LeakGuard - Password Security

Breach Checker & Generator

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Instantly check if your passwords appeared in known data breaches without ever sending your password anywhere. LeakGuard uses k-anonymity technology to check your passwords against over 800 million known breach records. Only the first 5 characters of a scrambled hash ever leave your device. Your actual password stays on your iPhone. Always. HOW IT WORKS 1. Enter any password 2. LeakGuard computes a partial fingerprint on-device 3. Only 5 characters of that fingerprint are sent to the breach database 4. Your result comes back in seconds — safe or compromised Your password is never transmitted. Not even close. BREACH CHECKER • Check any password against 800M+ known breach records • Instant results in under 3 seconds • Full offline privacy — nothing sensitive leaves your device • Free: 5 checks per day PASSWORD GENERATOR • Cryptographically secure generation via SecRandomCopyBytes • Custom length (8–64 characters), symbols, numbers, mixed case • Presets: Standard, Memorable, Wi-Fi, PIN, Apple ID • Excludes ambiguous characters (0, O, l, 1, I) for readability STRENGTH METER • Real-time scoring from 0–100 • Detects sequential patterns, repeated characters, and common passwords • Checklist: see exactly what makes a password weak or strong CHECK HISTORY • Stores only a cryptographic hash — never plaintext • See which passwords were safe vs. compromised over time • Fully local: no cloud sync, no server storage COMING SOON: EMAIL BREACH MONITORING • Check if your email addresses appeared in known data breaches • Get notified when new breaches are discovered • Sign up inside the app to be notified at launch PRIVACY FIRST LeakGuard was built around one principle: your secrets never leave your device. We use the industry-standard k-anonymity model from Have I Been Pwned — the same technology trusted by millions worldwide and built into Apple's Password Manager. • No account required • No data stored on any server • No third-party analytics with personal data • An open privacy model you can verify yourself LEAKGUARD PRO Upgrade to Pro and remove all limits: • Unlimited password checks per day • Advanced generator with all presets • Full history with strength scores • Home screen and Lock Screen widgets • Priority access to Email Breach Monitoring at launch Privacy Policy: https://bejewled-hell-727.notion.site/Privacy-Policy-LeakGuard-3bc397b59a3d801eafc7d5352ff6b369 End User License Agreement (EULA): https://bejewled-hell-727.notion.site/End-User-License-Agreement-EULA-LeakGuard-APP-3bc397b59a3d8095b385c0108d9d03c5

Ratings & Reviews

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• Check Email & Password in One Place — The Check tab now includes a dedicated Email Breach Checker. Switch between password and email checking with a single tap. • Smarter Notifications — New in-app Notification Settings let you choose which alerts you receive. Set Quiet Hours so breach alerts only arrive when it suits you. Notifications now include quick action buttons (View Details, Generate Safe Password, Dismiss). • Better Deep Scan Experience — Deep Scan and Stealer Logs now clearly indicate when a premium feature is coming soon, rather than showing a confusing error. • Bug Fixes & Stability — Fixed a crash when opening support emails on devices without the Mail app. Email addresses are now copied to your clipboard as a fallback. Various stability improvements across the app.

Version 1.0.1

The developer, Yousef Abu Sallamah, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Location
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
Yousef Abu Sallamah
Size
74.7 MB
Category
Utilities
Compatibility
Requires iOS 26 or later.
  • iPhone
    Requires iOS 26 or later.
  • iPad
    Requires iPadOS 26 or later.
  • Mac
    Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.0 or later.
  • Apple Watch
    Requires watchOS 26 or later.
Languages
English and Arabic
Age Rating
4+
In-App Purchases
Yes
Copyright
©2026 Yad3V Inc.
  • Developer Website
  • Privacy Policy

    • More by Yousef Abu Sallamah

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