Best Gst Secure Otp Apps

217+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated June 2026

Looking for free GST Secure OTP apps? 20 of our 217+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Gst Secure Otp

Authenticator App†#1

Authenticator App† by Appqe LLC

2FA Authentication MFA OTP
Editor's Choice
🔧 Utilities
4.5😞(1.8K ratings)
FreeIn-App Purchases
Authenticator App† screenshot 1
Authenticator App† screenshot 2
Authenticator App† screenshot 3
Authenticator App† screenshot 4
Authenticator App† screenshot 5
Authenticator App† screenshot 6

Secure your online accounts with a versatile two-factor authentication solution. Manage all your authentication codes in one place, offering enhanced security for websites, services, and crypto wallets. Supports biometric access and offline code generation.

What We Love

  • 🚀 Fast and smooth app
  • 🔒 Puts confidence in data security
  • 👍 Great app overall

Room to Improve

  • 🐛 Removed accounts after update
  • 🐛 Deleted authentication codes
  • 🐛 QR code scanning issues
Authenticator App#2

Authenticator App by UNSTABLE, SL

2FA Authentication MFA & OTP
Strong Contender
📊 Productivity
4.6😊(46K ratings)
FreeIn-App Purchases
#40in Productivity
Authenticator App screenshot 1
Authenticator App screenshot 2
Authenticator App screenshot 3
Authenticator App screenshot 4
Authenticator App screenshot 5
Authenticator App screenshot 6

This app provides secure two-factor authentication codes for your online accounts, enhancing security with encryption and backups. It offers seamless synchronization across Apple devices and quick access via widgets, even when offline.

What We Love

  • 🚀 Works well
  • 🔒 Secure and reliable
  • 👍 Easy to use and set up
  • 💡 Excellent cross-device sync and backup

Room to Improve

  • 🐛 Compatibility issues with newer devices
  • 💰 Expensive subscription
  • 🔒 Limited free version
RSA Authenticator (SecurID)#3

RSA Authenticator (SecurID) by RSA Security

Worth Considering
💼 Business
2.7😞(319 ratings)
Free
RSA Authenticator (SecurID) screenshot 1
RSA Authenticator (SecurID) screenshot 2
RSA Authenticator (SecurID) screenshot 3
RSA Authenticator (SecurID) screenshot 4
RSA Authenticator (SecurID) screenshot 5
RSA Authenticator (SecurID) screenshot 6

This app provides multi-factor authentication for enterprises, offering passwordless security through device-bound passkeys. It supports various authentication methods like OTP, biometrics, and push notifications to secure digital access.

What We Love

  • 🚀 Works great
  • 🔒 Secure authentication
  • 👍 Easy to use
  • 🚀 Convenient alternative to hardware token

Room to Improve

  • 🐛 Face ID bug
  • 🐛 Persistent token disappearing issue
  • 🐛 Buggy app

More Gst Secure Otp apps to explore

4
Authenticator App+
Authenticator App+
Authenticator App+
2FA Two Factor Authentication
Free

Secure your online accounts with this app. It generates and stores two-factor authentication codes for popular services. Features include QR code scanning, end-to-end encryption, and device syncing.

Generate and store 2FA/MFA codesScan QR codes or enter manuallyEnd-to-end encryption
📊 Productivity
(12K)
subscription
5
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
Authenticator App - 2FA Auth +
OTP Two Factor for ID Verify
Free

This app provides secure two-factor authentication (2FA) codes for thousands of online accounts. It also offers a password manager with autofill, encrypted backups, and cross-device sync for enhanced digital security.

Two-Factor Authentication (2FA) codesPassword Manager with AutofillEncrypted Backups
📊 Productivity
(2.2K)
free with in-app purchases
6
The Authenticator‎ App
The Authenticator‎ App
The Authenticator‎ App
Authenticate - 2FA, MFA, OTP
Free

Enhance your online security with this app, which generates one-time passwords for two-factor authentication. It helps protect your accounts from unauthorized access and secures your personal data. Cloud storage is available for managing your keys and passwords.

Two-factor authentication (2FA)Multi-factor authentication (MFA)One-time password (OTP) generation
📊 Productivity
(2.6K)
subscription
7
Google Authenticator
Google Authenticator
Google Authenticator
by Google LLC
Free

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.

Offline code generationSync codes across devicesAutomatic QR code setup
🔧 Utilities
(1.1M)
free
8
Authenticator
Authenticator
Authenticator
Simple 2-factor authentication
Free

This app provides a secure and straightforward way to protect your online accounts. It generates one-time passwords that, when combined with your regular password, significantly enhance your account security. The app operates offline, ensuring your sensitive data remains on your device.

Generates one-time passwordsQR code setupEncrypted data storage
🔧 Utilities
(407)
free
9
AVG Mobile Security
AVG Mobile Security
AVG Mobile Security
Protection & private data
Free

Safeguard your digital life with features like identity protection, a secure photo vault, and Wi-Fi scanning. Get instant alerts for leaked passwords and browse privately with a built-in VPN. Protect your sensitive information from online threats.

Identity Protection for leaked passwordsEncrypted Photo VaultWi-Fi Security Scanner
🔧 Utilities
(76K)
free with in-app purchases
10
VIP Access for iPhone
VIP Access for iPhone
VIP Access for iPhone
by Broadcom Inc
Free

Enhance your online security with strong, two-factor authentication for your accounts. Generate one-time security codes or approve push notifications to protect your sensitive information.

Strong two-factor authenticationGenerate one-time security codesApprove push notification logins
💼 Business
(107)
free
11
NETGEAR Armor
NETGEAR Armor
NETGEAR Armor
Bitdefender Powered Security
Free

This app offers robust mobile security and privacy features for NETGEAR Armor customers. It protects against scams, phishing, and malicious websites, while also providing VPN services and account breach monitoring. Keep your sensitive information safe on any network.

Scam Alert & SMS/MMS FilterCalendar ProtectionSecurity Scan
🔧 Utilities
(10K)
free
12
Authenticator™ App
Authenticator™ App
Authenticator™ App
Authenticator App
Free

This app generates secure, time-based one-time passwords for two-factor authentication. It supports automatic setup via QR code and works offline, synchronizing across Apple devices with iCloud backup and encryption.

Automatic QR code setupOffline code generationiCloud Backup & Encryption
🔧 Utilities
(239)
free with in-app purchases
13
Authenticator 2FA, MFA, OTP
Authenticator 2FA, MFA, OTP
Authenticator 2FA, MFA, OTP
Secure Login & TOTP Code Vault
Free

Secure your online accounts with a fast and easy two-factor authentication app. It supports quick setup via QR code scanning, Face ID, and includes a built-in password manager for auto-filling credentials. Compatible with all major 2FA-enabled platforms.

Quick setup with QR code scanningFace ID supportBuilt-in password manager
🔧 Utilities
(78)
free with in-app purchases
14
SecureSafe Password Manager
SecureSafe Password Manager
SecureSafe Password Manager
Password Generator & Autofill
Free

This app offers secure cloud storage with a built-in password manager. It features strong encryption and multiple data storage layers for maximum privacy. Store passwords, financial details, documents, and media securely.

Password managerSecure cloud storageAES-256 and RSA-2048 encryption
📊 Productivity
(19K)
freemium
15
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Two Factor Authenticator & OTP
Simple 2FA authentication app
Free

Enhance your online security with robust two-factor and multi-factor authentication. This app generates secure one-time passwords and supports multiple protocols, with features like backup, restore, and encrypted data storage for peace of mind.

Two-Factor Authentication (2FA)Multi-Factor Authentication (MFA)TOTP and HOTP Support
🔧 Utilities
(133)
subscription
16
BonChat
BonChat
BonChat
Secure Messaging Redefined
Free

This app offers secure messaging and file sharing with state-of-the-art end-to-end encryption. It provides options for private or on-premise server deployment, advanced group management, and a user-friendly interface. Enjoy seamless cross-platform communication with full control over your data.

End-to-end encryptionPrivate/on-premise server deploymentAdvanced group management
🌐 Social Networking
(58K)
free
17
Authenticator App - 2FA OTP
Authenticator App - 2FA OTP
Authenticator App - 2FA OTP
Authentication MFA & OTP
Free

Secure your online accounts with this 2FA OTP manager. It offers easy account setup via QR code scanning or manual entry, and enhances security with biometric authentication. All one-time passwords are stored locally on your device for increased protection.

2FA OTP managementQR code scanning for account setupManual code entry
📊 Productivity
(86)
free with in-app purchases
18
ADP Mobile Solutions
ADP Mobile Solutions
ADP Mobile Solutions
HR for Employees & Managers
Free

Access payroll, time, benefits, and HR information for yourself and your team. Track time, view pay statements, manage time off, and connect with colleagues. Managers can approve requests and view team calendars.

View pay & W2 statementsRequest and approve time offTrack time & attendance (punch in/out, timesheets)
💼 Business
(4.3M)
free with in-app purchases
19
PhonePe: Secure Payments App
PhonePe: Secure Payments App
PhonePe: Secure Payments App
UPI, Recharges, Bills Payments
Free

This app facilitates secure digital payments, including UPI transfers, mobile and utility bill recharges, and online/offline purchases. It also offers investment options in mutual funds and insurance policies.

BHIM UPI money transfersMobile and DTH rechargesUtility bill payments
💰 Finance
(162K)
free with in-app purchases
20
OTP Auth
OTP Auth
OTP Auth
2-Factor Auth for Pros
Free

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

Two-factor authentication supportEncrypted iCloud SyncSiri and Apple Watch support
🔧 Utilities
(463)
free with in-app purchases