Comparison

Authenticator App vs PDF 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 generates secure two-factor authentication tokens to protect your online accounts. It offers encrypted cloud backups and multi-device synchronization for easy recovery and access. The app works offline and can be secured with a PIN or biometric lock.

Highlights
  • Secure 2FA token generation
  • Encrypted cloud backups
  • Multi-device synchronization
  • Offline functionality
  • PIN and biometric lock
Features
Read full description

Authenticator App: 2FA・MFA・OTP delivers secure two-factor authentication codes for your accounts, keeping your online services protected with reliable TOTP generation. Simple, fast, and privacy-focused — perfect for securing logins without internet dependency. Key Features: - Generate TOTP codes for your accounts - Easy QR code scanning for quick account setup - Biometric security with Face ID or Touch ID - Secure cloud backup and data recovery - Offline functionality for use anywhere - Minimalist design for instant access Stay protected across all your services with Authenticator App: 2FA・MFA・OTP — your trusted companion for effortless account security. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of Use & Privacy Policy: https://docs.google.com/document/d/1-bRMtRSuH0pLoMZIwI69CA441mkxM0Cj0xaw91mEhTA/edit?usp=sharing https://docs.google.com/document/d/1-V6vBYQxi7tUSy_X5TVwc6skbLVyXHrjANNyCwFCOHU/edit?usp=sharing

About

PDF Converter

Easily convert photos and documents into PDF format with this intuitive tool. It offers robust file management features to organize, rename, and protect your PDFs, ensuring efficient and secure document handling for various needs.

Highlights
  • Convert photos to PDF
  • Convert documents to PDF
  • Scan documents
  • File categorization
  • Rename PDFs
  • Protect PDFs with passwords
Features
Read full description

In the field of document management, PDF Converter is a crucial tool that simplifies the process of converting photos and documents into PDF format. Its intuitive interface makes it easy for users of any technical skill level to convert different file types into a standard, easily shareable PDF. PDF Converter enhances the organization and accessibility of converted documents with its strong file management capabilities. Users can easily categorize, rename, and protect their PDFs, ensuring the confidentiality of sensitive information. Whether you're capturing receipts while out and about or compiling professional reports, PDF Converter provides a complete solution for users looking for efficiency and convenience in document conversion. Download the app now to enjoy a higher level of simplicity in handling your digital documents. Payment will be charged to your Apple ID account at the time of purchase confirmation. Subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Privacy Policy: https://docs.google.com/document/d/1lGz5PDP4erLXU6SUy_PxVTqwFslCvic1YOIo3rrVYvo/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1wLjMGkJMRQQ68cxqMhU66NbKqbxitIYLST1aALs7n30/edit?usp=sharing

Screenshots

Authenticator App4 screens
PDF Converter4 screens

Verdict

The call

The clearest difference is update cadence: PDF Converter at monthly against Authenticator App's every 8 months. PDF Converter also leads on review sentiment (77% vs 62%). 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. Authenticator App sells 15 in-app purchases, starting at $4.99 per 7 days and PDF Converter sells 7 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

PDF Converter holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 211 and 191 respectively. Written reviews point the same way: 62% of Authenticator App's written reviews are positive against 77% of PDF Converter's.

UpkeepUpdate frequency

Authenticator App ships an update every 8 months, PDF Converter monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Authenticator App versus PDF Converter: the parameters behind the verdict, then further details
ParameterAuthenticator AppPDF Converter
PriceFreeFree
Rating4.3 (211 ratings)4.5 (191 ratings) — better
Positive reviews61.5% of reviews77.4% of reviews — better
Number of ratings211 — better191
Update frequencyEvery 8 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17 — better18
Further details — not scored
Size48 MB49 MB
Age rating4+4+
DeveloperAuthentication ServicesTHE SMILE LAB LIMITED

Customer experience

Authenticator App

All ratings211 ratings
Positive81.5%
Neutral5.7%
Negative12.8%
Written reviews13 reviews
Positive61.5%
Neutral0.0%
Negative38.5%

PDF Converter

All ratings191 ratings
Positive85.9%
Neutral6.3%
Negative7.9%
Written reviews124 reviews
Positive77.4%
Neutral4.0%
Negative18.5%

Bugs and requests

Authenticator App

Not enough reviews yet to summarise bugs or requests.

PDF Converter

Reported bugs

6 issues
  • App doesn't work
  • Plus sign won't allow to add documents
  • App won't open after subscribing
  • Can't convert PDF, stuck at 99%
  • Money taken without use
Show 1 more
  • App doesn't work

Requested features

2 requests
  • Make it free
  • Convert to group

In-app purchases

15 purchases

Authenticator App

Subscriptions15
  • Digital Security Authenticator3 Days trial$4.997 Days
  • Enhance online security3 Days trial$5.997 Days
  • Generate one-time passwords$5.997 Days
Show 12 more
  • Smart Authenticator3 Days trial$6.997 Days
  • One-Time Password Generator$7.997 Days
  • Secure Code Generator3 Days trial$7.997 Days
  • One-Time Security Code App3 Days trial$9.997 Days
  • Smart Code Authenticator3 Days trial$11.997 Days
  • 2FA App$14.991 Month
  • Secure Verification Generator3 Days trial$19.991 Month
  • Secure your accounts$19.991 Month
  • Account protection Authenticator3 Days trial$29.991 Month
  • Secure your accounts$39.991 Year
  • Safe Login Code Generator3 Days trial$49.991 Year
  • One-Time Password$59.991 Year
7 purchases

PDF Converter

Subscriptions7
  • Сonvert PDF to documents$2.997 Days
  • Сonvert to PDF$4.997 Days
  • Сonvert documents to PDF3 Days trial$4.997 Days
Show 4 more
  • Convert Doc to PDF3 Days trial$5.997 Days
  • Сonvert PDF to documents$5.997 Days
  • Сonvert to PDF$19.991 Month
  • Сonvert documents to PDF$39.991 Year

Questions

Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Is PDF Converter free?
PDF Converter is free to download, with in-app purchases available.
Which has better reviews, Authenticator App or PDF Converter?
PDF Converter is rated higher. Authenticator App averages 4.3 out of 5 from 211 ratings, while PDF Converter averages 4.5 from 191 ratings.
Do Authenticator App or PDF Converter have ads?
Neither Authenticator App nor PDF Converter shows ads.
Which is updated more often, Authenticator App or PDF Converter?
Authenticator App ships an update every 8 months, and PDF Converter monthly. Most recently, Authenticator App was updated on October 24, 2026 and PDF Converter on October 25, 2026.

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