Comparison

Authenticator vs ByteGuard

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

Head to head
About

Authenticator

Secure your digital life with this two-factor authentication and one-time password manager. It offers effortless, reliable, and private multi-factor authentication for all your accounts, from personal logins to crypto wallets.

Highlights
  • Two-factor authentication (2FA)
  • One-time password (OTP) generation
  • Multi-factor authentication (MFA)
  • Account security
  • User-friendly interface
  • No sign-up required
  • Optional cloud syncing
Features
Read full description

Authenticator: 2FA & OTP App is your ultimate two-factor authentication (2FA) and multi-factor authentication (MFA) solution. Protect all your online accounts from unauthorized access with secure, time-based one-time passwords (TOTP) and HMAC-based codes (HOTP). Securing your personal accounts, work logins, crypto wallets, or developer platforms is now effortless, fast, and 100% private. KEY FEATURES: • INSTANT QR CODE SCANNER Set up 2FA accounts in seconds! Simply scan any standard QR code or manually enter secret keys. • ENCRYPTED VAULT & CLOUD BACKUP Keep your tokens safe with military-grade encryption. Seamlessly back up and sync your 2FA codes across all your devices so you never get locked out. • BIOMETRIC LOCK & PRIVACY FIRST Protect your authentication passcodes using Face ID, Touch ID, or a custom PIN code. Your secret keys stay encrypted on your device. • HOME SCREEN WIDGETS Access your OTP 2FA codes directly from your iPhone Home Screen without opening the app. • COMPATIBLE WITH 1,000+ SERVICES Works seamlessly with all major services including Google, Instagram, Facebook, Discord, Binance, Coinbase, Microsoft, GitHub, Amazon, Twitter/X, Workday, and more. • OFFLINE GENERATOR Generate secure 6-digit and 8-digit verification codes anytime, anywhere — even without an active internet connection. WHY CHOOSE AUTHENTICATOR APP? - No sign-up or registration required. - Zero tracking or data collection. - Offline-first architecture for maximum data protection. Take total control of your digital security today. Download Authenticator: 2FA & OTP App now! --- Privacy Policy: https://hiteshbhagchandani.framer.website/legal-terms/authenticator/privacy-policy Terms of Use: https://hiteshbhagchandani.framer.website/legal-terms/authenticator/terms-and-condition

About

ByteGuard

Securely manage passwords, generate strong ones, and store sensitive information with zero-knowledge encryption. Includes a built-in authenticator for 2FA codes and supports passkeys for passwordless sign-ins. Offers robust security features and cross-device syncing.

Highlights
  • Zero-knowledge encryption
  • Password generation and management
  • Built-in authenticator for 2FA
  • Passkey support
  • Secure storage for notes and cards
  • Security reports and analysis
  • Cross-device iCloud sync
Features
Read full description

ByteGuard is a secure password manager and authenticator with zero-knowledge encryption. Your data stays completely private — we can't see it, only you can decrypt it. KEY FEATURES ◆ MILITARY-GRADE SECURITY • Zero-knowledge architecture: all encryption happens locally • AES-256-GCM encryption with Argon2id key derivation • Dual protection: Master Password + Secret Key • Biometric unlock (Face ID / Touch ID / Optic ID) • Auto-lock when you leave the app • Privacy screen protection in app switcher • Compatible with Apple Lockdown Mode ◆ SMART PASSWORD MANAGEMENT • Store unlimited passwords, cards, notes & identities — free • One-tap AutoFill in Safari and apps • Smart matching of associated domains for the same service • Auto-prompt to save new passwords from browsers (iOS 26.2+) • Powerful password generator with random characters or memorable passphrases • Password history tracking ◆ BUILT-IN AUTHENTICATOR • 2FA/TOTP & HOTP code generator • Works as your standalone authenticator app • Auto-copy codes + system-level one-tap AutoFill (iOS 18.0+) • SHA-1, SHA-256 & SHA-512 support ◆ PASSKEY SUPPORT • Create, store and use passkeys for passwordless sign-in • Works across browsers and apps • Syncs via iCloud to all your devices ◆ STORE MORE THAN PASSWORDS • Bank cards, identity documents & secure notes • API keys, software licenses & OAuth tokens • Organize with custom tags • Recover deleted items for 30 days ◆ MULTIPLE VAULTS • Separate vaults for personal, work & family • Each vault has independent encryption & Secret Key • Quick switch between vaults ◆ SECURITY REPORT • Password strength analysis, duplicate detection & expiration alerts • HTTP-only site detection • Data breach monitoring via Have I Been Pwned • 2FA coverage check • At-a-glance security summary on home screen • Overall security score (0–100) ◆ SYNC & BACKUP • Optional iCloud sync across all your Apple devices • End-to-end encrypted cloud backup • Import from 1Password, Bitwarden, LastPass, Dashlane, KeePass & Apple Keychain • Export to CSV, JSON or encrypted .bytegx ◆ PRIVACY FIRST • No account required to start • No tracking, no analytics, no ads • Your data never leaves your device unencrypted • Works fully offline ◆ WIDGETS & SPOTLIGHT • Quick-access widget with vault stats / color-coded digits & symbols • Password generator widget with one-tap copy • Spotlight search for instant access WHY BYTEGUARD? ByteGuard uses a zero-knowledge architecture. Your master password never leaves your device, and all encryption happens locally. Only you can access your data. FREE PLAN • Unlimited passwords, cards, notes & identities • Unlimited 2FA codes • Biometric unlock & AutoFill • Password generator & auto-lock PREMIUM (upgrade anytime) • iCloud sync & cloud backup • Unlimited vaults (free: up to 3) • Batch import & export • Data breach detection • Full security report • Custom themes Start with a 30-day free trial of all premium features. No credit card required. Monthly ($0.99), Yearly ($5.99), or Lifetime ($9.99) — pay once, use forever. --- Terms of Service: https://bytelink.online/en/terms Privacy Policy: https://bytelink.online/en/privacy Support: hellobyteguard@gmail.com

Screenshots

Authenticator4 screens
ByteGuard4 screens

Verdict

The call

The clearest difference is update cadence: ByteGuard at weekly against Authenticator's fortnightly. On price, rating, 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 sells 2 in-app purchases, starting at $4.99 per month and ByteGuard sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Authenticator against 5.0 for ByteGuard. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Authenticator ships an update fortnightly, ByteGuard weekly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 9 level
Authenticator versus ByteGuard: the parameters behind the verdict, then further details
ParameterAuthenticatorByteGuard
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size80 MB24 MB
Age rating4+4+
DeveloperHitesh Bhagchandani可文 麦

Customer experience

Authenticator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

ByteGuard

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Authenticator

Subscriptions2
  • Authenticator Pro Monthly$4.991 Month
  • Authenticator Pro Yearly$14.991 Year
3 purchases

ByteGuard

Subscriptions2
  • Monthly Subscription$0.991 Month
  • Yearly Subscription$5.991 Year
One-time1
  • Lifetime Premium$9.99

Questions

Is Authenticator free?
Authenticator is free to download, with in-app purchases available.
Is ByteGuard free?
ByteGuard is free to download, with in-app purchases available.
Which has better reviews, Authenticator or ByteGuard?
Authenticator and ByteGuard are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Authenticator or ByteGuard have ads?
Neither Authenticator nor ByteGuard shows ads.
Which is updated more often, Authenticator or ByteGuard?
Authenticator ships an update fortnightly, and ByteGuard weekly. Most recently, Authenticator was updated on October 14, 2026 and ByteGuard on October 6, 2026.

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