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    First tracker 30% off, auto-applied at checkout

    See every truck live, every 5 seconds

    Know your teen made it home safe

    Plugs in under 3 minutes, no tools

    No contracts. Cancel anytime.

    Ships today if ordered by 2 PM EST

    First tracker 30% off, auto-applied at checkout

    See every truck live, every 5 seconds

    Know your teen made it home safe

    Plugs in under 3 minutes, no tools

    No contracts. Cancel anytime.

    Ships today if ordered by 2 PM EST

    👋 Step into Style !

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    ShadowAuto - OBD-II GPS Tracker ShadowAuto - OBD-II GPS Tracker

    Plug it into the OBD-II port your car or truck already has. No tools, no wiring, under 2 minutes.

    Then you know exactly where your car is right now, not where it was ten minutes ago.

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    Ships in 1 business day 🏆 Best Seller

    ShadowAuto OBD-II GPS Tracker

    Updates every 5 seconds.

    ShadowAuto - OBD-II GPS Tracker

    Plug it into the OBD-II port your car or truck already has. No tools, no wiring, under 2 minutes.

    Then you know exactly where your car is right now, not where it was ten minutes ago.

    Regular price $69.90
    Sale price $69.90 Regular price $99.90
    SAVE 30%

    ShadowAuto pairs a one-time device cost with a simple monthly subscription for live tracking, alerts, and trip history.

    Subscription pricing:

    • $12/month per device
    • $10/month per device when you track 4 or more vehicles

    Prepay for 3, 12, or 36 months upfront and lock in savings: no contracts, cancel anytime.

    • No contract and no hidden fees. Cancel any time.
    • Works with most cars and trucks: any OBD-II port, standard since 1996.
    • SIM card already inside. Nothing to buy, activate, or swap.
    • Live map, trip timeline, and trip replay on your phone or in any browser.
    • Car Alarm, geofence zones, and tamper alerts by push, text, or email.
    • Engine codes, battery health, and driver behavior alerts.
    • Runs on your car's power, so there is nothing to charge.
    Need four or more devices? See volume pricing →

    Request a Quote

    30-day money-back guarantee
    USA-based company
    Free phone support
    Free USPS shipping
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa

    Guarantee safe and secure checkout

    View full details
    How it works

    Plug it in. See it move. Cancel any time.

    1

    Plug it in

    Find the OBD-II port in your car or truck, usually under the dash on the driver's side, and push the tracker in until it seats. No tools, no wiring, no appointment.

    2

    Activate

    Find the OBD-II port in your car or truck, usually under the dash on the driver's side, and push the tracker in until it seats. No tools, no wiring, no appointment.

    3

    Know

    Find the OBD-II port in your car or truck, usually under the dash on the driver's side, and push the tracker in until it seats. No tools, no wiring, no appointment.

    Features

    Everything a GPS tracker should do. Nothing it shouldn't.

    Grouped by the four questions owners ask us. Pick the one you are asking.

    Pick a question

    ShadowGPS app showing GPS tracking

    Watch it move now. Play back any day you missed.

    Live Tracking

    Your car or truck on a real-time map while it is moving, from your phone or any browser. It refreshes every 5 seconds, so the dot you see is where it actually is.

    A Year of Trip History

    Every trip kept for a full year, with driving time and idle time on each one. Pull up a Tuesday from eight months ago and it is still there.

    Route Playback

    Play any day back like a movie, stop by stop, at whatever speed you want.

    ShadowGPS app showing GPS tracking

    You set the rules. Every alert lands in seconds.

    Car Alarm

    It moves when it shouldn't, or someone pulls the tracker out of the port, and you know right away. Push notification, text message, or email, whichever one you will actually see.

    Geofence Zones

    Draw a zone around home, school, or a job site. Get an alert the moment it enters or leaves.

    Curfew Alerts

    Set the hours it should be parked. If it starts moving at 1 a.m., you find out at 1 a.m., not at breakfast.

    Driving Alerts

    Harsh braking, hard acceleration, and speeding pinged as they happen.

    ShadowGPS app showing GPS tracking

    How it is running, and how it is being driven.

    Trip Score

    Every trip comes back with a score built from the braking, acceleration, and speeding on that drive.

    Engine Codes

    When the check engine light comes on, your phone tells you what the code means before the shop does.

    Battery Health

    Watch the voltage trend so a dying battery shows up on your phone.

    Fuel Level

    See how much is in the tank without walking outside.

    ShadowGPS app showing GPS tracking

    One dashboard for the family car and the work truck.

    More Than One Vehicle

    One car or twenty on the same dashboard, personal and business side by side.

    Add People to the Account

    Give your partner, a family member, or whoever runs your trucks their own login.

    Share Live Location

    Send a link so your shop, a friend, or a customer sees the same live map.

    Download Reports

    Pull trip and mileage reports for any date range, then download them for your records.

    Easy to use

    If you can use a map app on your phone, you can use this. No manual, no training.

    Web and app

    The same map and history on iOS, Android, and any browser. One login, nothing extra to pay for.

    Always on

    Your tracker switches between major networks on its own, so it keeps reporting when one carrier drops out.

    How it compares

    5 seconds, standard. Not upsold.

    Cheaper trackers exist. What they do is update slower, charge more for speed, or ask you to sign two years to get their best rate. Every ShadowGPS plan gets the same refresh and the same no-contract terms.
    Tracker Price/mo Refresh rate Contract
    ShadowGPS (ShadowAuto) $8–$13/mo (4+ trackers) or $9–$15/mo Every 5 seconds, every plan None, ever
    Brickhouse Security $9.99–$17.99 5 sec to 1 minute, by tier 2-year for best rate
    Tracki $9.95–$30 10 sec to 1 hr, by tier 2-year for best rate
    Spytec $25–$45 60 sec, 5 sec on the top tier None
    LandAirSea $9.95–$49.95 3 min standard, 3 sec on top tier 2-year for best rate

    Who it's for

    Built for the car or truck you're responsible for.

    Family car & teen driver

    A tracker for the car your new driver takes out. Know they made it to school and home. Get peace of mind with real-time location update.

    Turo & rental hosts

    Your car leaves with someone you have never met. Get an alert if it crosses the zone you set, or if someone pulls the tracker out of the port mid-trip.

    Small fleet & business

    Two vans or twenty on one dashboard. See who is where without calling to ask, and keep the trucks your work depends on where they belong.

    Coverage

    Strong coverage, wherever you drive.

    Your tracker changes carriers on its own, so a weak signal on one network does not mean a blank map.

    United States

    Multi-carrier LTE-M

    Canada

    Rogers, Telus, Bell

    Global roaming

    188 countries

    Uptime

    99.9% of the time, reporting
    Choose your hardware

    Which tracker is right for you?

    One-time hardware purchase. App plans start at $12/month. Pick yours after setup.

    Most popular

    ShadowAuto

    Plug-in · OBD-II · For cars & trucks

    Hardware

    $69.90

    Plan From $12/Mo

    • Zero maintenance. Powered by your vehicle: no charging, ever.
    • Vehicle health. Live diagnostics, battery, and engine alerts.
    • Real-time location. Updates every 5 seconds for live tracking.
    Free 2-day shipping
    30-day money-back
    Ships sameday
    Pricing

    Buy the device once. Subscribe in the app.

    Hardware is a one-time purchase. Pick a plan after setup: no contracts, cancel anytime.

    How Many Vehicles?
    1-3
    4-10
    11+
    USD CAD

    Quarterly

    Billed every 3 months

    $13 / USD
    • Updates every 5 seconds
    • Real-time location & trip history
    • Speed, geofence & curfew alerts
    • Vehicle diagnostics & multi-user access

    Monthly

    Flexible, no commitment

    $15 / USD
    • Updates every 5 seconds
    • Real-time location & trip history
    • Speed, geofence & curfew alerts
    • Vehicle diagnostics & multi-user access

    Plug it in, and see your vehicle update every five seconds. Cancel any time.

    Goes Well With This

    ShadowAuto, Prepaid

    ShadowAuto, Prepaid

    Same tracker, same 5-second refresh. Pay for the year up front instead of month to month.

    Prepay and save - no contract, ever
    ShadowAuto, Prepaid

    ShadowAuto, Prepaid

    Same tracker, same 5-second refresh. Pay for the year up front instead of month to month.

    Prepay and save - no contract, ever
    ShadowTrack

    ShadowTrack

    Battery powered, so it goes on a trailer, a boat, or anything without an OBD-II port.

    $69.90 · about 15 days a charge
    Learn

    How OBD GPS trackers work

    An OBD GPS tracker is a small tracker that plugs into the OBD-II port your car already has. It works out its own location from GPS satellites, then sends that location over a cellular network to your app or browser. ShadowAuto is the ShadowGPS version of that, built for cars, trucks, Turo rentals, and small business fleets.

    What owners actually get out of one

    Certainty first: your car is either where you left it or it is somewhere on a map you can look at. After that, the practical stuff. Engine codes surface a fault before it becomes a repair bill. Trip history settles questions about where a car went and how long it sat. Driver behavior alerts show harsh braking and speeding while there is still time to talk about it.

    How it connects

    The GPS receiver inside the tracker calculates position, the cellular radio sends it to a cloud server, and the app or browser draws it on a map. That whole loop is what a refresh rate measures, and ShadowAuto runs it every 5 seconds while your car is moving.

    OBD trackers vs. hardwired trackers

    A hardwired tracker is spliced into wiring behind the trim, which means a shop visit and a harder job to remove. An OBD tracker like ShadowAuto goes in yourself in under 2 minutes and comes out just as easily.

    Alerts and notifications

    A live map answers "where is it." Alerts answer "what just changed." ShadowAuto sends tamper and Car Alarm alerts, speeding alerts, and geofence alerts when your car enters or leaves a zone you drew.

    Plugging it in

    There is nothing to fit beyond pushing the tracker into the port. OBD-II ports have been standard on cars and trucks since 1996, so it works with most of what is on the road.

    What plans cost

    ShadowAuto is $69.90 for the tracker and $12–$15/mo after that, with no contract, ever.

    Browser and app access

    Use the app on your phone or the dashboard in a browser. Same login, same live data, same trip history.

    Where you use it How you get in
    Desktop Web dashboard in Chrome, Firefox, Safari, or Edge
    Phone ShadowGPS app on iOS or Android, or the dashboard in a mobile browser
    Tablet App or browser, same account, same live map
    Connection Every login and session runs over an encrypted connection

    Security features at a glance

    • Car Alarm: an alert when your car moves and it shouldn't be moving.
    • Tamper detection: an alert the moment the tracker is pulled from the port.
    • Geofence zones: an alert when your car crosses a boundary you drew.
    • Speed alerts: an alert when your car passes a speed you set.
    • Encrypted data: location history is sent and stored over encrypted connections.
    • Account access: your trip history sits behind your login, app or browser.
    Common questions

    What is a GPS tracker that plugs into the OBD2 port?

    It is a tracker that draws power and diagnostic data from the OBD-II port under your dash, so there is nothing to wire and nothing to charge. ShadowAuto is one, and it reports its location every 5 seconds while your car is moving.

    How can I tell if there is a GPS tracker on my car?

    Check the OBD-II port under the dash first, then wheel wells and bumpers, where a magnetic tracker can sit.

    Are OBD trackers any good?

    For most cars and trucks, yes. They use a port your car already has, so there is nothing to fit and no battery to keep charged.

    Is there an OBD2 GPS tracker with audio?

    No. ShadowAuto has no microphone, and most OBD trackers do not either.

    What is the best OBD2 GPS tracker?

    It comes down to how often it updates, what it costs, and whether you have to sign anything.

    Is it legal to put a tracker on my husband's car?

    Tracking law varies by state and country, and this is not legal advice, so check your local law or an attorney if you are unsure.

    FAQ

    Is there a monthly fee?

    Yes, and that is the whole cost: $69.90 once for the tracker, then $12–$15/mo depending on how you pay. No contract, ever. Month-to-month, or prepay and save.

    Does it need a SIM card?

    It already has one inside, and it switches between networks on its own. Nothing to buy, activate, or swap.

    Is it hard to plug in?

    No. Find the OBD-II port in your car or truck, usually under the dash on the driver's side, and push the tracker in. Most people finish in under 2 minutes. No tools, no wiring, no shop visit.

    How does the subscription work?

    $15/mo billed monthly, $13/mo billed quarterly, or $12/mo billed yearly.

    How fast does it update?

    Every 5 seconds while your car is moving, on every plan. There is no faster tier to buy.

    Will it work with my car or truck?

    If it has an OBD-II port, and nearly every car and truck sold since 1996 does, yes.

    What happens if I cancel?

    Nothing unpleasant. Tracking runs to the end of the period you already paid for, then stops. No cancellation fee and no phone call required.

    Can I track more than one car?

    Yes. Add as many trackers as you need to one dashboard, and invite other people to view them.

    Does it drain my car's battery?

    No. It draws a small amount of power through the OBD-II port, which is also why there is nothing to charge.

    How do I get alerts?

    Push notification, text message, or email, your choice. Set them for ignition, tampering, speeding, and zone entry or exit.

    Can someone tell it's there?

    Yes, and that is normal for an OBD-II tracker. It sits in a port in plain view and reports the moment someone touches it.

    Do I need a shop to put it in?

    No. No technician, no appointment, and nothing routed behind the dash.

    What drivers say

    Plug it in, and see your vehicle update every five seconds. Cancel any time.

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