Comparison

Smart PDF Editor 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

Smart PDF Editor

This app is a PDF editor designed for efficient ink annotations, especially with a stylus. It helps professionals sign and share documents, and students take notes on study materials. Organize your files with a built-in manager.

Highlights
  • Ink annotation optimized
  • Digital signature tool
  • Document review and sharing
  • Note-taking on documents
  • Built-in file manager
  • Color-coded categories
Features
Read full description

Smart PDF is a PDF editor specially optimized for ink annotations. Use it with an Apple Pencil for the ultimate ease in note taking. Great for professionals Quickly sign and send documents. Review, annotate and share files with your colleagues. Great for students If you spend a lot of time reading and studying documents on your iPad, then Smart PDF is an indispensable tool for getting the most out of your study time. Take notes on documents in class, or while studying at home. Keep all your files organized with the built-in file manager, with color-coded categories. We hope you enjoy Smart PDF! -- The App Makers @ Qrayon

About

Authenticator App

Enhance digital security with a multi-factor authenticator app. It provides an extra layer of protection for sensitive accounts and information, working offline for reliable access. Protect email, social media, financial accounts, and more with this user-friendly solution.

Highlights
  • Multi-factor authentication
  • Offline 2FA code generation
  • Wide service integration
  • User-friendly interface
  • Enhanced account protection
Features
Read full description

Enhance the security of your digital life with the Multi-factor Authenticator. Our app is designed to provide you with an additional layer of protection, ensuring that your sensitive accounts and information remain safe from unauthorized access. Whether you're a business professional, a tech-savvy individual, or simply someone who values their online privacy, Multi-factor Authenticator is your trusted companion in the world of cybersecurity. Protect your email, social media, financial accounts, and more. multi-factor Authenticator is your reliable, user-friendly solution, making it effortless to implement two-factor authentication across various online platforms. - Multi-factor Authenticator effortlessly integrates with a wide range of online services and accounts. Whether you're securing your email, social media, or cloud storage, our app supports popular platforms and is continually expanding its compatibility - The app's intuitive and user-friendly interface makes it easy for both tech-savvy individuals and newcomers to 2FA. No technical expertise is required to set up and use this powerful security tool - Don't rely on an internet connection for your 2FA codes. Multi-factor Authenticator works offline, ensuring your security is never compromised, even in challenging network conditions Subscription terms: - Payment will be charged to your Apple ID account at the confirmation of purchase - Your account will be charged for renewal within 24 hours prior to 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 - After the free trial period, if offered, the subscription automatically renews with the price and duration given above unless it is canceled at least 24 hours before the end of the current period - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://apperture.neocities.org/authenticator/apple/privacy Terms of Use: https://apperture.neocities.org/authenticator/apple/terms

Screenshots

Smart PDF Editor4 screens
Authenticator App3 screens

Verdict

The call

The clearest difference is rating: Authenticator App at 4.5 against Smart PDF Editor's 3.8. Authenticator App also leads on ads (none vs shown) and update cadence (monthly vs every 7 months). Smart PDF Editor's advantage is in-app purchases (none vs 4) and review sentiment (21% vs 0%). On price, device support and iOS requirement 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 $4.99 per 7 days. Smart PDF Editor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Authenticator App holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 109 and 24 respectively. Written reviews complicate that: 21% of Smart PDF Editor's written reviews are positive against 0% of Authenticator App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Smart PDF Editor ships an update every 7 months, Authenticator App monthly. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

Scorecard7 real differences · 3 level
Smart PDF Editor versus Authenticator App: the parameters behind the verdict, then further details
ParameterSmart PDF EditorAuthenticator App
PriceFreeFree
Rating3.8 (109 ratings)4.5 (24 ratings) — better
Positive reviews20.9% of reviews — better0.0% of reviews
Number of ratings109 — better24
Update frequencyEvery 7 monthsMonthly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size11 MB101 MB
Age rating4+4+
DeveloperQrayon, LLCApperture Limited

Customer experience

Smart PDF Editor

All ratings109 ratings
Positive67.9%
Neutral5.5%
Negative26.6%
Written reviews43 reviews
Positive20.9%
Neutral0.0%
Negative79.1%

Authenticator App

All ratings24 ratings
Positive91.7%
Neutral0.0%
Negative8.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Smart PDF Editor

No in-app purchases

4 purchases

Authenticator App

Subscriptions4
  • Pro Version$4.997 Days
  • Pro Version3 Days trial$7.997 Days
  • Pro Version$14.991 Month
Show 1 more
  • Pro Version7 Days trial$39.991 Year

Questions

Is Smart PDF Editor free?
Smart PDF Editor is free to download, with no in-app purchases.
Is Authenticator App free?
Authenticator App is free to download, with in-app purchases available.
Which has better reviews, Smart PDF Editor or Authenticator App?
Authenticator App is rated higher. Smart PDF Editor averages 3.8 out of 5 from 109 ratings, while Authenticator App averages 4.5 from 24 ratings.
Do Smart PDF Editor or Authenticator App have ads?
Smart PDF Editor shows ads; Authenticator App does not.
Which is updated more often, Smart PDF Editor or Authenticator App?
Smart PDF Editor ships an update every 7 months, and Authenticator App monthly. Most recently, Smart PDF Editor was updated on October 8, 2026 and Authenticator App on September 29, 2026.

Other comparisons