OTP Auth vs Mobile OTP Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTP Auth
Generate and manage two-factor authentication codes offline. Organize accounts with custom groups, search, and widgets. Securely store keys and choose your preferred protection methods.
- Offline code generation
- QR code scanning
- Custom account groups
- Search functionality
- Home Screen and Lock Screen widgets
- Apple Watch app
- Biometric app lock
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Keep your two-factor codes in one place. OTP Auth is an authenticator for iPhone and iPad that generates verification codes offline and helps you find the right account with groups and search. Generate codes, even offline • Add accounts by scanning a QR code, reading one from an image, or entering a setup key manually. • Generate TOTP and HOTP codes without an internet connection after setup. • See the countdown for time-based codes and tap to copy. Keep accounts organized • Separate work and personal accounts with custom groups. • Drag to reorder and search by name. • Choose icon symbols and colors, with light and dark themes. Codes within reach • View TOTP codes in Home Screen and Lock Screen widgets, or on Apple Watch. • Search accounts and add favorites on Apple Watch. • Lock Screen widgets require iOS 16 or later. Choose your protection • Authentication keys are stored in the device's system Keychain. • Enable the Face ID or Touch ID app lock and choose to hide codes by default. Premium: sync, back up and transfer The following features require an in-app purchase: • iCloud sync: sync authentication accounts between devices. • Encrypted backups: export a password-protected backup and import it when moving to a new device. • Account transfers: import supported authenticator backup files or transfer QR codes. • Service logos: match accounts with their services' icons. Code generation, QR setup, groups, search, icon symbols and colors, widgets, and Apple Watch features are free to use. Works with websites and services that support TOTP or HOTP. Enable two-factor authentication with the service before adding its account to OTP Auth.
Mobile OTP Authenticator
Securely manage your two-factor authentication codes. Easily add accounts by scanning QR codes or manual entry. Protect your online accounts with industry-standard HOTP and TOTP algorithms.
- QR code scanning for account setup
- Manual account entry
- Secure data storage in iOS Keychain
- Supports HOTP and TOTP algorithms
- Works with popular services like Google, Facebook, Amazon
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Scan the QR code issued by the two-factor authentication and automatically add the account you want to protect or select manual entry to manually set up the account. The account is stored in data security in the iOS key holder. The application supports all services that provide two-factor authentication using HOTP and TOTP algorithms. For example, Google, Facebook, Dropbox, Amazon, GitHub, Synology…. etc.
Screenshots
Verdict
OTP Auth and Mobile OTP Authenticator both sit at 3.4 stars, but that hides the real split: 100% of Mobile OTP Authenticator's written reviews are positive against 0% of OTP Auth's. Mobile OTP Authenticator also leads on in-app purchases (none vs 1). OTP Auth's advantage is ratings volume (19 vs 2). On price, rating, update cadence 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
Both are free to download. OTP Auth sells 1 one-off in-app purchase. Mobile OTP Authenticator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.4 for OTP Auth against 3.5 for Mobile OTP Authenticator. That said, the two scores are not equally well evidenced: OTP Auth has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 0% of OTP Auth's written reviews are positive against 100% of Mobile OTP Authenticator's.
OTP Auth ships an update every 6 months, Mobile OTP Authenticator every 8 months. The most recent releases landed on November 2, 2026 and October 17, 2026 respectively.
| Parameter | OTP Auth | Mobile OTP Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (19 ratings) | 3.5 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 19 — better | 2 |
| Update frequency | Every 6 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 11 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 浩 王 | Albert Parti |
Customer experience
OTP Auth
Mobile OTP Authenticator
In-app purchases
OTP Auth
- OTPAuth Premium$1.99
Mobile OTP Authenticator
No in-app purchases
Questions
Is OTP Auth free?
Is Mobile OTP Authenticator free?
Which has better reviews, OTP Auth or Mobile OTP Authenticator?
Do OTP Auth or Mobile OTP Authenticator have ads?
Which is updated more often, OTP Auth or Mobile OTP Authenticator?
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