Best Time-Based One-Time Password App

250+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

Finding the right time-based one-time password app 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 Time-Based One-Time Password App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Google AuthenticatorGoogle AuthenticatorFree4.9★ (1.1M)NoNoAug 2026
2One-Time PasswordOne-Time PasswordFreeNoNoAug 2026
3Authenticator ℠ AppAuthenticator ℠ AppFree4.3★ (4.6K)YesYesAug 2026
4TOTP Authenticator – Fast 2FATOTP Authenticator – Fast 2FAFree4.7★ (3.9K)NoYesAug 2026
5Piteco One-Time PasswordPiteco One-Time PasswordFreeNoNoMay 2026
6Authenticator App - 2FA, OTPAuthenticator App - 2FA, OTPFree4.0★ (1)YesYesAug 2026
7Authenticator : One Time PassAuthenticator : One Time PassFreeNoNoMay 2026
8Authenticator App 2FA — LokioAuthenticator App 2FA — LokioFreeNoYesAug 2026

Top Picks for Time-Based One-Time Password App

Google Authenticator#1

Google Authenticator by Google

Editor's Choice
🔧 Utilities
4.9😞(1.1M ratings)
Free
#3in Utilities
Google Authenticator screenshot 1
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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
One-Time Password#2

One-Time Password by NTT DATA GROUP CORPORATION

Strong Contender
🔧 Utilities
0.0(0 ratings)
Free
One-Time Password screenshot 1
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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.

Authenticator ℠ App#3

Authenticator ℠ App by BEGAMOB GLOBAL LIMITED

Authentication App: 2FA, MFA
Worth Considering
🔧 Utilities
4.3(4.6K ratings)
FreeAdsIn-App Purchases
#11in Utilities
Authenticator ℠ App screenshot 1
Authenticator ℠ App screenshot 2
Authenticator ℠ App screenshot 3
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Authenticator ℠ App screenshot 6

Secure your online accounts with standards-based two-factor authentication. This app generates time-based one-time passwords directly on your device, offering a reliable second step for sign-ins without relying on SMS codes. Protect personal and work accounts across various platforms.

More Time-Based One-Time Password App apps to explore

4
TOTP Authenticator – Fast 2FA
TOTP Authenticator – Fast 2FA
TOTP Authenticator – Fast 2FA
Simple 2FA with Cloud Sync
Free

Enhance your online security with this app that generates one-time tokens for two-factor authentication. Protect your accounts from hackers by easily adding 2FA to your online services. Supports cloud sync and a Chrome extension for seamless desktop integration.

Cloud Sync for backupChrome Extension for desktopDark and light theme support
🔧 Utilities
(3.9K)
free with in-app purchases
5
Piteco One-Time Password
Piteco One-Time Password
Piteco One-Time Password
for remote signature
Free
💼 Business
(0)
6
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Authenticator App - 2FA, OTP
Backup,Transfer & Protect Code
Free

This app helps you securely manage two-factor authentication (2FA) and one-time password (OTP) codes for all your accounts. It offers features like code preview, secure data backup and transfer, and a password vault for enhanced digital security.

Manage 2FA and OTP codesPreview upcoming authentication codesSecure password vault
🔧 Utilities
(1)
free with in-app purchases
7
Authenticator : One Time Pass
Authenticator : One Time Pass
Authenticator : One Time Pass
One Time Password Authenticate
Free
🔧 Utilities
(0)
8
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
Authenticator App 2FA — Lokio
OTP, MFA & TOTP code manager
Free
🔧 Utilities
(0)
9
Secure Authenticate
Secure Authenticate
Secure Authenticate
Private OTP & 2FA Code App
Free
🔧 Utilities
(0)
10
Authenticator App - NexAuth
Authenticator App - NexAuth
Authenticator App - NexAuth
Authenticator App
Free
🔧 Utilities
(0)
11
Authenticator App - OneAuth
Authenticator App - OneAuth
Authenticator App - OneAuth
Secure your online accounts
Free

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.

Add accounts via QR code or manual entryTime-based OTPs (offline access)Encrypted backup and secure recovery
🔧 Utilities
(33K)
free
12
UniKey
UniKey
UniKey
by DONALD PAUL FULDAUER JR
Free
🔧 Utilities
(0)
13
Authenticator App : Auth 2FA
Authenticator App : Auth 2FA
Authenticator App : Auth 2FA
OTP , MFA Authentication TOTP
Free
🔧 Utilities
(0)
14
Password Maestro
Password Maestro
Password Maestro
Strong Passwords, Made Simple
Free
🔧 Utilities
(0)
15
Authenticator App++
Authenticator App++
Authenticator App++
Secure Sign in Your Accounts
Free
🔧 Utilities
(0)
16
SlinkPass
SlinkPass
SlinkPass
by SECIOSS, Inc
Free
🔧 Utilities
(0)
17
Mamoru PUSH
Mamoru PUSH
Mamoru PUSH
2Factor authentication - Japan
Free
💼 Business
(0)
18
Lockkeyz
Lockkeyz
Lockkeyz
by QBS CO PRIVATE LIMITED
Free
🔧 Utilities
(0)
19
EnigmaOTP
EnigmaOTP
EnigmaOTP
by A Dark Matter Creation LLC
$1.99
🔧 Utilities
(0)
20
Lockmeout
Lockmeout
Lockmeout
Your Time Lock Companion
Free
📊 Productivity
(0)

FAQ about Time-Based One-Time Password App

What is the best time-based one-time password app for iPhone?
Google Authenticator tops our time-based one-time password app ranking as of August 2026, with a 4.9-star average from 1.1M App Store ratings, and it's free to download.
Yes — 19 of the top time-based one-time password app we rank are free to download, including Google Authenticator and One-Time Password.
Google Authenticator has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ time-based one-time password app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Google Authenticator adds an extra layer of security to your online accounts by generating a second verification code needed to sign in, in addition to your password. This code is generated on your phone.
You can set up your Authenticator accounts automatically by scanning a QR code provided by the service you wish to secure. This is a quick and easy process that ensures correct setup.