Free to Install

Get the RBZ 3D App

Sparky tools, electrical calculators, label designer, and Sparky AI — all in one free app. Launch it instantly from your home screen, use it offline, and enjoy the full-screen experience.

Try Sparky Tools

To install the app, use your browser's "Add to Home Screen" option. See the instructions below for your device.

Why Install the App?

Sparky Tools

Cable sizing, voltage drop, max demand, conduit fill, test sheets, and more — all based on AS/NZS standards.

Instant Launch

Opens directly from your home screen — no need to open a browser and navigate to the site.

Works Offline

Use calculators and design labels even without an internet connection. Your work is saved locally.

Any Device

Works on phones, tablets, and desktops. Install it on as many devices as you need.

AS/NZS Calculators

7 electrical calculators with verify measurement mode. Get instant pass/fail results against standards.

Always Up to Date

The app updates automatically — you always get the latest tools and features.

How to Install

The app installs directly from your browser — no app store needed. Here's how to do it on different platforms.

Chrome (Desktop & Android)

1Visit rbz3d.au in Chrome
2Click the install icon in the address bar (or the three-dot menu)
3Select "Install app" or "Add to Home screen"
4The app will appear on your desktop or home screen

Safari (iPhone & iPad)

1Visit rbz3d.au in Safari
2Tap the Share button (square with an arrow)
3Scroll down and tap "Add to Home Screen"
4Tap "Add" to confirm

Ready to Get Started?

You can also use all our tools right in your browser — no installation required.

Try Sparky Tools →Open Label Designer