NightGuard

About NightGuard

NightGuard helps you reduce distractions by limiting access to selected apps during chosen hours.
It is designed for calm, intentional use — without accounts, tracking, or social features.

What NightGuard does

• Lets you select apps to restrict during scheduled periods
• Uses a full-screen lock overlay to prevent access
• Supports Do Not Disturb automation
• Works fully offline with on-device enforcement
• Includes optional Commitment Mode for stronger self-control

Accessibility Service usage
• Uses Android’s AccessibilityService only to enforce app restrictions
• Detects when a restricted app is opened
• Displays a full-screen lock overlay during active restriction periods
• Does not collect or share personal data
• Does not record audio, screen content, or keystrokes
• Does not track user behavior
• Does not change system settings without user consent
• Does not prevent app uninstallation or device reset
• Permission is requested only after a clear in-app explanation
• Can be disabled at any time from system settings
• Required for NightGuard to function as intended

Designed for clarity and safety

• No accounts or sign-up required
• No data collection or analytics
• No advertising
• No cloud sync


Commitment Mode (optional) Commitment Mode allows you to voluntarily lock selected restrictions for a defined period.
Clear warnings explain platform limitations (such as uninstall or factory reset exceptions).
NightGuard is a digital wellbeing tool, not a medical or health service.
It does not provide medical advice or treatment.
All settings and enforcement remain on your device