RailNet Tester

Continuous network diagnostics designed for high-speed travel.
Whether you're on a bullet train at 350 km/h, in a hotel, or in the back seat of a car —
RailNet Tester reveals what your connection is really doing, continuously, without lying to you.

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WHY RAILNET TESTER?
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A single speed test tells you one number for one second.
RailNet Tester records your network quality every 1.5 seconds across your entire journey —
so you see every spike, every drop, every weak spot along the way.

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CORE FEATURES
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📡 HONEST NETWORK DIAGNOSTICS
• TCP connection test (not ICMP) — real connectivity you can trust
• Packet loss, latency (min/avg/max), jitter — live and accurate
• DNS Lookup, Port Scanner, Network Info at your fingertips
• Timeout & cancel protection — poor networks won't freeze the app

🚄 HIGH-SPEED TRACKING
• Auto-sample every 1.5 seconds while moving
• Syncs network latency + GPS speed + exact coordinates in every sample
• GPS drop won't stop network data collection

🛰️ TRANSPARENT GPS STATUS
• Live tricolor indicator: Locked / Searching / Disconnected
• You always know if your signal is real or lost

📊 ONE-TAP REPORT GRAPHIC
• Generates a 1080×1920 shareable journey report
• Dual curves (latency + speed), key stats, timeline
• Perfect for sharing proof of network quality with your ISP or team

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PRIVACY-FIRST BY DESIGN
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• No account. No tracking. No ads.
• All data stays on your device — never uploaded
• No third-party analytics SDKs whatsoever

Data doesn't lie. And neither does RailNet Tester.
Built for anyone who needs truthful network data in the real world.