Early access
Your ERP charges, alerts, and card balance — right where you can see them.
The Gantry Display is a round AMOLED screen for your car that keeps ERP charges, speed, alerts, and card balance in view as you drive. Powered by a single USB-C cable, it pairs with the Gantry app, which links it to your OBU.
Requires the free Gantry app for iPhone (iOS) — the display works only with the app. Android support is planned.
The display
A dedicated screen, always in view
A 1.75-inch round AMOLED display (466 × 466), powered by a single USB-C cable, that mounts in your car and shows exactly what matters, when it matters.
A screen that arranges itself
A priority-driven layout engine decides what matters most: big speed and clock when idle, an alert with its sign icon and charge amount when something happens, your card balance when it is time to top up.
Built for Singapore roads
ERP charges and deductions, speed-limit signs with a speed ring, speed cameras, parking availability, travel times, and the official LTA road-sign icons — rendered clean and legible.
Updates over the air
New firmware is delivered straight from your phone over Bluetooth — verified, with automatic rollback if anything goes wrong. No wires, no computer.
Private by design
The display never talks to your vehicle directly. Your phone — running the OBU maker’s encrypted SDK — is the only thing that touches vehicle data, and it sends the display only the minimal, parsed messages it needs to show.
The app that powers it
The link between your OBU and the display
The free Gantry app connects to your OBU and drives the display — and along the way it lets you set things up, customise what shows, and keep a history of every charge.
Set it up and confirm it works
A built-in preview mirrors what your display is showing, so you can position it, tune the layout, and check the connection before you set off. On the road, the display is what you watch — the app stays in your pocket.
Every charge and alert, logged
The Activity feed keeps a running history of ERP charges, card deductions, traffic alerts, and road-sign events — so nothing goes by unnoticed.
Make the display yours
Tune brightness and theme, choose which of the road-sign categories to show, set how long each message lingers, and toggle speed and clock — all pushed to the display over Bluetooth.
Pair by scanning a QR code
No cables, no fiddly codes. Point your phone at the QR on the display and you are connected — and it reconnects automatically every time you get in.
Live Activities and widgets
Keep your card balance on the Lock Screen and trip status in the Dynamic Island. Gantry runs quietly in the background so your phone can stay in your pocket.
FAQ
Questions, answered
What is Gantry?
Gantry is a companion system for your vehicle’s OBU (On-Board Unit). The iOS app surfaces your ERP road-pricing charges, card balance, speed, and road alerts, and an optional round AMOLED display keeps that information in view while you drive.
Do I need the hardware display?
Yes — the Gantry Display is the product. It’s a dedicated, always-in-view screen that mounts in your car and is powered by a single USB-C cable. The Gantry app isn’t a standalone dashboard; its job is to bridge your OBU and the display, relaying charges, alerts, and balance for the display to show. The app and the display work as a pair: the display is what you buy, and the app is what makes it work.
Which phones are supported?
Gantry currently supports iPhone (iOS) only. An Android version is planned to follow. The Gantry app is required for the hardware display to work at all, so an iPhone is needed to set up and use the display today.
Which vehicles and OBUs does it work with?
Gantry is built for Singapore’s next-generation ERP OBU. Compatibility details will be confirmed as we move toward release — join the early-access list and we’ll keep you posted.
How does pairing work?
The display shows a QR code. Scan it in the app and the two connect over Bluetooth — no cables. After the first pairing, they reconnect automatically.
Is my data private?
Yes. Only your phone communicates with the OBU, using the OBU maker’s encrypted SDK. The display receives only the minimal messages needed to show a charge or alert — it never connects to your vehicle directly.
How are updates delivered?
Firmware updates are pushed from the app to the display over Bluetooth, verified before installing, with automatic rollback for safety. The app itself updates through the App Store.
What’s included when I order?
You receive the Gantry Display itself. It does not come with a USB-C cable or a mount — any standard USB-C power source works, and we deliberately leave mounting up to you so you can place it wherever suits your dashboard, cabin, and viewing angle best.
How much is it, and when can I get it?
The Gantry Display is S$200. It’s on sale now as an early-access (beta) product — you pay a S$50 deposit when you place your order, and the remaining S$150 on collection.
How do I order?
Use the order form linked from the button on this page and pay the S$50 deposit to reserve your unit. We’ll follow up to arrange collection, where the S$150 balance is due.
Order your Gantry Display
S$200
S$200 total — a S$50 deposit secures your order, and the remaining S$150 is paid on collection.
Place your order — S$50 depositGantry is an early-access (beta) product. It’s on sale now and improving continuously through app and firmware updates — expect refinements over time.