One vs Smart RM
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
Read full descriptionHide full description
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.
Smart RM
Control your smart home devices remotely for enhanced comfort and energy savings. Experience a personalized smart living environment from anywhere.
- Remote device control
- Energy saving features
- Personalized smart life experience
- Comfort management
- Anywhere access
Read full descriptionHide full description
Keeping you comfortable and saving energy. Being controlled from anywhere. Enjoying your exclusive smart life.
Screenshots
Verdict
The clearest difference is review sentiment: Smart RM at 64% against One's 13%. One's advantage is update cadence (every 5 months vs every 18 months). On price, ads, in-app purchases and monetization model 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, Smart RM every 18 months. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.
| Parameter | One | Smart RM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (60 ratings) — better |
| Positive reviews | 12.5% of reviews | 64.0% of reviews — better |
| Number of ratings | — | 60 — better |
| Update frequency | Every 5 months — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 49 MB | 208 MB |
| Age rating | 4+ | 4+ |
| Developer | NTT DATA GROUP CORPORATION | Xiamen Haisen Electronics Technology Co.,Ltd. |
Customer experience
One
Smart RM
In-app purchases
One
No in-app purchases
Smart RM
No in-app purchases
