Comparison

Authenticator App vs PDF Document Scanner Converter

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

Head to head
About

Authenticator App

This app provides secure two-factor authentication (2FA) for all your online accounts. It generates time-based one-time passwords (TOTP) quickly and offers features like biometric security and cross-device sync. It's a reliable alternative for protecting your digital life.

Highlights
  • Two-Factor Authentication (2FA)
  • Fast code generation
  • Cross-device backup and sync
  • Biometric security (Face ID/Touch ID)
  • QR code scanning
  • Offline functionality
Features
Read full description

Authenticator App-2FAS・OTP・MFA Authentication your Go To App – For Secure 2FA Code Generator for All Your Online Accounts. Stay safe online with the most reliable and easy-to-use 2FA Authenticator app for iPhone. Whether you're protecting your email, social media, gaming accounts, or business logins, our authentication app is the perfect alternative to Google Authenticator, Microsoft Authenticator, and Duo Mobile for iOS. Key Features: ◆ Two Factor Authentication (2FA) for all major platforms ◆ Lightning-fast code generation – works with Google Authenticator, Microsoft Authenticator, Authy App, Okta Verify, Oracle Mobile Authenticator, Duo Mobile Authenticator, and more ◆ One-tap backup and sync across devices ◆ Biometric security with Face ID & Touch ID ◆ Scan QR codes or enter setup keys manually ◆ Works with Facebook, Instagram, Roblox, Discord, X (Twitter), Outlook, Epic Games, Battle.net, Steam, Ubisoft, PlayStation, Activision, Apple ID, Workday, Salesforce, and many more Enterprise & Business-Ready Compatible with: ◆ Microsoft Authenticator Application for Office 365 & Teams ◆ Salesforce Authenticator App ◆ Thomson Reuters Authenticator ◆ Xero Verify, NetSuite, Availity, SecureAuth Authenticate, ForgeRock Authenticator, and OneSpan Mobile Authenticator Gamers’ Favorite 2FA Authenticator App for 2FA and MFA Authentication: ◆ Secure your gaming accounts including, Battle.net Authenticator, Epic Authenticator App ◆ PlayStation / Play Station ◆ Steam Mobile Authenticator / Steam Guard Multilingual & Global Support: ◆ Full support for 谷歌验证器 (Chinese Google Authenticator) ◆ Spanish support: Autenticador de Google ◆ Works with ID.me Authenticator and Login.gov ◆ Perfect free Google Authenticator alternative for USA, UK, and Canada and WorldWide. Why Choose Us? ◆ Supports TOTP (Time-based One-Time Password) standard used by Google 2FA, Microsoft, Duo Push, and 2FAS ◆ 100% offline functionality – codes generated on-device, no internet required ◆ Secure Authenticate mode to lock your app with a PIN, Face ID, or Touch ID ◆ Backup & Restore – keep your codes safe during phone upgrades ◆ No ads, no data tracking, completely free to use User Can search Our App on App Store by : Authenticator App, Authenticator: App, : Authenticator, Authenticator :, Authenticator App Instagram, Authenticator SalesForce, Authenticator Google, Google Authentication App, Microsoft Authenticator Free, MS Authenticator, Micrisoft Authenticator, Mircosoft Authenticator, Google Aunthenticator, App Authenicator, Free Authenticator App, 2FA :, OTP Authenticator, Verification App, SecureAuth, Free Ring App, and more. Download the Best Free Authenticator App Today! Stay protected with a simple, fast, and secure two-factor authentication app – your best alternative to the Google Authenticator App, Microsoft Authenticator, and other 2FA solutions. Download the best Authenticator App free for iPhone today and lock down your digital life in seconds. Whether you're looking to secure your Google account, protect your Salesforce login, or add a second layer to your Battle.net profile, this is the only authentication app you need. Say goodbye to password breaches. Say hello to instant, private, and ultra-secure 2 factor authentication. Protect everything. Trust nothing. Get the Authenticator app now. Terms of Use (EULA) : https://sites.google.com/view/auth-termsofuse/home Privacy Policy : https://sites.google.com/view/auth-privacy-policy/home

About

PDF Document Scanner Converter

This app allows you to scan documents, convert various file types and images to PDF, and digitally sign your documents. It provides a comprehensive solution for managing PDFs, from creation to signing, all within a single application.

Highlights
  • Document scanning to PDF
  • Convert images and files to PDF
  • Convert URLs to PDF
  • Digital PDF signing
  • Convert PDF to Word or JPEG
  • Image to PDF conversion
Read full description

PDF Converter & Signature – Scan, Convert, and Sign PDFs! Easily scan documents, convert images or photos to PDF, and sign your PDFs with PDF Converter & Signature. This an all in one app makes handling documents simple and effective. Features of PDF Converter & Signature: * Document Scanner PDF: Scan any document, receipt, or note to PDF in a very short time! * Convert to PDF: Turn images, photos, DOCX, XLSX, XSL or text files into PDF’s. * URL to PDF: Enter the URL you want to convert, we will convert it to PDF. * Sign PDF: Add your signature to documents directly within the app. Easy signing documents! * PDF Converter & PDF Maker: Convert PDFs to Word, JPEG, or other formats. * Image to PDF & Photo to PDF: Easily turn your pictures into professional PDFs. Either you need a free PDF scanner app, scan to PDF, or a picture to PDF converter, PDF Converter & Signature handles it all in one place. Why use PDF Converter & Signature? * Fast and accurate conversions – Images, documents, and photos convert in seconds. * All-in-one PDF tool – Scan, convert, and sign without switching apps. * Professional and personal use – Perfect for work, school, or everyday documents. * Easy to use – No complicated setup, just reliable PDF management. Simple clicks and we will handle the rest! Download PDF Converter & Signature today and handle all your PDFs, from document scanning to PDF conversion and signing, effortlessly. Contact: hello@synappsai.com
Terms: https://www.synappsai.com/terms-of-use Privacy: https://www.synappsai.com/privacy-policy

Screenshots

Authenticator App4 screens
PDF Document Scanner Converter4 screens

Verdict

The call

The clearest difference is monetization model: Authenticator App at free against PDF Document Scanner Converter's free with in-app purchases. Authenticator App also leads on ratings volume (144 vs 15) and device support (3 vs 1). On price, rating, update cadence 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. Authenticator App sells 4 in-app purchases, starting at $2.99 per 7 days and PDF Document Scanner Converter sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for Authenticator App against 4.5 for PDF Document Scanner Converter. That said, the two scores are not equally well evidenced: Authenticator App has 144 ratings behind it against 15, so its average is the more settled of the two.

UpkeepUpdate frequency

Authenticator App ships an update fortnightly, PDF Document Scanner Converter every 2 weeks. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Authenticator App versus PDF Document Scanner Converter: the parameters behind the verdict, then further details
ParameterAuthenticator AppPDF Document Scanner Converter
PriceFreeFree
Rating4.6 (144 ratings) — better4.5 (15 ratings)
Positive reviews95.8% of reviews—
Number of ratings144 — better15
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size40 MB18 MB
Age rating4+4+
DeveloperVipul PrajapatiSYNAPPS AI LTD

Customer experience

Authenticator App

All ratings144 ratings
Positive95.1%
Neutral3.5%
Negative1.4%
Written reviews355 reviews
Positive95.8%
Neutral2.3%
Negative2.0%

PDF Document Scanner Converter

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%

Bugs and requests

Authenticator App

Reported bugs

1 issue
  • None

Requested features

1 request
  • None

PDF Document Scanner Converter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Authenticator App

Subscriptions4
  • Authenticator Premium Shield$2.997 Days
  • Authenticator 2FA MFA (1 Week)$4.997 Days
  • Two Factor Authentication, 2FA$8.991 Month
Show 1 more
  • Authentication Premium (1Year)$29.991 Year
2 purchases

PDF Document Scanner Converter

Subscriptions2
  • Convert PDF & Sign Pro 1 Week7 Days trial$5.997 Days
  • Convert PDF & Sign Pro 1 Year$39.991 Year

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is PDF Document Scanner Converter free?
PDF Document Scanner Converter is free to download, with in-app purchases available.
Which has better reviews, Authenticator App or PDF Document Scanner Converter?
Authenticator App is rated higher. Authenticator App averages 4.6 out of 5 from 144 ratings, while PDF Document Scanner Converter averages 4.5 from 15 ratings.
Do Authenticator App or PDF Document Scanner Converter have ads?
Neither Authenticator App nor PDF Document Scanner Converter shows ads.
Which is updated more often, Authenticator App or PDF Document Scanner Converter?
Authenticator App ships an update fortnightly, and PDF Document Scanner Converter every 2 weeks. Most recently, Authenticator App was updated on October 10, 2026 and PDF Document Scanner Converter on September 29, 2026.

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