# 2FA Authenticator Secure vs Auth

The clearest difference is in-app purchases: 2FA Authenticator Secure at none against Auth's 2. 2FA Authenticator Secure also leads on ads (none vs shown) and rating (4.4 vs 4.2). Auth's advantage is review sentiment (87% vs 65%). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Auth sells 2 in-app purchases, starting at $3.99 per 7 days. 2FA Authenticator Secure asks for nothing beyond the download.

2FA Authenticator Secure holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 172 and 365 respectively. Written reviews complicate that: 65% of 2FA Authenticator Secure's written reviews are positive against 87% of Auth's, so the app with the better star average is not the one people write more warmly about.

2FA Authenticator Secure ships an update monthly, Auth every 2 weeks. Both last shipped on September 30, 2026.

## The numbers

| Metric | 2FA Authenticator Secure | Auth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (172 ratings)](https://appshunter.io/ios/app/2fa-authenticator-secure/id1604264315/reviews)** | [4.2 (365 ratings)](https://appshunter.io/ios/app/auth-authenticator-app/id6470453559/reviews) |
| Number of ratings | 172 | **365** |
| Positive reviews | 65.4% of reviews | **87.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 10 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [25 Degrees Apps LLC](https://appshunter.io/developer/1574163403) | [婷 兰](https://appshunter.io/developer/1666722179) |

## 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


### Auth

[App page](https://appshunter.io/ios/app/auth-authenticator-app/id6470453559)

Enhance your online security with this app that generates time-based one-time passwords. Protect your accounts from unauthorized access by enabling two-factor authentication and scanning QR codes. Secure your digital life with robust encryption and convenient backup options.

**Highlights:** Generates one-time tokens, Two-factor authentication, Encrypted vault, Password/biometric unlock, Supports HOTP and TOTP, Automatic iCloud backups, Multiple entry methods

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium | $3.99 | per 7 days |
| Yearly premium | $49.99 | per year |

**What reviewers like**

- 🔒 Robust security features
- 👍 User-friendly interface
- 💡 Convenient multi-device sync
- 🚀 Reliable performance
- 🔒 Secure backup and recovery options

**What reviewers complain about**

- 🐛 Frequent ads disrupting usage
- 💰 Paid premium version required for ad-free experience

**Reported bugs**

- Ads interfering with account setup
- Occasional crashes or freezes

**Requested features**

- Dark mode option
- Improved free tier with fewer ads


## Frequently asked questions

### Is 2FA Authenticator Secure free?

2FA Authenticator Secure is free to download, with no in-app purchases.

### Is Auth free?

Auth is free to download, with in-app purchases available.

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

2FA Authenticator Secure is rated higher. 2FA Authenticator Secure averages 4.4 out of 5 from 172 ratings, while Auth averages 4.2 from 365 ratings.

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

Auth shows ads; 2FA Authenticator Secure does not.

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

2FA Authenticator Secure ships an update monthly, and Auth every 2 weeks. Most recently, 2FA Authenticator Secure was updated on September 30, 2026 and Auth on September 30, 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.*