# Authenticator App vs SecureKey

The clearest difference is in-app purchases: Authenticator App at none against SecureKey's 1. Authenticator App also leads on device support (3 vs 1) and iOS requirement (14.1 vs 16.0). SecureKey's advantage is update cadence (every 2 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. SecureKey sells 1 in-app purchase, starting at $2.99 per 7 days. Authenticator App asks for nothing beyond the download.

Authenticator App ships an update every 2 months, SecureKey every 2 weeks. The most recent releases landed on August 4, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Authenticator App | SecureKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-privacy/id6736870186/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 24 MB | 20 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MTPHoldings LLC](https://appshunter.io/developer/1130992137) | [Nhien Tran Thanh](https://appshunter.io/developer/1778200876) |

## What reviewers say

### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-privacy/id6736870186)

Enhance your digital security with this multi-factor authentication app. It provides an extra layer of protection for your online accounts beyond just passwords, safeguarding sensitive data from unauthorized access. Easily integrate with popular services and generate dynamic, time-sensitive passcodes.

**Highlights:** Seamless MFA & 2FA integration, QR code scanning for setup, Time-based and HMAC one-time passwords, Biometric security (Face ID/Touch ID), End-to-end encrypted iCloud backup/sync, Export/import one-time passwords, Cross-device password sending

**Features:** macOS Compatibility

**In-app purchases:** none


### SecureKey

[App page](https://appshunter.io/ios/app/securekey-2fa-auth/id6759246064)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Offers | $2.99 | per 7 days |


## Frequently asked questions

### Is Authenticator App free?

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

### Is SecureKey free?

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

### Do Authenticator App or SecureKey have ads?

Both Authenticator App and SecureKey show ads.

### Which is updated more often, Authenticator App or SecureKey?

Authenticator App ships an update every 2 months, and SecureKey every 2 weeks. Most recently, Authenticator App was updated on August 4, 2026 and SecureKey on September 9, 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.*