Comparison

PDF Converter & PDF Scanner vs Authenticator App

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

Head to head
About

PDF Converter & PDF Scanner

This app acts as a portable PDF assistant, allowing users to scan, edit, and convert documents and photos into PDF format. It offers high-quality scanning, smart OCR for text recognition, and versatile editing tools. Convert PDFs to various formats and secure your files with encryption.

Highlights
  • High-quality scanning
  • Smart OCR text recognition
  • All-in-one PDF editing
  • Format conversion (Word, Excel, images)
  • Secure file encryption
  • Add text, images, annotations, signatures
Features
Read full description

Your portable PDF assistant: easily scan,Clean-scan ,edit and convert! This is an intuitive and powerful PDF tool that allows you to effortlessly handle PDFs and enjoy a convenient experience. Whether you're scanning photos or paper documents, editing PDF content, or converting file formats, it's all made easy. Key Features: -High-Quality Scanning: Easily scan paper documents using your phone's camera to generate high-definition PDF files, with support for automatic cropping and image enhancement. -Smart OCR: Equipped with a powerful OCR text recognition engine, it can convert text in scanned documents into editable text, allowing you to copy, edit, translate, and more. -All-in-One Editing: Supports a variety of editing operations on PDF files, including adding text, images, annotations, signatures, watermarks, and more, meeting all your needs. -Format Conversion: Converts PDF files into various formats such as Word, Excel, and images, making it easy for further editing and sharing. -Secure Encryption: Utilizes advanced encryption technology to protect your PDF files and prevent information leaks. Whether you're a student, business professional, designer, or everyday user, you can efficiently handle PDF documents, easily edit PDF materials, and enjoy a convenient digital life. Download now to experience efficient and convenient PDF processing! About Subscription: Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period, if offered, will be automatically invalidated when the user purchases the applicable subscription. Privacy Policy: https://sites.google.com/view/pdfpp/home Terms of Use: https://sites.google.com/view/pdftou/home

About

Authenticator App

Features
Read full description

Auth Scanner helps you protect your online accounts with secure two-factor authentication codes. Easily scan QR codes, add accounts, generate OTP codes, and keep your login verification codes organized in one safe place. With Auth Scanner, you can quickly set up 2FA for your favorite apps, websites, and services. The app generates time-based one-time passwords so you can sign in with an extra layer of security. Key Features: • Scan QR codes to add 2FA accounts • Generate secure OTP/TOTP verification codes • Save and organize authentication accounts • Copy codes quickly with one tap • Password-protected access for better privacy • Clean and easy-to-use interface • Secure account management • add the feature of hide photo and video Protect your digital life with Auth Scanner. This app does not provide account registration or login functionality. Users can directly scan QR codes to generate authenticator codes without creating an account. Google Sign-In is used only for optional backup and restore of authenticator codes through the user’s Google Drive, and no user account is created or managed by the app.

Screenshots

PDF Converter & PDF Scanner4 screens
Authenticator App4 screens

Verdict

The call

PDF Converter & PDF Scanner and Authenticator App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 Converter & PDF Scanner sells 3 in-app purchases, starting at $4.99 per 7 days and Authenticator App sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Converter & PDF Scanner ships an update every 8 days, Authenticator App every 11 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

ScorecardNo meaningful differences
PDF Converter & PDF Scanner versus Authenticator App: the parameters behind the verdict, then further details
ParameterPDF Converter & PDF ScannerAuthenticator App
PriceFreeFree
Rating4.5 (88 ratings) — better—
Positive reviews97.9% of reviews—
Number of ratings88 — better—
Update frequencyEvery 8 days — betterEvery 11 days
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.1
Further details — not scored
Size42 MB63 MB
Age rating17+4+
Developer家俊 张Deep Ahirwar

In-app purchases

3 purchases

PDF Converter & PDF Scanner

Subscriptions3
  • 1 week7 Days trial$4.997 Days
  • 1 month1 Month trial$16.991 Month
  • 1 year$39.991 Year
3 purchases

Authenticator App

Subscriptions3
  • Auth Scanner 1 Week Pro$9.997 Days
  • Auth Scanner 1 month$14.991 Month
  • Auth Scanner Yearly$49.991 Year

Questions

Is PDF Converter & PDF Scanner free?
PDF Converter & PDF Scanner is free to download, with in-app purchases available.
Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Do PDF Converter & PDF Scanner or Authenticator App have ads?
Both PDF Converter & PDF Scanner and Authenticator App show ads.
Which is updated more often, PDF Converter & PDF Scanner or Authenticator App?
PDF Converter & PDF Scanner ships an update every 8 days, and Authenticator App every 11 days. Most recently, PDF Converter & PDF Scanner was updated on October 24, 2026 and Authenticator App on October 15, 2026.

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