OneTap NetFilter - DNS Shield

"OneTap NetFilter" is a high-performance mobile firewall designed to shield your personal privacy, block intrusive online trackers, and enhance network responsiveness with a single tap.

※ Note: Experience full premium protection with a free 3-day trial right after install—no credit card required. Continue with an affordable monthly subscription or a one-time Lifetime License.

No complex Private DNS setup or device rooting required—enjoy a clean, fast, and secure network environment across all your apps and browsers.

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🛡️ KEY FEATURES
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1. One-Tap Instant Protection
Activate an on-device local security tunnel immediately with a single tap. No complex setup or networking knowledge required.

2. Comprehensive Privacy & Anti-Tracking Shield
Proactively intercepts data-mining trackers, telemetry scripts, and invasive analytics servers before they can monitor and transmit your device activity.

3. Proactive Threat & Phishing Defense
Safeguards your device by isolating phishing domains, scam portals, and malicious websites directly at the DNS level.

4. Smart DNS Response Cache Acceleration
Caches frequently resolved DNS queries directly in local device memory to reduce lookup latency, boost app responsiveness, and save mobile data.

5. Flexible Per-App Filtering
Customize network protection per app: filter all apps, protect selected apps only, or exclude specific apps from filtering.

6. Custom Blocklist & Allowlist Management
Take full control of your connection. Easily register custom blocked domains or allowed exceptions with optional personal notes.

7. In-Depth Query Analytics & App Insights
Monitor total queries, block rates, and cache hit metrics. Identify top blocked domains and trace domain requests by application (Android 10+).

8. Lightweight On-Device Engine
Built with high-efficiency Reverse Domain Trie and HashSet algorithms to evaluate hundreds of thousands of rules instantly with minimal CPU and battery impact.

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✨ MEMBERSHIP & PLANS (Monthly & Discounted Annual Subscriptions)
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To maintain continuous real-time threat database updates and high-performance filtering, OneTap NetFilter provides flexible premium options to fit your needs.

• 3-Day Free Trial (No Card Required): Try all core security features and unlimited filtering free for 3 days immediately upon installation.
• Monthly Subscription: Enjoy uninterrupted premium security and regular threat database updates with an affordable monthly plan.
• Best Value Annual Subscription (Recommended): Enjoy year-round premium protection at the most economical discounted rate compared to monthly billing.
• Full Access Benefits: Unlimited real-time tracker blocking, automated background rule updates, smart DNS caching, unlimited custom rules, and flexible per-app filtering controls.
• Easy Management & Restore: Manage or cancel subscriptions anytime via Google Play [Payments & subscriptions]. Your subscription can be seamlessly restored anytime on new or reset devices.

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🔒 VpnService API & Privacy Disclosure (Required)
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OneTap NetFilter uses Android's VpnService API solely to establish an on-device local loopback tunnel for local DNS filtering and caching.

• 100% On-Device Processing: All domain filtering and rule matching occur strictly on your local device without routing traffic through remote third-party servers.
• Zero Data Collection: We do not log, collect, or transmit your browsing history, traffic payloads, or DNS queries. We never sell or share user data.
• Safe Encrypted HTTPS: Operates strictly at the DNS level without decrypting or inspecting secure HTTPS traffic, keeping passwords and sensitive data completely safe.