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Protect your Blizzard account and games using our free Mobile Authenticator app!

The app offers two factor authentication, protecting everything from your most storied World of Warcraft characters to your meticulously crafted Hearthstone decks. The authenticator app provides a one-touch button experience so you can approve or decline any login attempt. With the Mobile Authenticator, you can rest easy knowing that your Blizzard account is more secure.

Internet connection required. For more information on how to add the Blizzard Mobile Authenticator to your account, visit https://blizzard.com/support/article/24520.

Note: this app is not compatible with some classic Blizzard games (like Diablo II and Warcraft III).

Languages Supported:
* English
* Français
* Deutsch
* Español (Latinoamérica)
* Español (Europa)
* Português
* Italiano
* Polski
* Русский
* 한국어 (Korean)
* 繁體中文 (Traditional Chinese)
* 简体中文 (Simplified Chinese)
* 日本語
* ไทย

©2019 Blizzard Entertainment, Inc. All right reserved. iPhone and iPod touch are trademarks of Apple Inc. All other trademarks referenced herein are the properties of their respective owners.

What’s New

Version 2.4.1

Various bug fixes and improvements

Ratings and Reviews

4.3 out of 5
3.5K Ratings

3.5K Ratings

PrestonOhlay ,

Great security tool - free necessity

Works 99.9% of the time for me, keeps my stuff safe. I was hacked long ago when frozen throne dropped. Got it to prove I valued my items and I’m sure blizzard appreciated it, because I appreciated them giving me my things back. The one thing I cannot stand however.. when you login to bnet the authentication picture of the iPhone and the finger has the buttons flip flopped. So if your looking at the picture and not your phone. You will decline your request. Not sure why this hasn’t been addressed wish I could upload a photo to easily explain as well but here we are. Petty complaint I know but it still baffles me. If this gets fix I’d be inclined to give a 5 star. Great idea bliz, even the innovation of a simple click instead of the tedious 8 digit number of earlier stages.

Justice_ ,

The app works, but...

The app works as intended. However, every month or so, Blizzard has issues with their authentication servers for World of Warcraft. Players with an authenticator attached to their accounts are unable to login to either the Legion mobile app and/or their main World of Warcraft account. I do not know if this has affected Overwatch, Destiny 2, or Blizzard's other games. The issue is usually resolved within 12 hours, but it is frustrating to wait.

This app will prevent someone else from logging onto your account. It will not protect you from being unable to log on to your own account if Blizzard has internal authentication issues (again). The benefits outweigh the risks. Just be aware this app will occasionally backfire and prevent you from playing.

Rudafuda ,

Does the job well, but missing a key feature

Obviously, the authenticator does what it needs to.. Authenticates. But after sooo many years, blizzard had not developed a mobile app for messaging friends on the battle net client??? This would be such an easy feature to add since this is already linked to your account, but yet it hasn't been done. Riot did it YEARS ago and it got an amazing response. Blizzard needs to step it up, this project should take no longer than a week.


Blizzard Entertainment, Inc.
46.5 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese

Age Rating
Infrequent/Mild Alcohol, Tobacco, or Drug Use or References
Infrequent/Mild Cartoon or Fantasy Violence
Infrequent/Mild Horror/Fear Themes


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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