watermarks to protect your documents from unauthorized use. - Text Scanner (OCR) – Extract text from images or scanned documents with high accuracy. - Text Recognize – Convert handwritten or printed text into editable digital text. - Digital Signature – Sign your PDFs electronically for quick and secure document authentication. - Extract Pages – Select and extract specific pages from a PDF file to create a new document. - Web to PDF – Convert web pages into PDFs for offline reading and sharing. - Page Remover – Delete unnecessary pages from your PDF to streamline the document. - PDF to Text – Convert PDFs into editable text files for easy modification. Why Choose PDF: Lock & Unlock? - All-in-One PDF Manager – No need for multiple apps; get everything in one place. - User-Friendly Interface – Simple and intuitive design for easy navigation. - Fast & Efficient Processing – Perform PDF actions in seconds. - Offline Mode – Most features work without an internet connection. - Secure & Private – Your files remain private, with no data leaks. Download and enjoy the PDF: Lock & Unlock app. Privacy Policy: https://softapps.in/App_Privacy.html Terms of use: https://softapps.in/App_TOS.html

About

PDFTool Lab

Features
Read full description

Take control of your PDFs with PDFTool Lab, the ultimate all-in-one PDF solution for iOS. Scan documents, ID cards, or import images and files to create PDFs effortlessly. Secure, edit, and share your documents anytime, anywhere. Key Features: Scan & Import PDFs: Scan multiple pages at once using your device camera. Scan ID cards with front and back on a single PDF page. Import images or existing PDF files to create new PDFs. PDF Protection: Protect any PDF with a password. Open password-protected PDFs securely. Lock sensitive documents from unauthorized access. PDF Editing Tools: Rename PDFs or files for easy organization. Delete single or multiple documents at once. Add watermark to your PDFs to secure or brand your documents. Split PDFs into individual pages or sections. Compress PDFs to reduce file size without losing quality. Share & Manage: Share PDFs directly via email, AirDrop, or other apps. Organize your documents efficiently with folders and sorting options. Why PDFTool Lab? Simple, intuitive interface with powerful features. Perfect for students, professionals, and anyone who handles documents. Save time and stay organized with advanced PDF management. Take your document management to the next level. Download PDFTool Lab now and scan, edit, protect, and share PDFs all in one app.

Screenshots

PDF4 screens
PDFTool Lab4 screens

Verdict

The call

The clearest difference is ads: PDFTool Lab at none against PDF's shown. PDFTool Lab also leads on update cadence (monthly vs every 5 months). PDF's advantage is iOS requirement (13.0 vs 17.0). On price, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PDF sells 3 in-app purchases, starting at $4.99 per 7 days and PDFTool Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF ships an update every 5 months, PDFTool Lab monthly. The most recent releases landed on September 7, 2026 and September 11, 2026 respectively.

Scorecard3 real differences · 7 level
PDF versus PDFTool Lab: the parameters behind the verdict, then further details
ParameterPDFPDFTool Lab
PriceFreeFree
Rating3.5 (6 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings6 — better—
Update frequencyEvery 5 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size26 MB66 MB
Age rating4+4+
DeveloperHardik DhameliyaASAPP STUDIO

In-app purchases

3 purchases

PDF

Subscriptions3
  • Subscription Weekly$4.997 Days
  • Subscription Monthly$9.991 Month
  • Subscription Yearly3 Days trial$19.991 Year
1 purchases

PDFTool Lab

One-time1
  • PDFTool Premium$0.99

Questions

Is PDF free?
PDF is free to download, with in-app purchases available.
Is PDFTool Lab free?
PDFTool Lab is free to download, with in-app purchases available.
Do PDF or PDFTool Lab have ads?
PDF shows ads; PDFTool Lab does not.
Which is updated more often, PDF or PDFTool Lab?
PDF ships an update every 5 months, and PDFTool Lab monthly. Most recently, PDF was updated on September 7, 2026 and PDFTool Lab on September 11, 2026.

Other comparisons