Comparison

Authenticator App・ 2FA, MFA vs USDT Alert

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

Head to head
About

Authenticator App・ 2FA, MFA

This app generates time-based one-time passwords for enhanced login security. It supports multiple accounts, QR code scanning for easy setup, and biometric protection. Premium offers unlimited access to all features, including a built-in password manager and breach checking.

Highlights
  • Secure 2FA code generation
  • QR code scanning setup
  • Multi-account support
  • Biometric protection (Face ID/Touch ID)
  • Built-in password manager
  • Leaked password and email breach checks
  • Cross-device backup and sync
Features
Read full description

Generate time-based one-time passwords (TOTP) to add an extra layer of security to your logins. FEATURES: • Secure 2FA code generation • Easy setup with QR code scanning • Supports multiple accounts • Face ID / Touch ID protection • Simple and easy-to-use interface • Check leaked passwords & email breaches • Backup & Sync across devices • Built-in password manager with AutoFill support Your data stays on your device. We do not collect or share personal information. Download Authenticator App and keep your accounts safe. *** Upgrade to Premium to unlock unlimited access to all features. *** You can choose: - yearly subscription - weekly subscription - weekly with 3 day free trial – Payment will be charged to iTunes Account at confirmation of purchase (After free trial period if offered). – Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. – Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. – Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. – Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://sites.google.com/view/authenticator-app-2fa-mfa/privacy-policy Term of service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://sites.google.com/view/authenticator-app-2fa-mfa/support

About

USDT Alert

Receive instant push notifications for USDT transactions on monitored wallet addresses. Track multiple addresses with clear event details and quick setup for actionable updates.

Highlights
  • Real-time USDT wallet monitoring
  • Instant push notifications
  • Multi-address tracking
  • Clear activity view
  • Simple address management
Features
Read full description

USDT Alert helps you monitor wallet activity and get notified the moment a USDT transaction happens. Add the wallet addresses you care about and receive fast, reliable push notifications for key transfer events. Whether you are tracking personal wallets or operational addresses, USDT Alert keeps updates clear and actionable. USDT Alert is a read-only blockchain monitoring and notification tool. It does not store private keys, hold or custody funds, execute transactions, buy, sell, or exchange cryptocurrency, or provide investment advice or trading signals. Key features: Real-time USDT wallet monitoring Instant push notifications Multi-address tracking in one app Clean activity view with clear event details Quick setup with simple address management Terms of Use: https://usdtalert.app/terms.html Privacy Policy: https://usdtalert.app/privacy.html

Screenshots

Authenticator App・ 2FA, MFA4 screens
USDT Alert3 screens

Verdict

The call

The clearest difference is rating: USDT Alert at 5.0 against Authenticator App・ 2FA, MFA's 4.6. USDT Alert also leads on update cadence (every 8 days vs every 3 weeks). On price, review sentiment, ratings volume and ads 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・ 2FA, MFA sells 3 in-app purchases, starting at $7.99 per 7 days and USDT Alert sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

USDT Alert holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Authenticator App・ 2FA, MFA ships an update every 3 weeks, USDT Alert every 8 days. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
Authenticator App・ 2FA, MFA versus USDT Alert: the parameters behind the verdict, then further details
ParameterAuthenticator App・ 2FA, MFAUSDT Alert
PriceFreeFree
Rating4.6 (7 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings7 — better3
Update frequencyEvery 3 weeksEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.5 — better
Further details — not scored
Size96 MB86 MB
Age rating17+17+
Developer090Bravo Hong Kong LimitedScanAI LLC

Customer experience

Authenticator App・ 2FA, MFA

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

USDT Alert

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Authenticator App・ 2FA, MFA

Subscriptions3
  • Weekly Subscription$7.997 Days
  • Weekly Subscription With 3D Trial3 Days trial$9.997 Days
  • Yearly Subscription Basic$69.991 Year
2 purchases

USDT Alert

Subscriptions2
  • Monthly Membership$9.991 Month
  • Yearly Membership$89.991 Year

Questions

Is Authenticator App・ 2FA, MFA free?
Authenticator App・ 2FA, MFA is free to download, with in-app purchases available.
Is USDT Alert free?
USDT Alert is free to download, with in-app purchases available.
Which has better reviews, Authenticator App・ 2FA, MFA or USDT Alert?
USDT Alert is rated higher. Authenticator App・ 2FA, MFA averages 4.6 out of 5 from 7 ratings, while USDT Alert averages 5.0 from 3 ratings.
Do Authenticator App・ 2FA, MFA or USDT Alert have ads?
Neither Authenticator App・ 2FA, MFA nor USDT Alert shows ads.
Which is updated more often, Authenticator App・ 2FA, MFA or USDT Alert?
Authenticator App・ 2FA, MFA ships an update every 3 weeks, and USDT Alert every 8 days. Most recently, Authenticator App・ 2FA, MFA was updated on October 4, 2026 and USDT Alert on September 30, 2026.

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