# OTP Authenticator

> OTP Authenticator (iPhone/iPad app by Swiss SafeLab GmbH.)

- Source: https://appshunter.io/ios/app/otp-authenticator/id915359210 (this page in markdown: same URL + `.md`)
- Developer: [Swiss SafeLab GmbH](https://appshunter.io/developer/915359213)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 7.0 · 16 MB
- Languages: English, French, German, Italian, Spanish
- Released: 2014-10-05
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/otp-authenticator/id915359210/reviews.md

## What is OTP Authenticator?

Swiss SafeLab OTP Authenticator is a free strong one-time password app fully compliant to the mOTP specification (http://motp.sourceforge.net/). mOTP is based on time synchronized one-time-passwords.

Swiss SafeLab OTP Authenticator Features:

 - MUI Support (English, German, Swiss German, French, Italian, Spanish)
- multiple accounts with individual mOTP Secret and bookmark
- supports bookmarks
- define mOTP Secret by
  - manual mOTP Secret input
  - shaking the device
  - random seed input
- supports 4 digit PIN (as by specification)
- supports alphanumeric PIN
- permanently hide mOTP Secret after profile creation
- displays current epoch time, local time and local time zone
- copy-to-clipboard support
- option to generate new mOTPs without the requirement of entering PIN again

Swiss SafeLab OTP Authenticator is supported by our pure software-based two factor authentication solution Swiss SafeLab M.ID Suite (https://www.swiss-safelab.com/mid/).


## Version history (last 3 releases)

### 1.5.2 — 2015-08-25

This app has been updated by Apple to display the Apple Watch app icon.

- Load Profile by selecting a QR code from your image gallery.
- Minor bug fixes

### 1.4.6 — 2015-02-04

- Support for Company mode for Profile Creation
- Scan QR Code for profile information

### 1.4.1 — 2014-10-03

No release notes.

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## Related topics

[free otp authenticator](https://appshunter.io/ios/topics/free-otp-authenticator)

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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 2026-05-17.*