# 2FA Authenticator Secure vs Authenticator 2FA by KeepSolid

The clearest difference is rating: 2FA Authenticator Secure at 4.4 against Authenticator 2FA by KeepSolid's 3.9. 2FA Authenticator Secure also leads on ratings volume (172 vs 11) and monetization model (free vs ad-supported). Authenticator 2FA by KeepSolid's advantage is review sentiment (75% vs 65%) and device support (4 vs 2). 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.

2FA Authenticator Secure holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: 2FA Authenticator Secure has 172 ratings behind it against 11, so its average is the more settled of the two. Written reviews complicate that: 65% of 2FA Authenticator Secure'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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 21, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator Secure | Authenticator 2FA by KeepSolid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (172 ratings)](https://appshunter.io/ios/app/2fa-authenticator-secure/id1604264315/reviews)** | [3.9 (11 ratings)](https://appshunter.io/ios/app/authenticator-2fa-by-keepsolid/id1660779042/reviews) |
| Number of ratings | **172** | 11 |
| Positive reviews | 65.4% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 38 MB | 45 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [25 Degrees Apps LLC](https://appshunter.io/developer/1574163403) | [KeepSolid Inc.](https://appshunter.io/developer/674978021) |

## What reviewers say

### 2FA Authenticator Secure

[App page](https://appshunter.io/ios/app/2fa-authenticator-secure/id1604264315)

Enhance your online security with this free and private two-factor authentication app. It adds an extra layer of protection to your accounts using unique time-based passwords and offers a secure vault for your files. Synchronization ensures your security is consistent across all your devices.

**Highlights:** Secure and private authentication, Synchronization across devices, Supports all online accounts, No passwords stored, Secure file vault

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 2FA Authenticator Secure free?

2FA Authenticator Secure 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, 2FA Authenticator Secure or Authenticator 2FA by KeepSolid?

2FA Authenticator Secure is rated higher. 2FA Authenticator Secure averages 4.4 out of 5 from 172 ratings, while Authenticator 2FA by KeepSolid averages 3.9 from 11 ratings.

### Do 2FA Authenticator Secure or Authenticator 2FA by KeepSolid have ads?

Neither 2FA Authenticator Secure nor Authenticator 2FA by KeepSolid shows ads.

### Which is updated more often, 2FA Authenticator Secure or Authenticator 2FA by KeepSolid?

2FA Authenticator Secure ships an update monthly, and Authenticator 2FA by KeepSolid monthly. Most recently, 2FA Authenticator Secure was updated on September 21, 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.*