Comparison

Authenticator App vs PDF Impact

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 a robust layer of security for your online accounts through two-factor authentication (2FA). It generates unique, time-based codes to protect sensitive information and prevent unauthorized access to your digital profiles.

Highlights
  • Secure 2FA codes generation
  • Multi-platform compatibility
  • Offline code access
  • Time-based authentication codes
  • Account protection
Features
Read full description

Authenticator 2FA is a powerful, user-friendly app designed to safeguard your online accounts with two-factor authentication (2FA). Adding an extra layer of security, Authenticator 2FA helps you protect sensitive information and keeps your accounts safe from unauthorized access. **Key Features:** - Secure 2FA Codes**: Generate unique, time-based authentication codes for quick and secure login to your favorite apps and websites. - Multi-Platform Compatibility**: Compatible with major services like Google, Facebook, Twitter, Dropbox, and many more. - Offline Support**: Access your codes even without an internet connection, ensuring you can authenticate anywhere, anytime. Upgrade your security effortlessly with Authenticator 2FA. Protect your online accounts with ease and peace of mind! https://www.universe-digital.org/privacy.html https://www.universe-digital.org/terms.html

About

PDF Impact

Features
Read full description

PDF Impact – PDF Reader, Image to PDF & PDF Editor PDF Impact is a powerful and easy-to-use PDF application that helps you create, view, edit, and manage PDF documents anytime, anywhere. Whether you're a student, professional, or business user, PDF Impact provides all the essential tools you need in one app. Key Features PDF Reader * Open and read PDF files quickly * Smooth scrolling and zoom support * Bookmark important pages * Search text within PDF documents Image to PDF * Convert photos into high-quality PDF files * Create PDFs from multiple images * Rearrange images before creating PDFs * Share or save instantly PDF Editor * Add text to PDF documents * Draw and annotate PDFs * Highlight important content * Add signatures to documents * Rename and organize documents Templates * Marriage Biodata Templates * Resume Biodata Templates * Resume Templates * Cover Letter Templates * Create professional documents using ready-to-use templates * Customize and save your documents as PDF files Easy Sharing * Share PDF files through email and messaging apps * Print PDF documents directly * Save files to your device Secure & Private * Your files remain on your device * No unnecessary data collection * Fast and secure PDF processing Legal Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sivavasagam.com/about-PDFImpact/privacy-policy

Screenshots

Authenticator App4 screens
PDF Impact4 screens

Verdict

The call

The clearest difference is update cadence: Authenticator App at fortnightly against PDF Impact's every 2 months. Authenticator App also leads on iOS requirement (13.4 vs 15.5). On price, ads, 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. Authenticator App sells 10 in-app purchases, starting at $0.99 per 7 days and PDF Impact sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Authenticator App ships an update fortnightly, PDF Impact every 2 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Authenticator App versus PDF Impact: the parameters behind the verdict, then further details
ParameterAuthenticator AppPDF Impact
PriceFreeFree
Rating2.3 (3 ratings) — better—
Positive reviews39.7% of reviews—
Number of ratings3 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.4 — better15.5
Further details — not scored
Size37 MB85 MB
Age rating4+4+
DeveloperUNIVERSE DIJITAL HIZMETLER LIMITED SIRKETISenthil Kumar Rangaiyan

In-app purchases

10 purchases

Authenticator App

Subscriptions10
  • Weekly3 Days trial$0.997 Days
  • Weekly$0.997 Days
  • Monthly$2.991 Month
Show 7 more
  • Weekly PreD$6.997 Days
  • Weekly Plus3 Days trial$7.997 Days
  • Monthly Plus$14.991 Month
  • Monthly Pro+$24.991 Month
  • Yearly Plus$39.991 Year
  • Yearly Pro$49.991 Year
  • Yearly Pro+$59.991 Year
2 purchases

PDF Impact

Subscriptions2
  • PDF Impact Monthly$1.991 Month
  • 3 Months (Save 16%)$4.993 Months

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is PDF Impact free?
PDF Impact is free to download, with in-app purchases available.
Do Authenticator App or PDF Impact have ads?
Both Authenticator App and PDF Impact show ads.
Which is updated more often, Authenticator App or PDF Impact?
Authenticator App ships an update fortnightly, and PDF Impact every 2 months. Most recently, Authenticator App was updated on October 30, 2026 and PDF Impact on October 24, 2026.

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