In the box
$99
une fois
- The Filou device
- The silicone mount, which takes their collar
- The USB-C charging cable
GPS collar · made in Quebec, for dogs and cats
They run. You follow.
Where they are, live, on your phone. An alert if they leave the yard.
$99. Three months included. Then $6.99 a month, cancel anytime.
01
Their position, live, on your phone.
Two or three metres outdoors, under open sky. You ask for their position and it arrives in about ten seconds. You watch the request go out, the collar acknowledge it, then the dot land on the map.
Two or three metres, outdoors
Under open sky the position comes from GPS and lands under five metres nine times out of ten. You’re not searching a street: you’re searching one tree.
It keeps working indoors
Where GPS can’t reach, the collar reads the WiFi networks around it — to about sixty metres — then the cell towers. The app always tells you where a position came from and what it’s worth.
02
They leave the yard. You know.
You draw a circle around your home, and your phone rings the moment they step outside it — with the app closed, in the middle of the night. It rings when they come back, too.
03
And you go get them.
The distance, the direction, and a way to make the collar answer: a ring, or a blink if you’d rather not startle them.
The collar
It stays on.
Five days at three minutes
One full cycle, measured: a position every three minutes for five days. In everyday use it reports far less often, and lasts far longer.
Rain, snow, puddles
IP68-rated: rain, snow and puddles don’t stop it. It comes off its mount in one motion, no tools, to charge.
How it works
It needs nothing else.
- 01
It reads its position
Four satellite constellations outdoors. The WiFi networks around it indoors.
- 02
It sends it on its own
Through its own SIM card, over the cellular network. No phone nearby, no range to stay within.
- 03
It arrives here
On our server, in Canada. That’s what compares the position to your zones and fires the alert.
- 04
You see it
On the map, a few seconds later. With no signal it keeps everything and catches up the moment it has one.
Fitting it
On the collar they already wear.
- 1Clip the silicone mount onto the device.
- 2Thread their collar through the slots, indicator facing up.
- 3Fold down the two blue hooks, then pull to check.
The app
What the subscription pays for.
You buy the device once. This is what runs every day — and these are real screenshots, not mock-ups.
Ask where they are
The request goes out, the collar acknowledges it, the dot lands. You see each step and how long it takes. Here, five seconds.
Draw your zones
Home, work, the daycare, the cottage. A circle, a name, and you’re told the moment they leave it — and the moment they come back.
See their days
Distance, time on the move, steps. A dog hides pain; what changes first is the urge to move, and nobody sees that by eye.
Read back what happened
Every exit, every return, every knock, every low battery: dated, with the pet it concerns. Nothing is lost while you’re at work.
The app
It’s already in people’s hands.
Filou runs every day, on real collars. Those are its screens you just saw.
On iPhone, it’s on the App Store. On Android, it’s finishing its closed test: write to us and we give you access the same day. Either way, nothing stops you from using your collar the day it arrives.
Install on iPhoneAsk for Android accessInstall on Android
Android: access is still given by hand while the closed test runs. The store button takes its place after that.
From here
What that changes.
GPS collars have been around for ten years. They’re built for the city, run from somewhere else, and the service shuts down when the company changes hands. Whistle switched off every one of its devices on 31 August 2025.
Written here, not machine-translated
Every line of the app and of this site was written by a person, in both languages. None of it went through a machine translator, and you can tell from the first alert you get.
Your positions stay in Canada
They live on our server, not with an American service. You can export them whenever you like, and ask for them to be deleted. Actually deleted, not promised.
In dollars, with your taxes
The price shown is in Canadian dollars, GST and QST worked out at checkout. No conversion, no exchange fees, no customs.
You write to a person
Filou is made by one person, in Quebec. When you write, that’s who answers — not a three-tier form.
Filou
You stop looking.
The device, its mount and its cable: $99, once. The subscription that pays for its SIM card: from $6.99 a month, renewed automatically, cancel any time.
Pricing
The collar once, then the subscription.
The subscription
$6.99/ month
or $69 a year — two months free
- The SIM card and the data
- Live position, no limit
- Zones and alerts
- Your track history
No commitment. Stop the renewal whenever you like, from the app or from here, and you keep the days you’ve paid for.
Shipping $9.99 in Quebec, free over $200. In stock, delivered in 3 to 7 days.
The story
Why Filou exists
Filou started in a conversation with people out on the back roads of Quebec. The ones with a dog that knows the woods better than they do, and a cat that comes home when it feels like it.
GPS collars have been around for ten years. They’re built for the city, run from somewhere else, and the service shuts down when the company changes hands. Whistle switched off every one of its devices on 31 August 2025, without telling its customers early enough to make other plans.
Filou is put together here, hosted in Canada, and speaks both languages. That isn’t a sales line: it’s the reason it exists.
The founder, in Drummondville
Questions
Does it work for a cat as well as a dog?
Yes — same device, same subscription. The silicone mount goes onto the collar your pet already wears, up to 28 mm wide, a cat’s as readily as a big dog’s.
Do I need a subscription?
Yes, and the first three months come with the collar. It transmits over the cellular network, so it needs a SIM card and data: that’s what the subscription pays for, along with the server that keeps the history. Your 90 days start the day you pair the collar, not the day you order. After that, $6.99 a month is charged to the card you used — we tell you a week ahead, and you can stop it in one tap from the app.
What happens when they leave the zone?
Your phone rings. You set the zone in the app by drawing a circle around your home; the moment the device leaves it, the alert goes out.
Does it work everywhere in Canada?
Anywhere a phone has signal, which is to say just about anywhere you’ll go with your pet. Outdoors under open sky the position comes from GPS and lands within two or three metres. Under a roof or out on a back road, the collar falls back to the WiFi around it — within about sixty metres — then to the cell towers, which give the area without giving the house. You always see where a position came from and what it’s worth: we never pass an approximation off as a certainty.
How long does the battery last?
Five days on close tracking. That’s one full cycle, measured: a position every three minutes for five days straight, which no animal actually needs. In everyday use the collar reports far less often and lasts far longer; we’ll publish that figure once a full cycle has produced it, not before. The device comes off in one motion and charges on its base.
Does the collar survive rain and snow?
Yes: the device is IP68-rated. Rain, snow, slush and a puddle do nothing to it. It isn’t a diving device for all that — don’t send it swimming for an hour.
Can I stop my subscription?
Yes, whenever you like. The subscription renews on its own at the end of the term — that’s what keeps the collar from going quiet without warning — and you can stop that renewal in one gesture, from the app or from here. The days you’ve already paid for stay yours: nothing is clawed back, there’s no penalty and no call to make. And if your pet goes to a sitter, you can pause the subscription instead: the clock stops, your days wait for you, and the collar stays quiet for the duration.
What happens if Filou shuts down?
It’s the right question, and it just happened to thousands of people: Whistle switched off every one of its devices on 31 August 2025, after being bought, with no way to migrate. The Filou collar isn’t locked to our service — it’s an off-the-shelf device whose server address can be changed, and your history exports from the app whenever you want. If Filou disappeared, you’d be left with a collar you can repoint and your data, rather than a paperweight.
Do I need a separate cellular plan?
No. The SIM card is already in the collar and the data plan is included in the subscription. There’s nothing to open with a carrier.
Can I track two pets?
Yes. One collar and one subscription per pet, and both show up in the same app, on the same map.
Is it comfortable to wear all the time?
The device sits flat against the collar: nothing dangles, nothing catches. It weighs 45 g, about the weight of an AA battery. For a cat or a small dog, try it for a day before leaving it on full time.