Everything a rally crew needs, in one pocket-sized app.
CarZero replaces the spreadsheets, PDFs and group chats a rally team runs on. Schedule, cars, fuel and tyre plans, hotels, tickets and documents: one source of truth on every phone, even with no signal.
Screens use sample data.
A rally week runs on scattered information.
The schedule is a spreadsheet
Plans change by the hour. A shared file means everyone is working from a different version.
Details are buried in chats
Hotel rooms, tickets, refuel amounts and tyre sets get scrolled past and lost.
Signal disappears
Service parks and remote zones are where the information matters most, and where the network is worst.
Each person opens it and sees their own day.
Built for gloves, sun and bad signal. Crew see their own schedule, tickets and room, and get a notification when something changes for them.
Day by day, filtered by who
Every activity is tagged with who it concerns: a person, a crew, a car or everyone. Switch between your own day and the whole team's.
Fuel and tyre plans per car
Amounts to fill, tyre sets and rim sets for each timing, with a refuel gear checklist. Changes made in the field keep track of who made them.
A map of every place that matters
Service parks, hotels and stage starts on one map. One tap opens navigation. Places that share a spot are grouped.
Hotel, room, roommates, tickets
Personal details and travel tickets are visible only to the person they belong to, and to team admins.
Road book and itinerary, offline
PDFs open in a built-in reader and stay readable once opened, without any connection.
Told the moment plans change
A moved slot reaches only the people in it; a new document, plan or update reaches the whole crew, straight to their phone.
Built for the service park, not the office.
i20 N Rally2Dry break
Fiesta Rally2Dry breakFuel and tyre plans, with the gear checklist ticked off in the field.
© OpenStreetMap contributorsEvery place on one map, one tap from turn-by-turn directions.
Rooms, roommates and tickets, private to each person.
A web portal for the people who run the team.
Managers build the whole rally in a browser, and the app updates on every phone within seconds.
- Schedule, fuel and tyre plans, places and documents, all edited in one place.
- Staff, cars, hotels and rooms. Your team list and cars carry over from one rally to the next.
- Print or save the plans as PDF, one page per day, with tick boxes for the service park.
- Your logo and your two team colours, in the portal and in the app.
- A history of every change: who changed what, and when.
Built to be trusted with a team's data.
Offline first
Everything opened is cached on the phone. Changes made without signal are queued and sent when it returns.
Multi-team by design
Row-level security in the database keeps each team's data apart. A person can only ever read their own team.
Private files
Tickets and photos sit in private storage, served through short-lived links and per-person rules.
Your data stays yours
Two-step login for admins, a full history of changes, and an export of all your data at any time.
Hosted by Supabase, certified ISO 27001 and SOC 2 Type 2, with daily backups. A security overview and a data processing agreement are available on request.
Ready for your next rally in a week.
Already used on the road by a professional rally team in New Zealand.
- We set up your team with your logo and your colours
- You add your staff and your cars once, for every rally
- A guided tour shows each step in the portal
- Build the schedule, fuel and tyre plans, hotels and places
- Drop the road book and documents
- Print the plans for the service park
- Everyone installs the app and logs in with their email
- Notifications on every change that concerns them
- Your first rally is a free pilot
For premium teams: your own app, with your team's name and logo, published on the App Store and Google Play. We handle the whole set-up and the support.
Want to see it running? Let's talk.
I can walk you through the app and the portal, or answer questions about how it is built.