Comparison

Authenticator vs II Factor

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

Head to head
About

Authenticator

Manage your 2-Step Verification codes with a beautiful, minimal, and organized interface. This app offers a clean aesthetic, folder organization, and secure iCloud sync across Apple devices. Seamlessly import codes and generate them offline.

Highlights
  • Minimalist and elegant interface
  • Organize codes with folders
  • iCloud sync across Apple devices
  • Seamless migration from Google Authenticator
  • Offline code generation
  • Secured with FaceID/TouchID
Features
Read full description

Protect your online accounts with a private, beautifully simple authenticator built for fast and secure two-factor authentication. Generate verification codes offline, organize every account, and keep your encrypted vault in sync across your Apple devices. SECURITY THAT STAYS YOURS Your authentication codes are stored in an encrypted vault protected by your private passphrase. Unlock quickly with Face ID or Touch ID, and use your recovery key if you ever need to restore access. Your data stays on your devices and in your personal iCloud account—with no advertising or cross-app tracking. FAST, RELIABLE VERIFICATION CODES Generate time-based one-time passwords (TOTP) without a network connection. Codes are always ready when you need to sign in, with a clean interface that keeps the current code easy to find and copy. ORGANIZED AROUND YOUR LIFE Group accounts into folders for work, personal, social, or any setup that suits you. Add custom labels, edit account details, and keep even a large collection easy to navigate. MOVE IN WITHOUT THE HASSLE Add accounts by scanning a QR code, import QR codes from your photo library, or migrate existing accounts in seconds. SYNC ACROSS APPLE DEVICES Keep your encrypted vault securely updated across your Apple devices using iCloud. Automatic sync helps your accounts stay available without giving up control of your data. FEATURES • Encrypted vault with passphrase protection • Recovery key for safe account recovery • Face ID and Touch ID unlock • Offline TOTP verification codes • Secure iCloud sync • Folders and custom labels • QR code scanning and photo import • Light and Dark Mode • No advertising or cross-app tracking Authenticator combines strong privacy with a focused, elegant experience—so protecting every account feels effortless.

About

II Factor

This app generates secure, time-based one-time passwords to add an extra layer of security to your online accounts. It offers cloud syncing for easy access across devices and supports manual key export for privacy-conscious users. Organize your accounts with groups and secure your tokens with biometric authentication.

Highlights
  • Generates Time-based One-time Passwords (TOTP)
  • iCloud Sync for multi-device access
  • Manual key export options
  • Account grouping for organization
  • Biometric security (Face ID, Touch ID)
  • Multiple account setup methods
  • Dark and light mode support
Read full description

II Factor is a simple, elegant, free and open source Two Factor Authentication (2FA) application which generates Time-based One-time Password (TOTP). 2FA apps generates 6 digit one-time tokens on your device which are used in combination with your password. This helps you protect your account from hackers by adding an additional layer of security. Just enable the two-factor authentication in your account settings for your provider, scan the QR code or enter the secret key provided and you're good to go! II Factor features iCould Sync so you can store all your Keys in the cloud and access them across multiple devices (iOS & macOS). In the event that you lose or damage your phone, you can simply install II Factor on your new device to get access to your Keys. For the privacy conscious you can manually export your keys locally via a plethora of options avoiding the Cloud and keeping off the grid. II Factor also supports Groups so your personal life stays separate from your work life. II Factor supports multiple ways to easily setup accounts: Scan QR Code Read from QR Code image Import from file Manual entry II Factor can be secured via the device biometric’s: Face ID Touch ID Phone Password II Factor uses iCloud to Sync: Across devices Key Backups Recover Keys II Factor also provides several convenient ways to export all your accounts: Export Key URIs to Clipboard Export Key URIs as plain text Export Key URIs as a TXT file Export Key URIs as QR Code images II Factor offers quick token access via tabs: All tokens Personal tokens Work tokens II Factor supports and matches the device's dark and light modes. II Factor has a very nice "Account detail" page to show every account with its QR Code, you can check or copy these info in any time. II Factor generates Time-based One-time Passwords (TOTP), stored on the user's phone without internet access. There is no data tracking or personal information collected. This solution dramatically increases login security. II Factor is fully open source on GitHub: https://github.com/Plus1XP/II-Factor

Screenshots

Authenticator4 screens
II Factor4 screens

Verdict

The call

The clearest difference is review sentiment: II Factor at 100% against Authenticator's 50%. II Factor also leads on rating (5.0 vs 4.4) and update cadence (weekly vs every 5 weeks). Authenticator's advantage is ratings volume (31 vs 1). 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

II Factor holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Authenticator has 31 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Authenticator's written reviews are positive against 100% of II Factor's.

UpkeepUpdate frequency

Authenticator ships an update every 5 weeks, II Factor weekly. The most recent releases landed on October 7, 2026 and June 5, 2026 respectively.

Scorecard6 real differences · 4 level
Authenticator versus II Factor: the parameters behind the verdict, then further details
ParameterAuthenticatorII Factor
PriceFreeFree
Rating4.4 (31 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings31 — better1
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod, Mac — better
Requires iOS18.614.0 — better
Further details — not scored
Size10 MB5 MB
Age rating4+4+
DeveloperVinay JainElliott Lafayette-Morgan

Customer experience

Authenticator

All ratings31 ratings
Positive83.9%
Neutral6.5%
Negative9.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

II Factor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Authenticator

No in-app purchases

None

II Factor

No in-app purchases

Questions

Is Authenticator free?
Authenticator is free to download, with no in-app purchases.
Is II Factor free?
II Factor is free to download, with no in-app purchases.
Which has better reviews, Authenticator or II Factor?
II Factor is rated higher. Authenticator averages 4.4 out of 5 from 31 ratings, while II Factor averages 5.0 from 1 ratings.
Do Authenticator or II Factor have ads?
Neither Authenticator nor II Factor shows ads.
Which is updated more often, Authenticator or II Factor?
Authenticator ships an update every 5 weeks, and II Factor weekly. Most recently, Authenticator was updated on October 7, 2026 and II Factor on June 5, 2026.

Other comparisons