Six taps a stop. Works in the basement.
Big buttons, high contrast and almost no typing, built for sunlight and gloves. New drivers learn it on their first route.
01
Works with no signal
Stops, photos and signatures save on the phone and send on their own later.
02
Looks like an app, nothing to download
Its own home screen icon and full screen, like an app store app, but it runs in Chrome or Safari. Updates arrive by themselves.
03
Readable in the sun
High-contrast screens designed to WCAG 2.1 AA, with 56px buttons you can tap in gloves.
What you get
Driver app, piece by piece.
- Works fully offline and syncs on its own when signal returns
- Arrive and depart times, photos and client signatures
- Not-serviced reasons with an optional photo
- Nothing to download: installs from the browser
Driver app
- Works on any phone from the home screen, no app store needed
- A standard stop in 6 taps or fewer: arrive, confirm containers, sign, complete
- Not serviced or partly serviced, each with a reason and optional photo
No app store needed
No app to download. Works with no signal.
It looks and works like an app from the app store: its own icon on the home screen, full screen, big buttons. The difference is it runs in Chrome or Safari, and we've made it so simple there's nothing to download.
Why no download is better
- Drivers start in minutes: open a link, sign in, tap Add to Home Screen. No app store account needed.
- Always up to date. Updates arrive on their own, so no one is stuck on an old version or asked to update mid-route.
- Works on the phones your drivers already have, iPhone or Android, company or personal.
- Light on phone storage, with nothing for you to install or manage on each phone.
- Remove a driver and their phone signs out and erases its saved stops and gate codes the next time it connects.
How it works offline
- 1A progressive web app (PWA)A website that installs to the home screen and opens full screen, just like an app.
- 2A service worker keeps the app on the phoneThis small background script saves a copy of the app itself, so it opens even in a basement with no signal.
- 3Records are saved in the phone's own databaseEach stop, signature and photo is stored on the phone (in IndexedDB, the database built into every modern browser) the moment it's recorded.
- 4An outbox sends everything when signal returnsRecords wait in line and send on their own. Each one has its own ID made on the phone, so a retry never saves anything twice.
- 5Photos are shrunk on the phoneEach photo is made about 500 KB before it's sent, so uploads finish fast even on one bar of signal.
Accessibility built in
Easy to read in the sun. Easy to tap with gloves.
Drivers work outdoors, in glare, in a hurry and often in gloves. Trakro is designed for that, and for anyone who has trouble reading small, faint text.
- Black text on white and soft color, no faint gray, so screens stay readable in direct sun
- Automated checks block low-contrast text before any change goes live
- Nothing hides behind hover: every action is a visible button you can tap
- Built for keyboards and screen readers too, with a clear focus ring on every control
- Respects your phone's reduce motion setting
WCAG 2.1 AA
Designed to the international standard for color contrast
56px
Driver buttons, big enough to hit with work gloves on
16px+
Text on driver screens, readable at arm's length
What happens when my driver has no signal?
The driver app keeps working. Stops, photos and signatures are saved on the phone and sent automatically once signal comes back. Nothing a driver records is lost, and nothing is saved twice.
How does the driver app work offline?
It's a progressive web app (PWA): a website that installs to the home screen and runs like an app. A service worker, a small script the phone's browser runs in the background, keeps a copy of the app on the phone so it opens with no signal. Every stop, signature and photo is saved in the phone's built-in database (IndexedDB) and waits in an outbox. When signal returns, the outbox sends everything on its own. Each record gets its own ID on the phone, so a retry never creates a duplicate.
Why isn't there an app to download?
Because drivers don't need one. The driver app looks and works like an app from the app store, with its own icon and full screen, but it runs in Chrome or Safari on the phone. Drivers open a link, sign in and add Trakro to the home screen, with no app store account or waiting for a download. Updates arrive on their own, so no one is asked to update the app in the middle of a route, and it works on the phones your drivers already have.
Can drivers use it in bright sun or with gloves?
Yes, that's what it's designed for. Screens use black text on white and soft colors, designed to the WCAG 2.1 AA contrast standard, so they stay readable in glare. Driver buttons are 56px tall, big enough to tap with work gloves on, and driver text is at least 16px.
How long does it take a driver to learn?
Most drivers learn it on their first route. A normal stop takes six taps or fewer, with big buttons and almost no typing.
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