# One vs One Time Password

The clearest difference is in-app purchases: One at none against One Time Password's 3. One also leads on update cadence (every 5 months vs every 118 months) and review sentiment (13% vs 0%). On price, ads and device support there is nothing between them.

Both are free to download. One Time Password sells 3 in-app purchases, starting at $14.99 per year. One asks for nothing beyond the download.

One ships an update every 5 months, One Time Password every 118 months. The most recent releases landed on September 4, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | One | One Time Password |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/one-time-password-2fa-vault/id1150502006/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **12.5% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 118 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 12 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NTT DATA GROUP CORPORATION](https://appshunter.io/developer/478236616) | [Nattapon Kittisuphat](https://appshunter.io/developer/1112583260) |

## What reviewers say

### One

[App page](https://appshunter.io/ios/app/one-time-password/id1028958661)

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.

**Highlights:** Generates eight-digit passwords, Passwords valid for one minute, Enhances online service security, Disposable password functionality, Requires OTP application at service

**Features:** Vision Pro support

**In-app purchases:** none


### One Time Password

[App page](https://appshunter.io/ios/app/one-time-password-2fa-vault/id1150502006)

This app provides a secure and simple way to store confidential login information for websites and email platforms. It utilizes Touch ID or a passcode for device owner validation, ensuring your data is protected.

**Highlights:** Securely stores login credentials, Uses Touch ID for validation, Passcode as an alternative to Touch ID, Simple and nice design, Protects confidential information

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Pro | $14.99 | per year |
| Remove Banner | $2.99 | one-time |
| Lifetime Pro | $29.99 | one-time |


## Frequently asked questions

### Is One free?

One is free to download, with no in-app purchases.

### Is One Time Password free?

One Time Password is free to download, with in-app purchases available.

### Do One or One Time Password have ads?

Neither One nor One Time Password shows ads.

### Which is updated more often, One or One Time Password?

One ships an update every 5 months, and One Time Password every 118 months. Most recently, One was updated on September 4, 2026 and One Time Password on June 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*