Comparison

PDF Signer app vs PDF Vault

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

Head to head
About

PDF Signer app

Create and fill out forms directly on PDF documents. This tool simplifies the process of collecting and managing information within PDFs.

Highlights
  • Build forms on PDFs
  • Fill out collections
  • Easy data management
  • PDF form creation
Read full description

PDF Signer allows building forms on top of a PDF and fill out collections easily.

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

Screenshots

PDF Signer app1 screens
PDF Vault2 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Signer app at none against PDF Vault's 2. PDF Signer app also leads on iOS requirement (12.2 vs 18.1). PDF Vault's advantage is update cadence (every 3 weeks vs every 3 months). On price, rating, ratings volume and ads 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 Vault sells 2 in-app purchases, starting at $4.99 per month. PDF Signer app asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for PDF Signer app against 5.0 for PDF Vault. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

PDF Signer app ships an update every 3 months, PDF Vault every 3 weeks. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Signer app versus PDF Vault: the parameters behind the verdict, then further details
ParameterPDF Signer appPDF Vault
PriceFreeFree
Rating5.0 (3 ratings)5.0 (3 ratings)
Positive reviews—50.0% of reviews
Number of ratings33
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS12.2 — better18.1
Further details — not scored
Size1 MB4 MB
Age rating4+4+
DeveloperfarmerswifeDmytro Skorokhod

Customer experience

PDF Signer app

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

PDF Vault

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

In-app purchases

None

PDF Signer app

No 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

Questions

Is PDF Signer app free?
PDF Signer app is free to download, with no in-app purchases.
Is PDF Vault free?
PDF Vault is free to download, with in-app purchases available.
Which has better reviews, PDF Signer app or PDF Vault?
PDF Signer app and PDF Vault are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.
Do PDF Signer app or PDF Vault have ads?
Neither PDF Signer app nor PDF Vault shows ads.
Which is updated more often, PDF Signer app or PDF Vault?
PDF Signer app ships an update every 3 months, and PDF Vault every 3 weeks. Most recently, PDF Signer app was updated on October 18, 2026 and PDF Vault on October 24, 2026.

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