A navigation app built for parcel drivers, not commuters. It works out where a house actually is — then works with zero signal, because most of the country doesn't have any.
A 69-second introduction to TrueDoor's direction: property locations, detailed addresses, road data and the entrance that matters.
Product preview · Includes planned features. Full in-app offline navigation and the complete planning workflow are still in development. Maps and screens are illustrative.
For delivery drivers, an address is only the beginning. TrueDoor is being built around the rest of the journey.
Bring in your stops. Check the details. Plan around departure times and delivery deadlines.
Property locations provide a point on the map. Detailed addresses add names, numbers and individual homes. Road data connects the journey. Access points identify the entrance you actually need.
A property can look close, yet the nearest lane may not provide access. This example shows two blocked approaches, then a usable route to the northern entrance. The final connection shows which property it serves.
The goal is to prepare your maps and route before departure, then navigate inside TrueDoor when the signal disappears. That offline experience is still in development.
TrueDoor. Built around the driver's day.
Standard mapping — including the tools built into most delivery systems — routes to the centre of a postcode. On a terrace that's a minor nuisance. On a farm track or a holiday park with no phone signal, it costs real minutes on every single stop.
You're dropped somewhere near the right postcode, hunting for a house number with a parcel in hand and no bars on your phone to fall back on.
The pin sits on the actual property, sourced from Ordnance Survey address data. Set up once with signal; every stop after that works with none.
Pick your region and the app downloads local address and map data straight to your phone — a few minutes, done once.
Add a stop with a house number or name and postcode. The app matches it against real local address data, not a postcode centroid.
Navigation launches in whichever app you already use — Google Maps, Waze or Apple Maps — pointed at the real doorstep.
Add stops, drag to reorder, mark each one complete, and see your progress count for the round at a glance.
Realised three stops later that one was misdelivered? Jump straight back into navigation for it without re-typing the address.
For the gate, driveway or yard entrance that isn't the doorstep itself — set once, shared with every driver after you.
Pulled from a national public-toilet dataset, found offline using your phone's GPS. Small thing, real difference on a long round.
English, Polish, Romanian and Punjabi, switchable in Settings. Built for who's actually driving these rounds, not just who wrote the app.
Point the camera at a label or a card and it reads the postcode straight off it, no typing needed with gloves on or in the rain.
Exeter has genuine named address data loaded, not placeholder labels — a working slice of the app rather than a demo. If you're driving it this week, what you run into is exactly what shapes what gets fixed next.
It's easy for an app to feel faster without actually being faster. So alongside the trial, we're running a straightforward comparison: some drivers run their round with the app, others — a control group — run it exactly as they normally would. Comparing the two is what tells us whether the accurate pin genuinely saves time, not just whether it feels like it does.
Drives the round as usual: their normal navigation, no changes. This is the baseline everything else is measured against.
Same round, same area, using TrueDoor for every stop. Nothing else about their day changes.
This trial is deliberately narrow on purpose — one area, one platform, drivers confirming stops by hand. Two things unlock the rest of it: an iOS build, and deeper integration with more mapping systems than a simple handoff. Neither changes what's core to the app — an accurate, offline pin — but both widen who can use it and how much friction disappears once they do.
Right now, drivers are the only ones who can drop an access point. The plan is to open that up to whoever actually knows a property best:
Drop the access pin for a gate, driveway or yard entrance while out on a round — the fix that's needed right there, right then.
A resident or business can log in on a free tier and set their own delivery preference or access point directly — no driver visit required to get it right.
Someone overseeing a patch can correct access points in bulk ahead of time, using their own local knowledge, so drivers arrive with it already sorted.
Every stop right now gets typed in by hand. The plan is to let a driver import their day's round directly from whichever carrier system they use — DPD first, other carriers after — but strip it down before it ever reaches the app: just the property name or number and the postcode. No customer names, no delivery notes, and none of the carrier's own pin or routing data comes across. TrueDoor looks up its own accurate pin from that stripped-down address alone, exactly as if it had been typed in by hand.
Any stop that comes through with no usable address at all — a real, if occasional, occurrence — gets flagged in the route list straight away, so it's caught at the depot rather than discovered on the road with no signal.
Once that data is flowing in cleanly, two further things open up: route order can be re-optimised using real road data and everything already learned about tricky access points, rather than just raw distance — and further out, the day's round could become the primary screen on an in-van CarPlay or Android Auto display, so a stop gets tapped straight from the dashboard.
Not every edit is equally useful, so rewards are tied to impact rather than activity: an access point that gets used and confirmed accurate by other drivers over time earns the contributor "trusted mapper" status for that area, with perks like a badge or a free month. On top of that, a periodic shortlist of top verified contributors feeds a small prize pool, funded from subscription revenue.
Alongside access points, the plan includes hazard tags tied to an address — dogs on site, a dangerous turning, anything worth knowing before you arrive — visible to any driver who reaches that stop after you.
A single site pin isn't enough when one address covers a shop, a laundry room and forty caravans. For sites like that, the plan is named sub-locations under one flagged site — tap the site, pick the right sub-location, navigate straight to that specific spot rather than the site's front gate.
The app isn't on the Play Store yet, so it comes through Firebase App Distribution instead — Google's own tool for handing out test builds. That means one extra step compared to a normal app install: signing in once with a Google account so the link knows it's you.