The science behind TrueSignal

How TrueSignal
actually works

Signal bars measure radio strength. TrueSignal measures something far more useful — whether your connection actually works right now.

01

The Problem

Signal bars don't tell you what you need to know

Your phone shows four bars of WiFi or 5G, yet your messages won't send, your calls drop, and pages won't load. This is one of the most common and frustrating experiences with modern devices — and it happens because signal bars measure radio signal strength, not connection quality.

A strong signal to a congested router, a cell tower with too many users, or a network with packet loss can look identical to a rock-solid connection. The bars lie by omission — they're measuring the wrong thing.

Same bars. Very different reality.

4 bars WiFi

Reality: 28ms latency, 0% loss → Actually usable ✓

4 bars WiFi

Reality: 890ms latency, 42% loss → Completely broken ✗


02

The Solution

Active pinging — the only reliable measure

TrueSignal works by sending a small test request — a ping — to a server and measuring exactly how long it takes to get a response. This round-trip time is called latency, measured in milliseconds (ms).

Unlike signal bars, this directly answers the question you actually care about: "Can my device talk to the internet right now, and how well?"

TrueSignal repeats this test automatically at the interval you choose — every 2, 4, 10, or 30 seconds — and updates the display in real time.

Live latency — last 12 pings

28
33
24
30
182
28
38
29
26

ms · tall = slow · short = fast


03

The Display

Green, yellow, red — instantly readable

TrueSignal translates raw latency numbers into a simple three-color system that tells you what matters at a glance. No number-reading required.

Green — Connected

Connection is responsive and usable. Pages load, calls work, streams play.

< 150ms

Yellow — Slow

Connection is degraded. Basic browsing may work, video calls and streaming will suffer.

150–500ms

Red — No Connection

Connection is failing or completely absent. No usable internet.

> 500ms

04

Stability & Reliability

Confirmation window — no false alarms

A single slow ping doesn't tell you much. Networks have natural jitter — occasional spikes that resolve in seconds. TrueSignal uses a confirmation window: the status indicator only changes color after several consecutive bad pings confirm a real problem. It resets immediately when a good ping comes through.

This means what you see reflects your actual connection trend, not a momentary hiccup.

How the confirmation window works

● 32ms ● 28ms ✕ fail ● still green ✕ fail ✕ fail ● now red
One bad ping is ignored. Three consecutive failures confirm a real outage and the dot turns red. The moment a successful ping returns, the dot snaps back to green immediately.

TrueSignal also tracks rolling stability metrics across your recent pings: jitter (how consistent your latency is), packet loss percentage, and uptime percentage. These appear in the stability card below the main dot.


05

Pro Features

More tools for deeper diagnostics

TrueSignal Pro adds a suite of tools for users who need more than a single connection status.

🧭

SignalFinder

Rotate your phone 360° to map signal quality in every direction. Find the strongest spot in any room.

Compare

Ping up to 3 servers simultaneously to compare your connection to different destinations side by side.

🚶

Walk Test

Record connection quality as you move through a space to find dead zones and optimize router placement.

🔔

Smart Alerts

Get notified the moment your connection drops or degrades — and when it recovers. No babysitting required.

📋

Network Log

A timestamped history of every network change — WiFi connections, disconnections, and cellular switches.

👤

Profiles

Save named configurations — server, interval, name — and switch between them in one tap.


06

Privacy

Only the ping you configure — nothing else

TrueSignal is private by design. The only network traffic the app creates is the connectivity check to the server you configure. There are no analytics SDKs, no ad tracking, no account required, and no personal information collected.

Your connection history is stored only on your device and never leaves it. You can use a private local server if you prefer not to send any pings outside your network at all.

Stop guessing.
Start knowing.

Available on iOS and Android.

📱 Download on App Store 🤖 Get it on Google Play