Open Authenticator

8.2 4

v1.4 by DLK Appentwicklung (Kulsch-IT)

Open Authenticator Open Authenticator
Also Available on Google Play

Editor's Review

A trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

About Open Authenticator

Open Authenticator (Package Name: is developed by DLK Appentwicklung (Kulsch-IT) and the latest version of Open Authenticator 1.4 was updated on July 26, 2014. Open Authenticator is in the category of Tools with the feature Two factor authentication. You can check all apps from the developer of Open Authenticator and find 17 alternative apps to Open Authenticator on Android. Currently this app is for free. This app can be downloaded on Android 2.1+ on APKFab or Google Play. All APK/XAPK files on are original and 100% safe with fast download. A SmartWatch 2 (Sony) compatible Fork of the original Google Authenticator.

A SmartWatch 2 (Sony) compatible Fork of the original Google Authenticator.

You can use it without a SmartWatch too, if you want a trusted open-source Authenticator. Formerly known as SmartWatch2 Authenticator free.

Use it for websites like and to enable 2 way Authentification to make login more secure.
Just enable it on your account and add it to this app, so you can always view it on your Smartwatch without the hassle of pulling your phone out of your pocket, unlock, start Authenticatorapp, view code and put it back.

Also this version have no Internet-Permission for all the paranoid people out there :) so no data can be send from your device to 3rd Parties.

It's tested and fully working on SmartWatch 2 and should also work on LiveView.

Any Security concerns? Just checkout all source-code on Github (see Websitelink on bottom)

If you want to donate some money for coffee (i don't like beer :D)
buy the donate version ( or donate at PayPal

I'm open to feature requests and bug reports. Drop an email to [email protected] for more. Thanks!

This is NOT the official Google published Google Authenticator, it can be found at but without SmartWatch features.
Any feature suggestions please email me or fork the code and do it yourself :)
Known issues:
Counter based accounts do not work, but this shouldn't affect most users

Original description below....
Enable 2-step verification to protect your account from hijacking.
Google Authenticator generates 2-step verification codes on your phone.
With 2-step verification, you can choose to add an additional layer of security for your Google Account by signing in with both a code generated by this application in addition to your password.
* Automatic setup via QR code
* Support for multiple accounts
* Support for multiple languages
To use this app, you need to first enable 2-step verification on your Google Account by visiting your Account Settings page. for instructions on how to setup two factor auth

Smart Connect™ extension for SmartWatch 2
LiveWare™ extension for SmartWatch
Source code available:
Forked from dgAuthenticator w/SmartWatch for adding Smart Watch 2 Support (

Open Authenticator 1.4 Update

Attention: Name of the app change to "Open Authenticator" on your phone with this update. Also added Donate/Webpage-link under Menu->Settings->About->Donate

also includes changes from version 1.3 pro update
changed animation-position
fixed fc on settings
changed name and icon in smartwatch utility

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Open Authenticator Features
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Android 2.1+