Microsoft Authenticator
Microsoft Corporation
Microsoft Authenticator is a free Android app from Microsoft Corporation that generates verification codes and approves sign-ins for your accounts. It contains no ads and no in-app purchases.
- Version
- 6.2609.6214
- Updated
- Oct 26, 2026
- Requires Android
- 8.0+
- Size
- —
- Installs
- 245M+
- Google Play rating
- ★ 4.6
- Price
- Free
- Developer
- Microsoft Corporation
Overview
AI-assisted overview based on verified store facts. Not a hands-on review.
What is Microsoft Authenticator?
Microsoft Authenticator is a security app from Microsoft Corporation for Android phones. It is listed in the Business category on Google Play and is designed to help people confirm that it really is them signing in to an account.
The app works as a second step in sign-in. Instead of relying only on a password, you approve a sign-in request on your phone or enter a one-time code, which makes stolen passwords much less useful to an attacker.
How does Microsoft Authenticator work?
When an account is linked to the app, it can show time-limited codes or send push prompts. A prompt usually shows where and when a sign-in is being attempted, so you can approve it or deny it.
Because codes and approvals happen on the device you own, the app is most useful when your phone is with you. Keep in mind that losing the phone without a backup method can lock you out of linked accounts, so set up recovery options ahead of time.
What's new in version 6.2609.6214?
The current version is 6.2609.6214, and the Google Play listing was last updated on 2026-09-21. Updates like this usually bring stability fixes and security improvements, but check the Google Play listing for the full set of changes in this release.
Requirements, size and price
Microsoft Authenticator requires Android 8.0 or later. It is free to download from Google Play, contains no ads, and offers no in-app purchases.
The app has been installed more than 244,608,210 times and holds a 4.6 rating from 2,839,686 ratings on Google Play. Check the listing on your device for the current download size, since it can change between versions.
Pros and cons
On the plus side, the app is free, ad-free and adds a meaningful layer of protection to important accounts. Its large install base and high rating suggest it is widely used and well regarded.
On the downside, it depends on your phone. Devices running Android 7 or older cannot install it, and if you change or lose your phone you must have recovery methods ready. Setting it up for several accounts also takes some effort at first.
Who is Microsoft Authenticator best for?
The app suits anyone who wants stronger sign-in security, especially people who use work or school accounts and online services that offer two-step verification. It is a practical choice for users who want a free, no-ads option from a major developer.
Key features
- Two-step verification for supported accounts
- Approve or deny sign-in requests from your phone
- Time-limited one-time verification codes
- Free to download with no ads
- No in-app purchases
- Works on Android 8.0 and later
Version history
- v6.2609.6214Sep 21, 2026
FAQ
Is Microsoft Authenticator free?
Yes. The app is free to download from Google Play, contains no ads, and has no in-app purchases.
What Android version does Microsoft Authenticator need?
It requires Android 8.0 or later. Phones on older versions cannot install the current release.
Does Microsoft Authenticator work offline?
Verification codes can be generated on the phone, but approving push sign-in requests generally needs a network connection. Check the app's current behavior before relying on it in low-connectivity situations.
Is Microsoft Authenticator safe to use?
It is made by Microsoft Corporation and is widely installed, with more than 244,608,210 installs and a 4.6 rating on Google Play. Download it only from Google Play to avoid counterfeit copies.