Three Device Security vs AuthGuard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Three Device Security
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With Three Device Security protection for your smartphone or tablet, your device is safeguarded against malware, phishing and online threats. Enjoy worry-free web-browsing knowing that Three Device Security Powered by Bitdefender is monitoring for threats that could harm your device.
AuthGuard
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.
- 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
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AuthGuard is a privacy-focused two-factor authentication (2FA) app designed to make account verification simple, secure, and manageable across devices. Secure Two-Factor Authentication Supports widely used two-factor authentication standards used by many online services. You can: • Add accounts by scanning QR codes • Enter account information manually • Generate OTP / TOTP verification codes offline All verification codes are generated locally on your device and do not require an internet connection. Widgets and Apple Watch Built for the Apple ecosystem to make verification faster and more convenient. • Home Screen widgets for quick access to your codes • Apple Watch support for viewing verification codes on your wrist • Quickly check time-sensitive codes without opening the app Privacy Protection Includes multiple local protections to help keep authentication data private. • Face ID / Touch ID authentication • Optional PIN lock • Privacy Blur to hide sensitive information in the app switcher preview These protections help reduce the risk of unauthorized access when your device is unlocked or shared. Backup and Restore Provides a structured process for managing authenticator backups. • Export encrypted backup files • Review backup details such as file name, export time, and account count before sharing • Restore accounts using a guided import process This workflow helps reduce mistakes when transferring authenticator data between devices. Device Migration Switching devices should not mean losing access to your accounts. Supports: • Encrypted backup export for manual migration • Optional iCloud sync between Apple devices • Clear backup information during restoration Uses industry-standard TOTP authentication and is compatible with services that support two-factor authentication. Whether you manage personal accounts or multiple services, it provides a simple and transparent way to manage verification codes. Optional in-app purchases are available to unlock premium features. Users can choose a subscription plan or a one-time purchase. Subscriptions renew automatically by default and can be canceled anytime in Account Settings. Privacy Policy: https://www.songqing202501.link/pp/6760102423/ Terms of Use: https://www.songqing202501.link/tou/6760102423/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Three Device Security | AuthGuard |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 68 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Hutchison 3G UK Ltd | 宇杰 辛 |
In-app purchases
Three Device Security
No in-app purchases
AuthGuard
- VIP Membership$9.997 Days
- VIP Membership$39.991 Year
- VIP Membership$59.99





