Comparison

Authenticator app vs Otpkey Authenticator

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 for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

Highlights
  • Two-factor authentication (2FA)
  • Multi-factor authentication (MFA)
  • Supports 1000+ apps
  • Apple Watch support
  • Quick widget support
  • QR code scanning
  • Encrypted backup
Features
Read full description

Authenticator app is a highly recommended free 2FA app used for securing your accounts on different platforms such as Instagram, Google, Facebook, Github, Twitter and many more. We support 1000+ apps for authentication! Take a look at the unique features of the app: - Apple Watch Support Now access your 2-factor & multi-factor authentication codes from your Apple watch for faster accessibility. - Quick Widget Support Add widgets to your screen for faster, easier 2FA & Multi-Factor Authentication. - Super Safe & Secure: Your passwords are safe and sound as the app has no data exchange with the internet, so no one can get to know it except you. - Scan QR Code: Just one tap QR scan for easy access and hassle-free registration. - Enter Code Manually: Enter a secret key to the app for secure authentication. - Supports All Popular Accounts: Authenticator app supports the most popular services including Facebook, Coinbase, Amazon, Google, Instagram, Roblox and thousands of other providers. - No Password Stored: The application generates Time-based One-time Passwords (TOTP), stored on the user's phone without internet access. This solution dramatically increases login security. - Encrypted Backup: In Authenticator, you can always make a secure encrypted backup, in case you lose your device or switch to a new one. For a safe and secure experience try the application NOW! Privacy Policy: https://maximaapps.com/authenticator/privacy/ Terms of Use: https://maximaapps.com/authenticator/terms_of_use/ For any questions or requests, please use our customer support: feedback@maximaapps.com

About

Otpkey Authenticator

Enhance your online security with multi-factor authentication. This app generates one-time passwords for various services, even offline, and supports standard TOTP/HOTP protocols. It offers features like QR code scanning, auto-hiding codes, and biometric authentication.

Highlights
  • Multi-factor authentication
  • Offline OTP generation
  • QR code scanning and export
  • Biometric authentication support
  • Clipboard code copying
  • Widget and Watch App support
Features
Read full description

Otpkey Authenticator generates one-time passwords for two-factor authentication on iPhone, iPad, Mac and Apple Watch, and keeps them in sync through iCloud Keychain. It works completely offline. No account, no server: your secrets stay in the system Keychain on your devices, protected by your passcode, Face ID or Touch ID. Otpkey Authenticator works with every service that supports standard TOTP or HOTP codes, including Google, Microsoft, Amazon, GitHub, Facebook, X, Dropbox, Discord, PayPal, AWS, Synology and many more. Switching from Google Authenticator? Scan its "Export accounts" QR code and all of your accounts are imported at once. Features ======= - Available for iPhone, iPad, Mac and Apple Watch, synced through iCloud Keychain - Folders and search to organize many accounts - Scan QR codes to add accounts - Import all accounts from a Google Authenticator export QR code - Export any account as a QR code - Encrypted, password-protected backup and restore (PEM file format) - Face ID / Touch ID lock - Hide codes on screen, copy with one tap - Custom account icons - iOS: Home Screen widgets (small, medium and large) - iOS: Apple Watch app with complication - macOS: Lives in the menu bar, always one click away - macOS: Scan QR codes straight from the screen - macOS: Launch at login, auto hide - macOS: Drag and drop Specifications =========== - Type: Time-based (TOTP), Counter-based (HOTP) - Algorithm: SHA-1, SHA-256, SHA-512 - Digits: 6, 8, 10 - Period: 30, 60 seconds Standards ======= TOTP - Time-based One-Time Password Algorithm (RFC 6238) HOTP - HMAC-Based One-Time Password Algorithm (RFC 4226)

Screenshots

Authenticator app4 screens
Otpkey Authenticator4 screens

Verdict

The call

The clearest difference is rating: Authenticator app at 4.6 against Otpkey Authenticator's 1.0. Authenticator app also leads on ratings volume (5.7K vs 2) and review sentiment (68% vs 50%). Otpkey Authenticator's advantage is in-app purchases (none vs 11) and iOS requirement (13.0 vs 16.0). On price, update cadence, ads 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 11 in-app purchases, starting at $4.99 per month. Otpkey Authenticator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Authenticator app holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Authenticator app has 5.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Authenticator app's written reviews are positive against 50% of Otpkey Authenticator's.

UpkeepUpdate frequency

Authenticator app ships an update monthly, Otpkey Authenticator every 2 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
Authenticator app versus Otpkey Authenticator: the parameters behind the verdict, then further details
ParameterAuthenticator appOtpkey Authenticator
PriceFreeFree
Rating4.6 (5.7K ratings) — better1.0 (2 ratings)
Positive reviews67.8% of reviews — better50.0% of reviews
Number of ratings5.7K — better2
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Apple WatchiPhone, iPad, iPod, Mac, Apple Watch — better
Requires iOS16.013.0 — better
Further details — not scored
Size279 MB22 MB
Age rating4+4+
DeveloperMaxima AppsCertchip Corp

Customer experience

Authenticator app

All ratings5,742 ratings
Positive89.6%
Neutral3.5%
Negative6.9%
Written reviews395 reviews
Positive67.8%
Neutral4.3%
Negative27.8%

Otpkey Authenticator

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Authenticator app

Reported bugs

4 issues
  • Codes not working or generating errors
  • App crashing or freezing during use
  • Accounts being deleted or inaccessible
  • Compatibility issues with certain devices or platforms

Requested features

4 requests
  • Improved user interface and instructions
  • Better compatibility with other apps and services
  • Option to export/backup authentication codes
  • Ability to easily manage and remove accounts

Otpkey Authenticator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Authenticator app

Subscriptions8
  • Authenticator Premium Monthly$4.991 Month
  • Authenticator App Premium Weekly7 Days trial$5.997 Days
  • Authenticator Premium Monthly$9.991 Month
Show 5 more
  • Authenticator App Weekly Premium3 Days trial$9.997 Days
  • Authenticator Premium Yearly$29.991 Year
  • Authenticator Premium Yearly$49.991 Year
  • Authenticator App Premium Yearly$59.991 Year
  • Premium Access 3 Month Trial3 Months trial$69.991 Year
One-time3
  • Authenticator Premium Lifetime$49.99
  • Authenticator Premium Lifetime$69.99
  • Authenticator App Lifetime$99.99
None

Otpkey Authenticator

No in-app purchases

Questions

Is Authenticator app free?
Authenticator app is free to download, with in-app purchases available.
Is Otpkey Authenticator free?
Otpkey Authenticator is free to download, with no in-app purchases.
Which has better reviews, Authenticator app or Otpkey Authenticator?
Authenticator app is rated higher. Authenticator app averages 4.6 out of 5 from 5.7K ratings, while Otpkey Authenticator averages 1.0 from 2 ratings.
Do Authenticator app or Otpkey Authenticator have ads?
Neither Authenticator app nor Otpkey Authenticator shows ads.
Which is updated more often, Authenticator app or Otpkey Authenticator?
Authenticator app ships an update monthly, and Otpkey Authenticator every 2 months. Most recently, Authenticator app was updated on October 1, 2026 and Otpkey Authenticator on October 2, 2026.

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