# One-Time Password

> Generates secure, time-sensitive disposable passwords for online service authentication. (iPhone/iPad app by NTT DATA GROUP CORPORATION.)

- Source: https://appshunter.io/ios/app/one-time-password/id1028958661 (this page in markdown: same URL + `.md`)
- Developer: [NTT DATA GROUP CORPORATION](https://appshunter.io/developer/478236616)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 14.0 · 49 MB
- Languages: American English
- Released: 2015-12-22
- Data updated: 2026-08-13
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/one-time-password/id1028958661/reviews.md

## What is One?

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.

## Key features

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

## Recent user reviews (8 of 8)

All indexed reviews: https://appshunter.io/ios/app/one-time-password/id1028958661/reviews.md

### 1/5 — くっそみたいな機能

*2025-12-16*

悪口にならないようにするが、それでもクソみたいなしょぼ機能……朝のアクセスにめっちゃ時間かかる

### 1/5 — もう嫌

*2025-02-24*

やめて欲しい

### 1/5 — エラーが出て、初期設定が出来ません

*2022-04-08*

エラーが出て、初期設定が出来ません

### 5/5 — 素晴らしいです

*2021-05-17*

素晴らしい機能が付いてます。

### 1/5 — 仕事で使わざるおえないけど...

*2020-08-07*

先方都合で再申請すると再インストールが必要になるし、何かと使いづらい。

### 1/5 — 全然使えない

*2020-07-14*

もう使わない

### 3/5 — ぜひApple Watch対応を

*2020-06-04*

お願いいたします

### 1/5 — もう少し安定した動作を

*2019-02-28*

iOS12のiPhone5Sでは3,4回に1回、メモリ不足で落ちます。仕事に支障をきたしてます。

## Frequently asked questions about One

### What is One-Time Password used for?

One-Time Password generates disposable passwords that are effective for a single use, typically for authentication. These passwords are valid for only one minute, significantly enhancing the security of your online services.

### How does One-Time Password work?

The application generates a new eight-digit password every minute. This password is then used to authenticate your access to a service. Once the minute is up, the password becomes invalid, preventing unauthorized access even if it was stolen.

### Is One-Time Password free to use?

Yes, One-Time Password is a free application. There are no costs associated with downloading or using its core functionality for generating disposable passwords.

### Does One-Time Password have ads?

No, One-Time Password does not contain advertisements. Users can generate their one-time passwords without any interruptions from ads.

### What devices support One-Time Password?

One-Time Password is available for iPhone and iPod devices. It is designed to provide secure authentication on these Apple mobile platforms.

### How often is One-Time Password updated?

The application was last updated on August 4, 2026, with version 3.3.0. This indicates a history of maintenance and potential feature improvements over time.

### What is the age rating for One-Time Password?

One-Time Password has an age rating of 4+. This means it is considered suitable for users of all ages, with no content restrictions.

### Do I need to apply for OTP at my service to use One-Time Password?

Yes, to use One-Time Password, it is required to apply for an OTP at the specific service you wish to secure. You will receive email notifications regarding the application procedure.

## Version history (last 5 releases)

### 3.3.0 — 2026-08-04

軽微な修正を行いました。

### 3.2.0 — 2026-02-16

軽微な修正を行いました。

### 3.1.1 — 2026-01-08

アプリの一部設定を見直しました。機能への影響はありません。

### 3.1.0 — 2025-09-02

軽微な修正を行いました。

### 3.0.1 — 2025-06-19

軽微な修正を行いました。

## Apps similar to One

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [SQUARE ENIX Software Token](https://appshunter.io/ios/app/square-enix-software-token/id617970570) | 2.0 (351) | Free | Utilities |
| [FreeOTP Authenticator](https://appshunter.io/ios/app/freeotp-authenticator/id872559395) | 3.2 (173) | Free | Utilities |
| [MinID App](https://appshunter.io/ios/app/minid-app/id1555414999) | 1.0 (3) | Free | Utilities |
| [OTP Auth](https://appshunter.io/ios/app/otp-auth/id659877384) | 4.6 (463) | Free | Utilities |
| [One Time Password: 2FA Vault](https://appshunter.io/ios/app/one-time-password-2fa-vault/id1150502006) | 2.0 (4) | Free | Utilities |
| [DigitalPersona](https://appshunter.io/ios/app/digitalpersona/id1063787218) | 3.8 (5) | Free | Utilities |

## More apps by NTT DATA GROUP CORPORATION

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All apps by NTT DATA GROUP CORPORATION: https://appshunter.io/developer/478236616

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*