OTP vs Authenticator TOTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTP
This app generates secure one-time passwords for two-factor authentication on your device. It supports various protocols, allows easy account setup via QR codes or manual entry, and offers robust security features like biometric locks and encrypted backups.
- TOTP & HOTP code generation
- QR code scanning for setup
- Biometric app lock (Face ID/Touch ID)
- Encrypted data export/import
- Account grouping and organization
- Dark Mode support
- iCloud sync and backup
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OTP-Auth is a beautifully designed two-factor authentication (2FA) app that generates one-time passwords on your iPhone. Supporting both TOTP and HOTP protocols, it adds an essential layer of security to all your online accounts. KEY FEATURES: - Generate TOTP & HOTP verification codes offline - Scan QR codes or add accounts manually - Tap to reveal code and copy to clipboard - Face ID & Touch ID biometric app lock - Dark Mode with system, light, and dark themes - iCloud sync and backup across devices - Export & import data with AES-256-GCM encryption - Import from Google Authenticator, 2FAS, and Aegis - 60+ branded service icons with auto-matching - Account grouping with drag-and-drop reorder - Search and sort by name, type, or custom order - Modern card-style UI with smooth animations SECURITY FIRST: Your authentication secrets never leave your device or your iCloud. Encrypted exports use AES-256-GCM. Biometric authentication keeps your codes private even if someone has your phone. IMPORT & EXPORT: Easily migrate from other authenticator apps. OTP-Auth supports encrypted JSON, plain text URI, 2FAS backup, Aegis vault, and Google Authenticator QR migration. Export your data securely with password-protected encryption. ORGANIZE YOUR WAY: Group accounts into custom folders, drag and drop to reorder, and use the built-in search to find any account instantly. Hide codes by default and reveal with a tap. PERMISSIONS: Camera access is required for scanning QR codes to add accounts. Learn more about OTP verification: https://www.wikiwand.com/en/One-time_password
Authenticator TOTP
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Protect your online accounts with TOTP Authenticator — the fast, secure, and beautifully designed two-factor authentication app. Generate time-based one-time passwords (TOTP) right on your device, no internet connection required. Setting up is effortless. Just scan a QR code and your account is ready in seconds. Whether it's Google, GitHub, Amazon, Discord, or any service that supports 2FA — TOTP Authenticator has you covered. ▸ KEY FEATURES • Scan QR codes to add accounts instantly • Generate 2FA codes offline — no network needed • Lock Screen Widgets for quick access to your codes • Apple Watch app — view codes right from your wrist • Password AutoFill integration (iOS 18+) — codes fill automatically • Biometric Lock with Face ID or Touch ID • iCloud Sync across all your Apple devices • Export accounts as QR codes for easy backup or migration • Support for SHA-1, SHA-256, and SHA-512 algorithms • Available in 38 languages ▸ SECURITY FIRST Your secrets never leave your device unprotected. All sensitive data is stored in the iOS Keychain — not in plain text, not in a database. Codes are generated locally on your device, so they work even in airplane mode. Optional biometric lock adds an extra layer of protection. ▸ WIDGETS & AUTOFILL Add Lock Screen and Home Screen widgets to see your codes at a glance. With iOS 18+ Password AutoFill, your verification codes are suggested automatically when you sign in to apps and websites — no copying and pasting. ▸ PREMIUM Premium unlocks everything: • Unlimited accounts • Apple Watch companion app • iCloud Sync • Export accounts as QR codes • Biometric app lock Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID account settings. Privacy Policy: https://github.com/spiroba/Totp/blob/main/PRIVACY_POLICY.md Terms of Use: https://github.com/spiroba/Totp/blob/main/TERMS_OF_SERVICE.md
Screenshots
Verdict
The clearest difference is update cadence: Authenticator TOTP at fortnightly against OTP's every 6 months. OTP's advantage is iOS requirement (9.3 vs 17.6). On price, ads, in-app purchases and device support 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
Both are free to download. OTP sells 1 one-off in-app purchase and Authenticator TOTP sells 4 in-app purchases, starting at $3.49 per 7 days. Whichever you choose, the download price is not the number that matters.
OTP ships an update every 6 months, Authenticator TOTP fortnightly. The most recent releases landed on September 29, 2026 and October 5, 2026 respectively.
| Parameter | OTP | Authenticator TOTP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (18 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 9.3 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | 浩 王 | Boris Spiro |
In-app purchases
OTP
- OTPAuth Premium$1.99
Authenticator TOTP
- Weekly3 Days trial$3.497 Days
- Monthly3 Days trial$7.991 Month
- Yearly3 Days trial$49.991 Year
- Lifetime$79.99









