# 2FA Authenticator Secure vs Otpkey Authenticator

The clearest difference is rating: 2FA Authenticator Secure at 4.4 against Otpkey Authenticator's 1.0. 2FA Authenticator Secure also leads on ratings volume (172 vs 2) and review sentiment (65% vs 50%). Otpkey Authenticator's advantage is device support (5 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 1.0. That said, the two scores are not equally well evidenced: 2FA Authenticator Secure has 172 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 65% of 2FA Authenticator Secure's written reviews are positive against 50% of Otpkey Authenticator's.

2FA Authenticator Secure ships an update monthly, Otpkey Authenticator every 2 months. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 2FA Authenticator Secure | Otpkey Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (172 ratings)](https://appshunter.io/ios/app/2fa-authenticator-secure/id1604264315/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/otpkey-authenticator/id6444123920/reviews) |
| Number of ratings | **172** | 2 |
| Positive reviews | **65.4% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 38 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [25 Degrees Apps LLC](https://appshunter.io/developer/1574163403) | [Certchip Corp](https://appshunter.io/developer/1652474819) |

## 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


### Otpkey Authenticator

[App page](https://appshunter.io/ios/app/otpkey-authenticator/id6444123920)

Enhance your online security with multi-factor authentication. This app generates one-time passwords for various services, even offline, and supports standard TOTP/HOTP protocols. It offers features like QR code scanning, auto-hiding codes, and biometric authentication.

**Highlights:** Multi-factor authentication, Offline OTP generation, QR code scanning and export, Biometric authentication support, Clipboard code copying, Widget and Watch App support

**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 Otpkey Authenticator free?

Otpkey Authenticator is free to download, with no in-app purchases.

### Which has better reviews, 2FA Authenticator Secure or Otpkey Authenticator?

2FA Authenticator Secure is rated higher. 2FA Authenticator Secure averages 4.4 out of 5 from 172 ratings, while Otpkey Authenticator averages 1.0 from 2 ratings.

### Do 2FA Authenticator Secure or Otpkey Authenticator have ads?

Neither 2FA Authenticator Secure nor Otpkey Authenticator shows ads.

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

2FA Authenticator Secure ships an update monthly, and Otpkey Authenticator every 2 months. Most recently, 2FA Authenticator Secure was updated on September 21, 2026 and Otpkey Authenticator on September 14, 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.*