One vs HENNGE Lock
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.
HENNGE Lock
This app offers One Time Password generation for secure second-factor authentication on compatible websites and services. It also provides enhanced security for specific cloud services, ensuring a smooth and protected login process.
- One Time Password (OTP) generation
- Second Factor Authentication (2FA)
- Secure login for compatible services
- Enhanced security for HENNGE One
- Seamless authentication experience
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HENNGE Lock provides standard Second Factor Authentication using One Time Passwords for any compatible website and service, as well as enhanced Second Factor Authentication for HENNGE One services for a seamless, secure login experience.
Screenshots
Verdict
The clearest difference is update cadence: HENNGE Lock at every 2 months against One's every 5 months. One's advantage is iOS requirement (14.0 vs 17.6). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
One ships an update every 5 months, HENNGE Lock every 2 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.
| Parameter | One | HENNGE Lock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (4 ratings) — better |
| Positive reviews | 12.5% of reviews | 16.7% of reviews — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 49 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | NTT DATA GROUP CORPORATION | HENNGE K.K. |
Customer experience
One
HENNGE Lock
In-app purchases
One
No in-app purchases
HENNGE Lock
No in-app purchases
