Comparison

Authenticator App vs FortiClient VPN

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

Head to head
About

Authenticator App

Secure your online accounts with industry-standard two-factor authentication. Easily add accounts, generate time-based OTPs, and benefit from encrypted backups. Organize and manage your TFA with features like folders, brand logos, and search.

Highlights
  • Add accounts via QR code or manual entry
  • Time-based OTPs (offline access)
  • Encrypted backup and secure recovery
  • Sync secrets across devices
  • Organize accounts with folders
  • Brand logos for easy identification
  • Passwordless sign-in options
Features
Read full description

OneAuth is an industry standard authenticator app developed by Zoho. You can now enable TFA and secure all your online accounts like Twitter, Facebook, LinkedIn, and more.  Over 1 million users trust OneAuth to enable 2FA and secure their online accounts. Take charge of your online security with two factor authentication - ADD online accounts to OneAuth easily by either scanning a QR code or manually entering the details. - AUTHENTICATE your online accounts using Time-based OTPs. These OTPs can be accessed offline too. - Backing up your online accounts in OneAuth is easy. We offer ENCRYPTED BACKUP for all your online accounts and they can be recovered securely by means of a Passphrase. The Passphrase is unique and known only to you and aids in recovery in case of lost or broken device. - OneAuth syncs your OTP secrets across all your devices. Making it easy for you to access OTPs from anywhere. - OneAuth is AVAILABLE ON ALL PLATFORMS. Experience secure authentication on iOS, iPadOS, macOS, and watch OS devices. An authenticator app that provides enhanced user experience - CREATE FOLDERS to organize your TFA accounts to your convenience. You can create and reorder personal and work folders separately for easy access. You can also move accounts within and in between folders. - Identify your 2FA accounts easily by associating them with their BRAND LOGOS. - SEARCH and find your accounts quicker with Oneauth's inbuilt search. - Explore OneAuth to its fullest potential without creating an account. GUEST USERS can use the export and import option while switching to a new device. - Users can also MIGRATE their existing online accounts to OneAuth easily from Google Authenticator. Greater security for your Zoho accounts with multi-factor authentication Passwords are just not enough. You need additional layers to ensure your account is properly safeguarded. OneAuth does that for you! - With OneAuth, you can enable MFA for all your Zoho accounts. - Set up PASSWORDLESS SIGN-IN. Avoid the everyday hassle of typing out your passwords. - Prefer a sign-in mode of your choice. You can select from multiple options like push notification, QR code, and Time-based OTPs. Even in case you're offline, you can access your account with Time-based OTPs. - Toughen up your account security. Ensure ONLY you can access your account by enabling BIOMETRIC AUTHENTICATION(Face ID or Touch ID). - Monitor devices and sessions in OneAuth, track login locations and designate devices into primary and secondary. OneAuth quickly adopts to the latest Apple OS and always keeps up with emerging technologies. Here are some of the iOS features that OneAuth supports - Widgets: Gets you the OTPs quickly to help you log in to your accounts. - Watch Face widgets: Gets you the right OTPs directly from your Apple watch. - Passkeys: Enhances your login experience across all Zoho apps. - Focus Filters: Allows you to associate the appropriate Zoho account for each Focus mode. - Quick Notes: Lets you intuitively edit 2FA accounts with seamless deep linking. - Live Text: Enables you to easily add 2FA accounts by reading information from web pages and documents. - Time-sensitive push notifications: Gets your critical information from OneAuth that you need to know or act upon immediately. - Dark mode: Reduce strain and improve your user experience by turning on dark mode. These extensions elevate your overall OneAuth experience to another level on your Apple device. Think Privacy. Think Zoho.  At Zoho, data privacy and security is core to our business. We believe that every individual has a right to access the internet securely and thus our authenticator app OneAuth will be free forever. SUPPORT Our help channels are available 24*7 for customers. Email us at support@zohoaccounts.com Download today!

About

FortiClient VPN

Establish a secure, encrypted Virtual Private Network (VPN) connection between your iOS device and a FortiGate firewall. Supports SSL VPN "Tunnel Mode" and IPsec connections for protected data transmission.

Highlights
  • SSL VPN "Tunnel Mode"
  • IPsec connection
  • Fully encrypted connection
  • Certificates based authentication
  • Two-factor Authentication using FortiToken
Read full description

This Free FortiClient VPN App allows you to create a secure Virtual Private Network (VPN) using SSL VPN "Tunnel Mode" or IPsec connection between your iOS device and the FortiGate. Your connection will be fully encrypted, and all traffic will be sent over the secure tunnel. This Free version of FortiClient VPN App supports limited basic features for SSLVPN and IPsec. This app does not come with any Fortinet TAC support. Supported Features - SSLVPN - Certificates based authentication - Two-factor Authentication using FortiToken You can install FortiClient App to get advanced VPN functionality and 24 x7 TAC support.

Screenshots

Authenticator App4 screens
FortiClient VPN4 screens

Verdict

The call

The clearest difference is rating: Authenticator App at 4.7 against FortiClient VPN's 2.2. Authenticator App also leads on review sentiment (45% vs 14%) and update cadence (every 9 days vs every 2 months). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Authenticator App holds the better App Store score, 4.7 against 2.2. That said, the two scores are not equally well evidenced: Authenticator App has 34K ratings behind it against 115, so its average is the more settled of the two. Written reviews point the same way: 45% of Authenticator App's written reviews are positive against 14% of FortiClient VPN's.

UpkeepUpdate frequency

Authenticator App ships an update every 9 days, FortiClient VPN every 2 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Authenticator App versus FortiClient VPN: the parameters behind the verdict, then further details
ParameterAuthenticator AppFortiClient VPN
PriceFreeFree
Rating4.7 (34K ratings) — better2.2 (115 ratings)
Positive reviews44.9% of reviews — better14.5% of reviews
Number of ratings34K — better115
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size220 MB13 MB
Age rating4++4
DeveloperZoho CorporationFortinet

Customer experience

Authenticator App

All ratings33,578 ratings
Positive92.0%
Neutral2.0%
Negative6.1%
Written reviews612 reviews
Positive44.9%
Neutral5.1%
Negative50.0%

FortiClient VPN

All ratings115 ratings
Positive24.3%
Neutral7.8%
Negative67.8%
Written reviews145 reviews
Positive14.5%
Neutral12.4%
Negative73.1%

User reviews

Authenticator App

From 34K App Store ratings

What we love

  • 🚀 Quick and efficient
  • 🔒 Very secure
  • 👍 Easy to use
  • 💡 Has Apple Watch app

Room to improve

  • 🐛 Unreliable notifications
  • 🐛 Confusing user interface
  • 🐛 Inconsistent behavior
  • 🐛 Difficult to navigate
  • 🐛 Locked out of accounts

FortiClient VPN

From 115 App Store ratings

What we love

  • ✅ Works reliably once connected
  • 🚀 Lightweight and battery-efficient
  • 🔒 Supports SSO authentication (when functioning)
  • 📱 Compatible with M1 Mac devices
  • 🎯 Simple and straightforward interface

Room to improve

  • 🐛 Frequent crashes and instability
  • ❌ SSO functionality repeatedly breaks after updates
  • ⚠️ Inconsistent performance across iOS versions
  • 🔌 Connection drops unexpectedly
  • ⏱️ Slow and unreliable authentication process

Bugs and requests

Authenticator App

Reported bugs

4 issues
  • Push notifications not working
  • Endless authentication loops
  • Incompatibility with new devices
  • Locking users out of accounts

Requested features

4 requests
  • Support for multiple accounts
  • Ability to export data to other authenticator apps
  • Improved error handling and feedback
  • Simpler setup and onboarding process

FortiClient VPN

Reported bugs

15 issues
  • SSO connections fail after updates (versions 7.4.4-7.4.6)
  • Password save toggle non-functional
  • 2FA/MFA authentication screens not appearing
  • App crashes on iOS 16, 17, 18
  • Blank white screen after login
Show 10 more
  • Network connectivity lost even when VPN disconnected
  • IPSec connections fail with 2FA enabled
  • DNS not working with hostname connections
  • OTP popup missing on iPhone (works on iPad)
  • HTTPS prefix auto-added to IPSec server addresses
  • App hangs at 'Connecting' status
  • Configuration deletion after updates
  • Invalid DNS server error with IP-based URLs
  • Cellular and WiFi data loss on iOS 18.3.2
  • MFA answer options not displaying

Requested features

10 requests
  • Connection removal button
  • Working password save functionality
  • Stay signed in for 30+ days option
  • Touch ID/biometric authentication
  • Quick disconnect widget
Show 5 more
  • Better error messages and feedback
  • Improved DNS suffix handling
  • Support for newer iOS versions
  • SAML support
  • Stable SSO implementation

In-app purchases

None

Authenticator App

No in-app purchases

None

FortiClient VPN

No in-app purchases

Questions

Is Authenticator App free?
Authenticator App is free to download, with no in-app purchases.
Is FortiClient VPN free?
FortiClient VPN is free to download, with no in-app purchases.
Which has better reviews, Authenticator App or FortiClient VPN?
Authenticator App is rated higher. Authenticator App averages 4.7 out of 5 from 34K ratings, while FortiClient VPN averages 2.2 from 115 ratings.
Do Authenticator App or FortiClient VPN have ads?
Neither Authenticator App nor FortiClient VPN shows ads.
Which is updated more often, Authenticator App or FortiClient VPN?
Authenticator App ships an update every 9 days, and FortiClient VPN every 2 months. Most recently, Authenticator App was updated on September 25, 2026 and FortiClient VPN on September 21, 2026.

Other comparisons