# mOTP - mobile OneTimePasswords

> Utilities

Canonical page: [https://chrome-stats.com/d/id318414073](https://chrome-stats.com/d/id318414073)

## Overview

- **ID:** `id318414073`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** ise solutions
- **Category:** Utilities
- **Rating:** 2.70 / 5 (10 ratings)
- **Version:** 1.4
- **Last updated:** 2019-08-20
- **First published:** 2009-06-07
- **Size:** 778 KB
- **Data as of:** 2026-09-20
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/motp-mobile-onetimepasswords/id318414073)
- **Privacy policy:** [http://ise-solutions.net/privacy/motp-privacy-en.html](http://ise-solutions.net/privacy/motp-privacy-en.html)

## Description

This application lets you generate One Time Passwords that are used for a more secure authentication (two-factor) - instead of having to enter a static password the iPhone plays the role as a "security token" that generates passwords that are valid only one time. 

The authentication mechanism is based on two factors: 
- the token device (i.e. mOTP-Application) and
- a PIN 

Since the generated passwords are only valid for a very short time - it is of no use for a possible attacker.
Moreover the passwords can only be generated with a hold of the PIN as well as the token device.

Note:
- the server you want to log onto also needs to implement the OTP-algorithm, you need to configure your "shared secret/PIN" there
- the secret key is generated using random by shaking your iPhone :)
- the algorithm uses MD5-hashing
- compare this solution with "Mobile-OTP" Midlet solution on http://motp.sourceforge.net/- also free server components to be used e.g. as PAM can be found there.
- the clocks of your iPhone and your Server have to be in sync
- the algorithm can also be used for implementing a challenge-response authentication i.e. the PIN is not fixed but a random number is provided to you by the server at the login prompt.

## Rankings

- #418,201 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id318414073)