# Microsoft Authenticator vs Authenticator 2FA by KeepSolid

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.

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

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.

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.

## The numbers

| Metric | Microsoft Authenticator | Authenticator 2FA by KeepSolid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (694K ratings)](https://appshunter.io/ios/app/microsoft-authenticator/id983156458/reviews)** | [3.9 (11 ratings)](https://appshunter.io/ios/app/authenticator-2fa-by-keepsolid/id1660779042/reviews) |
| Number of ratings | **694K** | 11 |
| Positive reviews | 11.6% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#6** | — |
| Size | 223 MB | 45 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad, Vision Pro | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [KeepSolid Inc.](https://appshunter.io/developer/674978021) |

## What reviewers say

### Microsoft Authenticator

[App page](https://appshunter.io/ios/app/microsoft-authenticator/id983156458)

**Currently charting:** #6 Top Free · Productivity, #23 Top Free (US App Store)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Seamless authentication
- 🔒 Secure login process
- 👍 Convenient passwordless sign-in
- 🚀 Smooth app performance

**What reviewers complain about**

- 🐛 Broken Apple Watch functionality
- 🐛 Backup and restore issues
- 🐛 Confusing login flow
- 🐛 Accounts disappearing after phone change

**Reported bugs**

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

**Requested features**

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


### Authenticator 2FA by KeepSolid

[App page](https://appshunter.io/ios/app/authenticator-2fa-by-keepsolid/id1660779042)

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:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*