One vs Authenticator app
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One
This utility generates a secure, eight-digit disposable password every minute. These one-time passwords are ideal for enhancing security across various online services, as they become invalid after a short period, even if compromised.
- Generates eight-digit passwords
- Passwords valid for one minute
- Enhances online service security
- Disposable password functionality
- Requires OTP application at service
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What is One-Time Password? One-Time Password is the disposable password which is effective solely once. In this Application, a random eight digit password is generated every one minute. You can securely use the various kinds of services because the password is invalidated in one minute even if the password is stolen. For using this App, it is required to apply for the OTP at the service which adopted this App. As applying for the OTP, the email notification about the App procedure will be delivered at the email address registered.
Authenticator app
This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.
- Two-factor authentication (2FA)
- Multi-factor authentication (MFA)
- Supports 1000+ apps
- Apple Watch support
- Quick widget support
- QR code scanning
- Encrypted backup
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Authenticator app is a highly recommended free 2FA app used for securing your accounts on different platforms such as Instagram, Google, Facebook, Github, Twitter and many more. We support 1000+ apps for authentication! Take a look at the unique features of the app: - Apple Watch Support Now access your 2-factor & multi-factor authentication codes from your Apple watch for faster accessibility. - Quick Widget Support Add widgets to your screen for faster, easier 2FA & Multi-Factor Authentication. - Super Safe & Secure: Your passwords are safe and sound as the app has no data exchange with the internet, so no one can get to know it except you. - Scan QR Code: Just one tap QR scan for easy access and hassle-free registration. - Enter Code Manually: Enter a secret key to the app for secure authentication. - Supports All Popular Accounts: Authenticator app supports the most popular services including Facebook, Coinbase, Amazon, Google, Instagram, Roblox and thousands of other providers. - No Password Stored: The application generates Time-based One-time Passwords (TOTP), stored on the user's phone without internet access. This solution dramatically increases login security. - Encrypted Backup: In Authenticator, you can always make a secure encrypted backup, in case you lose your device or switch to a new one. For a safe and secure experience try the application NOW! Privacy Policy: https://maximaapps.com/authenticator/privacy/ Terms of Use: https://maximaapps.com/authenticator/terms_of_use/ For any questions or requests, please use our customer support: feedback@maximaapps.com
Screenshots
Verdict
The clearest difference is review sentiment: Authenticator app at 68% against One's 13%. Authenticator app also leads on update cadence (monthly vs every 5 months) and device support (4 vs 2). One's advantage is in-app purchases (none vs 11) and iOS requirement (14.0 vs 16.0). On price 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. Authenticator app sells 11 in-app purchases, starting at $4.99 per month. One asks for nothing beyond the download.
One ships an update every 5 months, Authenticator app monthly. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.
| Parameter | One | Authenticator app |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (5.8K ratings) — better |
| Positive reviews | 12.5% of reviews | 67.6% of reviews — better |
| Number of ratings | — | 5.8K — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 49 MB | 279 MB |
| Age rating | 4+ | 4+ |
| Developer | NTT DATA GROUP CORPORATION | Maxima Apps |
Customer experience
One
Authenticator app
Bugs and requests
One
Not enough reviews yet to summarise bugs or requests.
Authenticator app
Reported bugs
4 issues- Codes not working or generating errors
- App crashing or freezing during use
- Accounts being deleted or inaccessible
- Compatibility issues with certain devices or platforms
Requested features
4 requests- Improved user interface and instructions
- Better compatibility with other apps and services
- Option to export/backup authentication codes
- Ability to easily manage and remove accounts
In-app purchases
One
No in-app purchases
Authenticator app
- Authenticator Premium Monthly$4.991 Month
- Authenticator App Premium Weekly7 Days trial$5.997 Days
- Authenticator Premium Monthly$9.991 Month
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- Authenticator App Weekly Premium3 Days trial$9.997 Days
- Authenticator Premium Yearly$29.991 Year
- Authenticator Premium Yearly$49.991 Year
- Authenticator App Premium Yearly$59.991 Year
- Premium Access 3 Month Trial3 Months trial$69.991 Year
- Authenticator Premium Lifetime$49.99
- Authenticator Premium Lifetime$69.99
- Authenticator App Lifetime$99.99
Questions
Is One free?
Is Authenticator app free?
Do One or Authenticator app have ads?
Which is updated more often, One or Authenticator app?
Other comparisons
