Lunar Defense Mobile Security
Privacy & Threat Detection
About
This app helps you understand your device's security and privacy by performing on-device analysis. It checks device integrity, network environment, and suspicious links, providing clear explanations for each finding. Your data remains on your phone.
What's New in Lunar Defense Mobile Security
1.2
July 21, 2026
QR Code Checker The Check a Link tab now scans QR codes too. Point your camera at a QR code and Lunar Defense analyzes the destination URL for signs of phishing before you ever visit it, using the same on-device Foundation Model analysis that powers link checking. Paste a link or scan a code, either way you see what's waiting behind it first. As always, everything runs on your device. Thanks for using Lunar Defense.
MoreSubscription plans
Pro Monthly
Automatic scans and instant threat alerts.
Developer apps
FAQ
What is Lunar Defense?
Lunar Defense is a mobile application designed to help users understand their device's security and privacy. It performs on-device analysis to check for potential tampering, network interception, and suspicious links, providing clear, understandable reports.
Does Lunar Defense have ads?
No, Lunar Defense is ad-free. The application focuses on providing a secure and private user experience without interruptions from advertisements.
How much does Lunar Defense cost?
Lunar Defense is free to download and use. It offers an optional 'Pro Monthly' subscription for $4.99/month and 'Pro Yearly' for $49.99/year, which likely unlocks additional features or advanced capabilities.
What devices support Lunar Defense?
Lunar Defense is supported on iPhones and iPads. It requires a device that supports Apple Intelligence with Apple Intelligence turned on for its link checking feature.
How often is Lunar Defense updated?
The latest version of Lunar Defense is 1.1.1, and it was last updated on July 9, 2026. This indicates regular updates to maintain security and functionality.
Is Lunar Defense safe for children?
Lunar Defense has an age rating of 4+, making it suitable for a wide range of users. Its focus on security and privacy is beneficial for all age groups.
What are the subscription options for Lunar Defense?
Lunar Defense offers a subscription model that includes 'Pro Monthly' at $4.99 and 'Pro Yearly' at $49.99. Subscriptions auto-renew unless canceled at least 24 hours before the current period ends.
What does Lunar Defense check for?
Lunar Defense checks for device integrity (like jailbreaks), network security indicators (proxies, VPN issues), and suspicious links. Each check provides a clear explanation of what was found and its implications.