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KyuubiMask - Privacy First 1.7.12

Privacy-focused notification masking for screen sharing and presentations

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About KyuubiMask - Privacy First

KyuubiMask is designed to keep your notification content away from prying eyes. It replaces notification text as quickly as possible, making it much harder for others to read what you received--even if they're looking right at your screen. Notification content is never displayed or saved by this app.

KyuubiMask is a privacy-first notification masking tool that protects your sensitive information during screen sharing, presentations, or when your screen is visible to others.

PRIVACY FIRST
o No internet permission - works completely offline
o No data collection or storage
o No tracking, analytics, or ads
o Notification content is never logged or saved
o Open source with Apache 2.0 license

? FEATURES
o Masks notifications from any app you choose with generic text
o Tapping a masked notification opens the original app directly, without revealing any content
o Built-in presets for Slack, Discord, WhatsApp, and LINE
o Per-app toggle to choose which apps to mask
o Quick Settings tile for one-tap masking toggle
o Simple on/off toggle to enable or disable the service
o Works in the background
o Minimal permissions required
o Lightweight and efficient

SUPPORTED APPS
KyuubiMask works with any installed app -- select additional targets via the "Add custom apps..." button in Settings. Slack, Discord, WhatsApp, and LINE are available as built-in presets.

PERFECT FOR
o Screen sharing during video calls
o Live presentations and demos
o Recording tutorials or videos
o Working in public spaces
o Protecting your privacy

HOW IT WORKS
When enabled, KyuubiMask replaces notification content from supported apps with generic text like "New notification", hiding sensitive information while still allowing you to see that you received a notification.

WANT TO CHECK A NOTIFICATION LATER?
This app never saves notification content. If you want to review what you received, on supported devices (Android 11+), you can use Android's built-in Notification History if available and enabled (Settings -> Notifications -> Notification History).

OPEN SOURCE
All code is available on GitHub. No hidden functionality, complete transparency.

License: Apache-2.0
Release info New Release on Apr 10, 2026
Release notes • Notification masking service now recovers automatically when it gets stuck, without requiring a device reboot
Listing dataF-Droid

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