# Secretsline vs Authenticator 2FA

The clearest difference is review sentiment: Secretsline at 100% against Authenticator 2FA's 23%. Secretsline also leads on in-app purchases (none vs 4) and iOS requirement (12.0 vs 15.0). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Authenticator 2FA sells 3 in-app purchases, starting at $4.99 per 7 days. Secretsline asks for nothing beyond the download.

Secretsline ships an update every 2 months, Authenticator 2FA every 3 months. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Secretsline | Authenticator 2FA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/secretsline/id1274968678/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **100.0% of reviews** | 23.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 32 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SELECTLINE CORP.](https://appshunter.io/developer/1494692072) | [泽雄 陈](https://appshunter.io/developer/1792614874) |

## What reviewers say

### Secretsline

[App page](https://appshunter.io/ios/app/secretsline/id1274968678)

Access your favorite websites and communicate securely with a personal, unlimited VPN. Enjoy anonymity and protection with no logs on servers and DNS leak protection. Connect to servers worldwide and get a money-back guarantee.

**Highlights:** Unlimited VPN access, No logs on servers, DNS leak protection, Global server locations, Secure WiFi connection, 100% Money-Back Guarantee

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator 2FA

[App page](https://appshunter.io/ios/app/authenticator-2fa-mfatotp/id6744550449)

Secure your online accounts with this all-in-one security tool. It offers two-factor authentication, a password manager with local encryption, and a strong password generator. Enjoy peace of mind with encrypted data storage and optional iCloud sync.

**Highlights:** Two-Factor Authentication (TOTP), Password Manager with local encryption, Strong Password Generator, Security Tips, Encrypted Data Storage, Optional iCloud Sync & Backup

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Authenticator - Weekly | $4.99 | per 7 days |
| Authenticator - Yearly | $29.99 | per year |
| Authenticator - Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Secretsline free?

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

### Is Authenticator 2FA free?

Authenticator 2FA is free to download, with in-app purchases available.

### Do Secretsline or Authenticator 2FA have ads?

Neither Secretsline nor Authenticator 2FA shows ads.

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

Secretsline ships an update every 2 months, and Authenticator 2FA every 3 months. Most recently, Secretsline was updated on June 1, 2026 and Authenticator 2FA on September 22, 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.*