# Three Device Security vs AuthGuard

The clearest difference is in-app purchases: Three Device Security at none against AuthGuard's 3. Three Device Security also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price and ads there is nothing between them.

Both are free to download. AuthGuard sells 3 in-app purchases, starting at $9.99 per 7 days. Three Device Security asks for nothing beyond the download.

## The numbers

| Metric | Three Device Security | AuthGuard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authguard-2fa-and-otp-codes/id6760102423/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 68 MB | 49 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hutchison 3G UK Ltd](https://appshunter.io/developer/393530269) | [宇杰 辛](https://appshunter.io/developer/1775198034) |

## What reviewers say

### Three Device Security

[App page](https://appshunter.io/ios/app/three-device-security/id6737277850)

**Features:** Vision Pro support

**In-app purchases:** none


### AuthGuard

[App page](https://appshunter.io/ios/app/authguard-2fa-and-otp-codes/id6760102423)

This app provides secure two-factor authentication (2FA) by generating time-based verification codes offline. It offers features like encrypted backups, iCloud sync, and Apple Watch integration for convenient account access and management.

**Highlights:** Secure two-factor authentication, Offline OTP/TOTP code generation, Encrypted backup and restore, iCloud sync between Apple devices, Apple Watch support, Home Screen widgets, Face ID/Touch ID protection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $59.99 | one-time |


## Frequently asked questions

### Is Three Device Security free?

Three Device Security is free to download, with no in-app purchases.

### Is AuthGuard free?

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

### Do Three Device Security or AuthGuard have ads?

Neither Three Device Security nor AuthGuard shows ads.

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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.*