CARLOCK Anti Theft Car Device Review: Real-Time 4G Tracker & Alarm

10 reviews for CARLOCK Anti Theft Car Device Review: Real-Time 4G Tracker & Alarm

1. 

   M. & K. P. – February 26, 2026

   Best investment I’ve made
   This gives me piece of mind. Super easy to install. Batteries are replaceable in the motion detectors! I’ve had this installed in my vehicle for 2 months. I’ve had this car serviced and was afraid someone might hot rod my car. I was able to see that they didn’t speed in my vehicle and where it was driven. The motion sensors let me know if the car door has been touched. Also the tracking is very nice. I can see how the car had been driven and where to. The feeling of having security it amazing. The tracker itself is small and easily hidden. I’d recommend buying the OBD splitter at the same time so it’s easy plug and play installation. This also gives notifications of low battery in the vehicle as well as feedback on your driving.

2. 

   DM – February 26, 2026

   Does NOT track your car 24/7
   **UPDATE** February, 2023-After writing the rather harsh review below and emailing CarLock, my device was updated and the cell network it talks to was changed. After that my CarLock has been working exactly as advertised. I have been paying for the service and will continue to do so. The system does a great job tracking my cars location and movement. It’s been spot on since the changes.If I still have one gripe, it’s the tag. That little thing is kind of hit or miss but it’s really not that big of a deal for me. It’s still in my center console but I have it turned off in the app.I’m changing my rating to 5 stars!To any buyers: If you have connection issues with your device when you first get it, give CarLock a chance to fix it remotely. It may take a few days but chances are they will get it to work.As of this update, I would buy it again and will recommend it to others.***Below is my initial review based on my first week or so of having the device in my car***I purchased this device based on the numerous rave reviews on YouTube.It was shipped very quickly and it was very easy to install.The first two days were impressive. It tracked my car for several trips and was spot on. That’s where the positives end.It was purchased to protect my car on a cross country trip to the west coast. After two days of no issues the problems started.First I left my work and it tracked me for about a block and a half then just stopped. According to the app my car was sitting two blocks from my work while I’m staring at it in my driveway 30 miles from work. No amount of app shut down, phone reboot tricks worked. My car was two block from work. Getting more and more frustrated I drove the car around the block to see if it would unstick itself but no luck. Finally I took the device apart and removed and reinserted the SIM card. That seemed to unstick it.Next morning we leave on our trip. We’ll…you guessed it. It only tracked the car for the first sections of our trip. After each stop it seemed to catch up but then would only track for part of the drive. I’m so frustrated!!!As I write this, I’m in my hotel room LOOKING at my car out the window but according to CarLock it’s parked on the highway around 120 miles away. Already pulled and reinserted the sim to no luck.As far as customer service…NO PHONE NUMBER AT ALL. Only way to contact them is via email. You can bet I sent an email and the response was automated with some mechanic link that did not remotely help and that I would hear back from a rep within 24hrs but weekend and holidays are excluded. Guess what…it’s Saturday today.Right now I’m sooooo done with this piece of junk. I’m willing to give them a chance to fix my issues but it better be a solid fix.Final thought. Awesome idea. Does not work at all for me. Buyer beware.

3. 

   Judey Truitt – February 26, 2026

   Well worth it!!!
   This is a great product for older vehicles that do not have alarms. It is super easy to install and the key fob you can get works really well. I know where my vehicle is at all times, even when it’s in the shop for maintenance. I love the ease of use and the tracking. I absolutely recommend this if you have an older vehicle. I love it!

4. 

   James B. Newbill – February 26, 2026

   Carlock is unreliable and tech support is close to non-existent.
   After 30ish days with Carlock and countless hours troubleshooting two different units I can say with great disappointment that the product just doesn’t really work as a car alarm and GPS tracking product.First the good:It’s a really neat idea that packs both car alarm, GPS tracking, and mobile notification into an easy to install and easy to use mobile smartphone interface for a low acquisition cost and reasonable monthly fee.Now the bad:The product is just not reliable. I went through two different Carlock units and a Carlock bluetooth tag (which never worked either).Neither Carlock unit I had could reliably detect vibration short of directly tapping on the units case. No manner of attaching it to multiple parts of the vehicle frame, repositioning, tape, zipties, etc. would allow it to reliably detect any sort of vibration short of having access to the physical plastic carlock device case and tapping on it. At times if it was tethered to the car frame near a door it could be set off with a really exaggerated door slam.Neither unit would reliability track a vehicle in any meaningful time frame either. Best case scenario you are at least a mile down the road before it starts tracking its first GPS waypoint (or sending an alert). This means geo-fencing is worthless as you won’t get a geo-fence alarm signal prior to your car being stolen and at least a mile away from where you left it.The first unit I received would randomly lock up and was unable to record any information about 5 minutes into a drive. So you could go for a 30 minute drive, the unit would lock up shortly after recording the first GPS waypoint. You could continue driving and the unit would never record another data point (GPS, Battery Voltage, Alerts, etc.) Eventually you would come home and about 4 hours later you would get all the updates and alerts that happened over the past 4 hours. During these 4 hour freeze period the Carlock would usually show my car somewhere in the middle of the street about a mile from my house even though it had been in my driveway for hours. This makes the unit worthless for GPS tracking as if your vehicle is stolen and it takes 4 hours to update its location what benefit does that provide. The only way to get the unit out of this frozen state (other than waiting hours) was to remove the Carlock device from the vehicle, open the carlock device case, remove the SIM card, reinstall the SIM card at which point all the cached alerts would come streaming into my phone based app and the web portal. After troubleshooting with Carlock for a week I returned it to Amazon and bought a second unit thinking…maybe the first one was just bad. I was wrong.I received the second unit and it seemed to work a bit better. It wouldn’t freeze up for hours on end like the first unit did into a drive, but would still sometimes take upwards of 10 minutes to record its first data point once I started the vehicle for a drive That meant the Carlock unit could be armed, I don’t unarm it, I get in the car (which it should vibration detect and alert), start the car (which it should also detect and alert), drive the car away, leave the geo-fence zone (which it should detect and alert) and Carlock would report none of these actions in anything close to real time. Roughly 10 minutes later Carlock will finally report, car started, but wouldn’t ever show the 10 minute test drive I took. Again an alarm system that goes off 10 minutes or more after the vehicle has been started and driven away and never record that it left your driveway doesn’t’ buy you much. Mind you this is with Carlock reporting a lock on half a dozen GPS Sats and 4 out of 5 bars on the GSM meter via the app.Now let’s get to Carlock tech support. Carlock tech support has no phone number so you will never talk to a live human. Carlock doesn’t appear to have many support reps and my guess is that the few they do are not in north America. Any inquiry to tech support takes at least overnight to respond in the best case scenario. In the worst case it can be days before you get a reply, especially if your response was sent to carlock toward the end of the week. (Carlock has no support on weekends) so you can reply on Friday morning and not hear back until Monday evening. The Carlock tech support responses always comes in the middle of the night or early AM US time. The result is trying to troubleshoot with tech support stretches on for days as every inbound/outbound communication is significantly delayed.. My efforts also seemingly never went anywhere other than “we got your ticket”, or “we updated your unit try it again” or “we need to research that further” to which the unit would still not function properly.Here is the bottom line from what I can tell. This is a basically a feel good security product that gets sold to people who want the illusion of security for $50 upfront and $9 a month. It’s the equivalent of the little sliding chain link lock that old hotels put on the door to make guest feel safe when they open the door, when the reality is that little chain link lock provides nothing but the illusion of security and will most likely fail when pressed and it counts.The unfortunate reality is that Carlock so unreliable, so slow to notify you of alerts, and the GPS and geo-location so slow and spotty the odds that Carlock would ever alert you prior to your car being broken into is slim much less let you ever find your vehicle. Carlock provides a thief plenty of time slim-jim open your vehicle, cut away your steering wheel lock, program a new key, start the car, etc. and drive way with your vehicle before you ever get an alert any of this was happening. Once your can is now stolen, Carlock’s slow and spotty GPS tracking means you could probably never track your car in any real time to find and potentially recover it. The internal Carlock device battery is also so small that once Carlock is disconnected from vehicle power or a thief just removes connection to the car battery carlock will cease function in under 30 minutes.If you needed Carlocks help to troubleshoot your Carlock alarm once your car was taken you may be waiting literally days for them to even acknowledge your support request (and then getting a meaningless reply).I wanted to love Carlock. It seemed like a great product based off the marketing without spending $1000 on a traditional car alarm, requiring a car alarm tech cutting all sort of wires in your vehicle to install it, and an even more expensive monthly fee for cellular monitoring.After 30ish disappointing days, two carlock units and one carlock tag later, I am now returning the second unit, the same as I did with the first one (and tag) as I have no faith the product will perform when it counts.I guess for approximately $50 upfront and $9 a month I should have known it was too good to be true.

5. 

   Hregn3 – February 26, 2026

   Works Great!
   Such a neat device! Easy to install and allows me some peace. We have had issues with people tampering with cars so this allows me to stay a step ahead. The GPS is exact as well. My only downside is the size, I am unable to put the port cover back on.

6. 

   Grant P Davey – February 26, 2026

   Hands down, the best tracker I have ever used!I have used 4 or 5 different trackers in the past, but this one beats all the rest I have previously used by a country mile! I originally had a spare mobile phone set up with a 4G sim and a GPS app installed, and it worked OK, but the battery life on the phone wasn’t great and I could only charge it whilst I had the ignition on, so after a day or so it would drain the battery life.So I looked at an alternative option. I purchased a GPS tracker (i forget the name of the brand) which i hardwired into the car via the fuse box – again, this worked OK, but it had a very buggy app and rarely showed the correct location.So I then purchased a ‘mini GPS’ sim tracker that claimed to work with any sim carrier…but it didn’t and I could even get it to work. Lastly, before I got this device, I purchased the Vodafone curve which has a built in v-sim. Out of all the previous ones, the vodafone curve is the best, and works relatively well for a small monthly fee – but – compared to this item, the curve is nothing.Now…for THIS item…what a nice, easy and simple device that works…and very well!After unboxing, there’s a slip with an activation code to register the device. Then it was just a case of downloading the devices app and plugging into the OBD port of my car.No wires. No mess. No fuss. Don’t even have to worry about fiddling with a sim card as it has one built in. Don’t have to worry about battery life either. It pulls through enough power without the ignition on and no reduction in battery voltage and …it just works very well. It even has useful features in the app to enable smart security to detect vibration and you can even set it up to detect harsh cornering/braking/accellation etc.You can see exactly when the engine is started and stopped, where the car has been on each trip…and even follow the map LIVE if you wanted.Literally the only nag I had was that once I plugged the device into my OBD port, the flap door that covers my port wouldn’t close as the device was sticking out. But this was a very easy and simple workaround…the guys who manufacturer this device also offer an extension OBD cable, and its relatively cheap, too. I purchased the cable, and once I installed it, I was able to hide the device in the dashboard and close the flap door. This device also detects and notifies you when it is plugged in or unplugged.I dont have a bad thing to say about it. I gave had it in the car almost a week now…and I love how simple it is to operate.The monthly subscription is 100% worth it.

7. 

   Daniel Beale – February 26, 2026

   Excellent product

8. 

   Edward Fitzpatrick – February 26, 2026

   Le CARLOCK traceur GPS voiture et alarme est efficace et abordable qui offre une tranquillité d’esprit. La géolocalisation précise et les alertes en cas de comportement suspect sont des atouts majeurs. Il est branché directement dans la prise OBD de mon Toyota C-HR, cela fonctionne parfaitement.L’abonnement mensuel est nécessaire pour accéder à certaines fonctionnalités et la couverture réseau peut être limitée dans certaines zones comme elle parking sous terrain.J’ai acheté ce produit principalement pour détecter des comportements suspects notamment la nuit, le capteur vibration est assez sensible.Je suis satisfait de mon achat et de la qualité du produit / service fourni.

9. 

   Frustrated customer – February 26, 2026

   CarLock is a fantastic and affordable way to keep your car secure and gain valuable peace of mind. Installation is incredibly easy—just plug it in and you’re set! The user-friendly app sends real-time alerts for any suspicious activity, like vibrations, movement, or the engine starting. It’s also an excellent tool for monitoring the driving habits of new drivers in the family. For its simplicity, reliability, and the security it provides, CarLock is an outstanding choice.

10. 

    Florian Schmidt – February 26, 2026

    Top Produkt. Hab es zusammen mit dem vibrations Sensor gekauft. Einrichtung ist super einfach. Zusätzliche Module werden per QR Code verbunden. Die App ist sehr gut ausgestattet und funktioniert einwandfrei. Durch die Batterie Überwachung merkt man auch jederzeit wenn die starter Batterie des Fahrzeuges nachlässt. Nur ein Beispiel der vielen super Funktionen.