NetJolt app icon
Available for macOS, iOS & Android

NetJolt

A lightweight, resource-efficient app for monitoring WiFi connections, network latency, and connection health across all your devices.

Download for macOS ↓ Install from iOS App Store → Install from Android Play Store → Docs & upcoming tools →

Interface

Everything at a glance.

Instant insight into your network health across all your devices.

NetJolt macOS Overview tab showing network status, latency, and DNS monitoring
NetJolt macOS WiFi tab showing signal health, access points, and signal quality
NetJolt macOS Diagnostics tab showing WiFi channel analysis and recommendations
NetJolt iPhone Overview showing network status and latency
NetJolt iPhone WiFi health score and signal quality
NetJolt iPhone speed test results
NetJolt iPhone network diagnostic tools
NetJolt iPhone HTTP latency test with graph
NetJolt iPhone settings
NetJolt iPad Overview with sidebar navigation
NetJolt iPad WiFi health score and signal history
NetJolt iPad speed test results
NetJolt iPad HTTP latency test
NetJolt iPad settings
NetJolt Android dashboard with per-interface cards
NetJolt Android WiFi signal health and channel analysis
NetJolt Android speed test results
NetJolt Android network diagnostic tools
NetJolt Android ping tool with latency graph
NetJolt Android tablet dashboard with per-interface cards
NetJolt Android tablet speed test results
NetJolt Android tablet network diagnostic tools
NetJolt Android tablet ping tool with latency graph

Features

Built for the details.

NetJolt gives you the network visibility you need without the complexity you don't.

📡

WiFi Health Monitoring

Real-time signal strength, stability scores, and WiFi health grades at a glance from your menu bar.

⏱

Latency Tracking

Monitor ping latency to your gateway, Cloudflare, and custom servers with live sparkline charts.

⚡

Speed Tests

Run download and upload speed tests without leaving your menu bar. Track results over time.

🔭

DNS Monitoring

Track DNS server latency and identify resolution bottlenecks slowing your browsing.

📜

Channel Analysis

See which WiFi channels are congested and get recommendations for the least crowded ones.

🔌

Lightweight & Native

Built with Swift and SwiftUI. Sits quietly in your menu bar using minimal CPU and memory.

🌓

Dark & Light Mode

Follows your system appearance preference or choose your own. Looks great in both dark and light mode.

🛡

VPN & Tailscale Awareness

Detects active VPNs and Tailscale tunnels, identifies your exit node, and compares tunneled latency against your raw connection.

🧩

Network Diagnostics

One-click traceroute, port checks, and MTU tests to pinpoint exactly where traffic breaks between you and the destination.

New in NetJolt for macOS 0.8.0

Fix the problems you actually search for.

Wifi that says connected but has no internet. A device on your network you do not recognise. A connection that is slow and you do not know why. These tools are in NetJolt for macOS 0.8.0. The iOS and Android versions are coming soon.

🔑

Captive-portal detective

Hotel wifi won't connect? Airport wifi login page never shows up? Find out whether you are online or stuck behind a sign-in page, then open it. Available now on macOS; iOS and Android coming soon.

Coming soonAvailable now

👥

Who's on my WiFi

Who is connected to my wifi? See every device, name the ones you know, and get an alert when an unknown device joins your network. Available now on macOS; iOS and Android coming soon.

Coming soonAvailable now

🤖

AI-assisted diagnosis

Why is my wifi slow? Why is my video call bad? Get a plain-English diagnosis from your own AI endpoint, a shareable prompt, or an offline rules engine. Available now on macOS; iOS and Android coming soon.

Coming soonAvailable now

🕸

MTR

A traceroute that keeps running, with live loss and latency for every hop, to catch the flaky link between you and a destination.

Coming soonAvailable now

📖

WHOIS / RDAP

Registrar, expiry dates, nameservers and abuse contacts for a domain, plus network and ASN details for an IP address.

Coming soonAvailable now

🔒

TLS certificate inspector

Inspect any host's certificate chain, check how many days are left, and spot self-signed or expired certificates.

Coming soonAvailable now

Also new on macOS: a subnet calculator, NTP time check, HTTP header inspector, IPv4/IPv6 toggles, an ARP table viewer, a health timeline with trends and alerts, and an SNMP browser, per-process bandwidth, packet capture and SYN, ICMP and OS-fingerprint scans. These are not yet in the released iOS and Android apps; each tool's page lists exactly what runs where.

Requirements

Technical details.

macOS 13+

Ventura or later

📱

iOS 17+

iPhone & iPad

🤖

Android 8+

Oreo or later

🚀

Native

Swift & Kotlin

🔒

Privacy First

All data stays local

Download

Get NetJolt.

Free to download. Available for macOS, iOS, and Android.

NetJolt v0.9.2 for macOS

Requires macOS 13 (Ventura) or later. Universal binary for Intel and Apple Silicon. Signed and notarized by Apple.

Download DMG ↓

NetJolt v1.2.0 for iOS & iPadOS

Requires iOS 17 or later. All the diagnostic tools, speed test, WiFi analytics, and Tailscale integration — plus home-screen and lock-screen widgets.

Install from iOS App Store →

NetJolt v1.2.0 for Android

Requires Android 8.0 (Oreo) or later. All the diagnostic tools, speed test, WiFi analytics, and Tailscale integration, on your phone.

Install from Android Play Store →

macOS: Open the DMG, drag NetJolt to Applications, and launch from your menu bar.
iOS: Install from the App Store.
Android: Install from the Play Store.

Support

Need help?

If you have questions, feedback, or need assistance with NetJolt, we're here to help. Reach out through our contact page and we'll get back to you as soon as possible.