Comparison

PDF Vault vs PDF Reader Pro

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

Head to head
About

PDF Vault

This ultra-lightweight application offers a comprehensive suite of PDF tools, including text-to-speech functionality, digital signing, document scanning, organization, and instant translation. It's designed for efficiency and ease of use, saving device space while enhancing productivity for work, study, or personal tasks.

Highlights
  • Text-to-speech for PDFs
  • Digital document signing
  • Scan paper documents to PDF
  • Organize and manage PDF files
  • Instant document translation
  • Ultra-lightweight and fast
Features
Read full description

Your private PDF workspace, built for people who take their documents seriously. Ask your PDFs questions, understand complex documents, translate, scan, sign, listen, and manage your files in one lightweight app. PDF Vault combines powerful PDF tools with a privacy-first approach: your documents stay on your device. ASK YOUR PDF ANYTHING Have a long report, contract, research paper, manual, or other document? Just ask. Ask PDF lets you ask questions about the content of your document and get answers based on the information inside it. Find important details, understand complex sections, summarize information, and explore your documents without searching through page after page. Your documents stay private and are processed on your device. PRIVATE BY DESIGN Your documents are personal. PDF Vault is designed with privacy at its core. Your PDF data never leaves your device. No document uploads are required for the core PDF experience. Your files remain under your control while you work with them. ALL THE PDF TOOLS YOU NEED Listen to PDFs Turn your documents into spoken audio with built-in text-to-speech. Listen while working, commuting, studying, or simply when you prefer to hear rather than read. Translate PDFs Translate documents and understand content in other languages without leaving your PDF workspace. Scan documents Turn paper documents into digital PDFs using your device camera. Built-in OCR helps make scanned documents searchable and usable. Sign PDFs Sign documents quickly and conveniently. Add your signature and complete documents without printing them. Read and organize Open, read, manage, and organize your PDF files in a clean, focused workspace designed to stay out of your way. LIGHTWEIGHT AND FOCUSED PDF Vault is built to give you the tools you actually need without turning your device into a document-management maze. Whether you are working with contracts, invoices, academic papers, reports, forms, manuals, or personal documents, PDF Vault keeps everything you need close at hand. FOR WORK, STUDY, AND EVERYDAY DOCUMENTS Use PDF Vault at work to understand reports and contracts. Use it at university to explore research papers and study materials. Use it at home to manage forms, manuals, receipts, and other important documents. ONE PRIVATE WORKSPACE FOR YOUR PDFs Read. Ask. Translate. Scan. Sign. Listen. Organize. PDF Vault brings essential PDF tools together while keeping privacy at the center of the experience. PDF Vault Unlimited gives you unlimited access to all PDF Vault features while directly supporting our mission to provide the best privacy-first PDF tool where your data never leaves your device. Terms of Service: https://macmonsters.com/pdf-reader-terms-of-service.html

About

PDF Reader Pro

This application provides a seamless experience for managing and viewing PDF documents on iOS. It offers high-quality rendering, intuitive navigation, and powerful search capabilities to help you access and organize your files efficiently.

Highlights
  • Effortless PDF file management
  • High-quality PDF rendering
  • Quick page navigation
  • Table of contents and bookmarking
  • Instant search functionality
  • Streamlined interface
Features
Read full description

PDF Reader Viewer: Your Ultimate Document Companion Unlock the power of seamless document management with PDF Reader Viewer, the go-to app for effortlessly handling your PDF files on iOS. Whether you're diving into research papers, reviewing contracts, or simply enjoying a good read, our feature-rich app ensures a smooth and intuitive experience every time. Instant PDF Access & Management - Browse and manage your PDF files effortlessly with our intuitive file management system. From opening files to organizing your library, PDF Reader Viewer puts you in control of your documents with ease. High-Quality PDF Rendering - Experience unparalleled clarity with our advanced PDF rendering technology. Enjoy crisp, clear text and vibrant images as you immerse yourself in your favorite documents. Effortless Navigation & Exploration - Navigate through your PDFs seamlessly with our quick page navigation feature. With just a swipe or tap, jump to any page in an instant, making your reading experience fluid and efficient. Table of Contents & Bookmarking - Explore lengthy documents with ease using our table of contents feature. Jump directly to specific sections or chapters with a single tap, or bookmark important pages for quick reference later on. Instant Search & Find - Find exactly what you're looking for in seconds with our lightning-fast search functionality. Whether it's a keyword, phrase, or specific content, our instant search feature delivers accurate results instantly, saving you time and frustration. Why Choose PDF Reader Viewer? - Seamless PDF management and viewing experience - High-quality PDF rendering for crystal-clear documents - Intuitive navigation with quick page access and table of contents - Lightning-fast search for instant access to relevant content - Streamlined interface for effortless document handling PRO Version: Unlock the full potential of our app with premium version. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off 24-hours before the end of the current period. Accounts will be charged for renewal within 24 hours of the end of the current period, and a renewal fee will be provided. The unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that product. Please note that a subscription is required for the complete functionality of the app. Privacy: https://sites.google.com/view/kttechapps-privacy/home Terms: https://sites.google.com/view/kttechapps-terms/home Transform the way you interact with your PDF files โ€“ download PDF Reader Viewer now and unlock a world of convenience and productivity!

Screenshots

PDF Vault2 screens
PDF Reader Pro4 screens

Verdict

The call

The clearest difference is review sentiment: PDF Vault at 50% against PDF Reader Pro's 0%. PDF Vault also leads on update cadence (fortnightly vs every 2 months) and device support (3 vs 1). PDF Reader Pro's advantage is iOS requirement (16.0 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. PDF Vault sells 2 in-app purchases, starting at $4.99 per month and PDF Reader Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Vault ships an update fortnightly, PDF Reader Pro every 2 months. The most recent releases landed on September 26, 2026 and August 14, 2026 respectively.

Scorecard4 real differences ยท 4 level
PDF Vault versus PDF Reader Pro: the parameters behind the verdict, then further details
ParameterPDF VaultPDF Reader Pro
PriceFreeFree
Positive reviews50.0% of reviews โ€” better0.0% of reviews
Update frequencyFortnightly โ€” betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Mac โ€” betteriPhone
Requires iOS18.116.0 โ€” better
Further details โ€” not scored
Size4 MB10 MB
Age rating4+4+
DeveloperDmytro SkorokhodKamalkumar Trapasiya

Customer experience

PDF Vault

Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

PDF Reader Pro

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

PDF Vault

Subscriptions2
  • Mox PDF Tool Unlimited Monthly7 Days trial$4.991 Month
  • Mox PDF Tool Unlimited Annually7 Days trial$19.991 Year
1 purchases

PDF Reader Pro

One-time1
  • PRO Access$6.99

Questions

Is PDF Vault free?
PDF Vault is free to download, with in-app purchases available.
Is PDF Reader Pro free?
PDF Reader Pro is free to download, with in-app purchases available.
Do PDF Vault or PDF Reader Pro have ads?
Neither PDF Vault nor PDF Reader Pro shows ads.
Which is updated more often, PDF Vault or PDF Reader Pro?
PDF Vault ships an update fortnightly, and PDF Reader Pro every 2 months. Most recently, PDF Vault was updated on September 26, 2026 and PDF Reader Pro on August 14, 2026.

Other comparisons