Comparison

Microsoft Authenticator vs Authenticator 2FA by KeepSolid

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Microsoft Authenticator

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

Highlights
  • Multi-factor authentication (MFA)
  • Passwordless sign-in
  • Password autofill
  • Support for non-Microsoft accounts
  • Account management for work/school
  • Cert-based authentication
Read full description

Use Microsoft Authenticator for easy, secure sign-ins for all your online accounts using multi-factor authentication, passwordless, or password autofill. You also have additional account management options for your Microsoft personal, work or school accounts. Getting started with multi-factor authentication Multi factor authentication (MFA)provides a second layer of security. When enabled, during login after entering your password, you’ll be asked for an additional way to prove it’s really you. Either approve the notification sent to the Microsoft Authenticator, or enter the one-time password (OTP) generated by the app. The OTP codes have a 30 second timer counting down. This timer is so you never have to use the same time-based one-time password (TOTP) twice and you don’t have to remember the number. The OTP doesn’t require you to be connected to a network, and it won’t drain your battery. You can add multiple accounts to your app, including non-Microsoft accounts like Facebook, Amazon, Dropbox, Google, LinkedIn, GitHub, and more. Getting started with passwordless Use your phone, not your password, to log into your Microsoft account. Just enter your username, then approve the notification sent to your phone. Your fingerprint, face ID, or PIN will provide a second layer of security in this two-step verification process. After you’ve signed in with two factor authentication (2FA), you’ll have access to all your Microsoft products and services, such as Outlook, OneDrive, Office, and more. Getting started with autofill Microsoft Authenticator app can also autofill passwords for you. Sign-in on the Passwords tab inside the Authenticator app with your personal Microsoft account to start syncing passwords, including the passwords saved in Microsoft Edge. Make Microsoft Authenticator the default autofill provider and start autofilling passwords on apps and sites you visit on your mobile. Your passwords are protected with multi-factor authentication in the app. You will need to prove yourself with your fingerprint, face ID, or PIN to access and autofill passwords on your mobile. You can also import passwords from Google Chrome and other password managers. Microsoft personal, work or school accounts Sometimes your work or school might ask you to install the Microsoft Authenticator when accessing certain organization resources. You will need to register your device to your organization through the app and add your work or school account. Microsoft Authenticator supports cert-based authentication by issuing a certificate on your device. This will let your organization know that the sign-in request is coming from a trusted device and help you seamlessly and securely access additional Microsoft apps and services without needing to log into each. Microsoft Authenticator may request the following optional permissions, which require your consent. You can continue to use Microsoft Authenticator without granting these permissions. However, some features may be limited or unavailable. For more information, please see below: - Face ID: To enable app lock and help protect your accounts - Camera: To scan QR codes when adding accounts to Microsoft Authenticator.

About

Authenticator 2FA by KeepSolid

This app generates time-based one-time passwords to add an extra layer of security for your online accounts. It supports multi-factor authentication for services like Facebook, Google, and Amazon, protecting your data from unauthorized access. The app offers multi-device support and a user-friendly interface.

Highlights
  • Two-factor authentication (TFA/2FA)
  • Time-based one-time passwords (TOTP)
  • Multi-device support
  • Secure code generation
  • User-friendly interface
  • Account aggregation
Features
Read full description

Authenticator by KeepSolid is a utility app used with Facebook, Google, Amazon, and other apps to create an extra layer of two-factor (TFA or 2FA) protection when accessing your accounts. With this code generator, you can add a second validation challenge in addition to logins and passwords and protect your data from any unauthorized access. Multi-factor authentication with time-based one-time passwords (TOTP) guarantees access to your account for only verified parties whatever service you use, Facebook, Google, GitHub, Sony PlayStation, or Steam. This mobile app generates time-based one-time passwords that are more secure than event-based ones and widely used in creating security keys for multi-factor or two-factor authentication. WHAT IS TWO-FACTOR AUTHENTICATION (TFA) Two-factor authentication is a security method that requires two separate forms of identification to access your account: something you know (your password) and something you have (a special code from the TFA app on your trusted device). For instance, even if hackers get your password they will not be able to get access to your Binance or Amazon account as they will not have the secret code from Authenticator Mobile App. HOW THE AUTHENTICATOR APP WORKS When you activate the TFA in any service, you can add KeepSolid Authenticator as a second authentication factor. For example, after you add your Instagram or Facebook account to the Authenticator app, it will generate a time-based one-time password that you can use to confirm that it's you logging in to a website or service. BENEFITS OF MULTI-FACTOR AUTHENTICATION AND AUTHENTICATOR APP We use a myriad of online services every day: Instagram, Facebook, Amazon, Binance, etc. and each of them contains sensitive information that we need to protect. If you don’t want to become a victim of identity theft or data leakage, you need a verified authenticator app. Multi-device support. If you decide to use another device for two-factor authentication you don’t need to transfer each separate account manually. You will be able to create an archive file which you can save wherever you want and import your items on a new device. Secure 2FA protection. Using the verified KeepSolid Authenticator app to generate time-based one-time passwords is more secure than text messaging or email. The primary reason is that it's more difficult for a third party to gain physical access to your device and generate a code without you knowing about it. User-friendly navigation and interface. The Authenticator app by KeepSolid was designed with all users in mind. With our app, you don’t need special technical knowledge to activate the two-factor authentication (TFA) or use the time-based one-time passwords on any service you use. All the code generator interface elements are intuitive. All accounts in one place. With our TOTP code generator, you can link many accounts with TFA enabled and you will don’t need to register new emails to use Multi-factor authentication or TFA on new accounts. All your time-based one-time passwords will be kept in one place. The KeepSolid Authenticator app will provide you with an extra layer of security for your Microsoft Windows, Apple, Sony, or any other accounts. With multi-factor authentication and time-based one-time passwords, you don’t need to rely on a single password. With the rising number of identity thefts and cyber attacks in 2022, you have every reason to look for better ways to stay safe on the web. And The KeepSolid Authenticator App is the solution.

Screenshots

Microsoft Authenticator4 screens
Authenticator 2FA by KeepSolid4 screens

Verdict

The call

The clearest difference is review sentiment: Authenticator 2FA by KeepSolid at 75% against Microsoft Authenticator's 12%. Authenticator 2FA by KeepSolid also leads on iOS requirement (14.0 vs 17.0). Microsoft Authenticator's advantage is rating (4.7 vs 3.9) and ratings volume (694K vs 11). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Microsoft Authenticator holds the better App Store score, 4.7 against 3.9. That said, the two scores are not equally well evidenced: Microsoft Authenticator has 694K ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 12% of Microsoft Authenticator's written reviews are positive against 75% of Authenticator 2FA by KeepSolid's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Microsoft Authenticator ships an update every 2 weeks, Authenticator 2FA by KeepSolid monthly. The most recent releases landed on September 24, 2026 and August 18, 2026 respectively.

Scorecard6 real differences · 5 level
Microsoft Authenticator versus Authenticator 2FA by KeepSolid: the parameters behind the verdict, then further details
ParameterMicrosoft AuthenticatorAuthenticator 2FA by KeepSolid
PriceFreeFree
Rating4.7 (694K ratings) — better3.9 (11 ratings)
Positive reviews11.6% of reviews75.0% of reviews — better
Number of ratings694K — better11
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterAd-supported
Best chart rank#6 — better—
DevicesiPhone, iPad, Vision ProiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.014.0 — better
Further details — not scored
Size223 MB45 MB
Age rating4+4+
DeveloperMicrosoft CorporationKeepSolid Inc.

Customer experience

Microsoft Authenticator

All ratings693,830 ratings
Positive93.0%
Neutral1.6%
Negative5.4%
Written reviews4,137 reviews
Positive11.6%
Neutral4.2%
Negative84.2%

Authenticator 2FA by KeepSolid

All ratings11 ratings
Positive72.7%
Neutral0.0%
Negative27.3%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Bugs and requests

Microsoft Authenticator

Reported bugs

3 issues
  • Authenticator app getting locked and requiring Touch ID
  • Notification failures and authentication issues
  • Accounts not syncing properly between devices

Requested features

4 requests
  • Add search and sorting for accounts
  • Improve Apple Watch integration
  • Provide better backup and restore options
  • Streamline login process

Authenticator 2FA by KeepSolid

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Microsoft Authenticator

No in-app purchases

None

Authenticator 2FA by KeepSolid

No in-app purchases

Questions

Is Microsoft Authenticator free?
Microsoft Authenticator is free to download, with no in-app purchases.
Is Authenticator 2FA by KeepSolid free?
Authenticator 2FA by KeepSolid is free to download, with no in-app purchases.
Which has better reviews, Microsoft Authenticator or Authenticator 2FA by KeepSolid?
Microsoft Authenticator is rated higher. Microsoft Authenticator averages 4.7 out of 5 from 694K ratings, while Authenticator 2FA by KeepSolid averages 3.9 from 11 ratings.
Do Microsoft Authenticator or Authenticator 2FA by KeepSolid have ads?
Neither Microsoft Authenticator nor Authenticator 2FA by KeepSolid shows ads.
Which is updated more often, Microsoft Authenticator or Authenticator 2FA by KeepSolid?
Microsoft Authenticator ships an update every 2 weeks, and Authenticator 2FA by KeepSolid monthly. Most recently, Microsoft Authenticator was updated on September 24, 2026 and Authenticator 2FA by KeepSolid on August 18, 2026.

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