Best One-Time Password Apps

250+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

Finding the right one-time password apps can be overwhelming with so many options. We've analyzed 250+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top One-Time Password Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1One-Time PasswordOne-Time PasswordFreeNoNoSep 2026
2Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.2M)NoNoSep 2026
31Password: Password Manager1Password: Password ManagerFree4.7★ (34K)NoYesSep 2026
4Microsoft AuthenticatorMicrosoft AuthenticatorFree4.7★ (690K)NoNoSep 2026
5One Time Password: 2FA VaultOne Time Password: 2FA VaultFree2.0★ (4)NoYesJun 2026
6Bitwarden Password ManagerBitwarden Password ManagerFree4.8★ (31K)NoNoSep 2026
7SQUARE ENIX Software TokenSQUARE ENIX Software TokenFree2.0★ (351)NoNoSep 2026
8GCM One Time PasswordGCM One Time PasswordFreeNoMay 2026

Top Picks for One-Time Password

One-Time Password#1

One-Time Password by NTT DATA GROUP CORPORATION

Editor's Choice
🔧 Utilities
0.0(0 ratings)
Free
One-Time Password screenshot 1
One-Time Password screenshot 2
One-Time Password screenshot 3
One-Time Password screenshot 4
One-Time Password screenshot 5
One-Time Password screenshot 6

This utility generates a secure, eight-digit disposable password every minute. These one-time passwords are ideal for enhancing security across various online services, as they become invalid after a short period, even if compromised.

Google Authenticator#2

Google Authenticator by Google

Strong Contender
🔧 Utilities
4.9😞(1.2M ratings)
Free
#5in Utilities
Google Authenticator screenshot 1
Google Authenticator screenshot 2
Google Authenticator screenshot 3
Google Authenticator screenshot 4
Google Authenticator screenshot 5
Google Authenticator screenshot 6

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

What We Love

  • 👍 User-friendly
  • 🔒 Secure authentication
  • 🚀 Simple and fast
  • 🔒 Reliable security

Room to Improve

  • 🐛 Randomly deleted all codes
  • 🐛 Unreliable, lost access to accounts
  • 🐛 Timing issues, codes didn't work
1Password: Password Manager#3

1Password: Password Manager by AgileBits Inc.

Save & share passwords safely
Worth Considering
📊 Productivity
4.7😐(34K ratings)
FreeIn-App Purchases
#30in Productivity
1Password: Password Manager screenshot 1
1Password: Password Manager screenshot 2
1Password: Password Manager screenshot 3
1Password: Password Manager screenshot 4
1Password: Password Manager screenshot 5

Securely store, generate, and autofill passwords and passkeys across all your devices. This app also manages other sensitive information like credit cards and notes, with features for secure sharing and travel.

What We Love

  • 🚀 Seamless integration across devices
  • 🔒 Robust security and encryption
  • 👍 User-friendly interface
  • 💡 Innovative features like Watchtower

Room to Improve

  • 🐛 Bugs and glitches in recent updates
  • 👎 Forced migration to subscription model
  • 🤔 Confusing UI changes in version 8

More One-Time Password apps to explore

FAQ about One-Time Password

Are there free one-time password apps for iPhone?
Yes — 20 of the top one-time password apps we rank are free to download, including One-Time Password and Google Authenticator.
One-Time Password has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ one-time password apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
One-Time Password generates disposable passwords that are effective for a single use, typically for authentication. These passwords are valid for only one minute, significantly enhancing the security of your online services.
The application generates a new eight-digit password every minute. This password is then used to authenticate your access to a service. Once the minute is up, the password becomes invalid, preventing unauthorized access even if it was stolen.