Comparison

CarLock vs CarMD Connect

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CarLock

This app provides real-time tracking and alerts for your vehicle, monitoring for movement, engine starts, vibrations, and device tampering. It also tracks driving behavior, monitors car battery health, and logs trip history for enhanced security and peace of mind.

Highlights
  • Real-time vehicle tracking
  • Movement and engine start alerts
  • Driving behavior monitoring (acceleration, braking)
  • Car battery health alerts
  • Detailed trip tracking
  • Device tampering alerts
Features
Read full description

Requires hardware sold at carlock.co CarLock - Advanced Real Time Car Tracker & Alert System. WORK & SLEEP WITHOUT WORRY CarLock monitors and alerts you on your phone when your vehicle is moved, when the engine starts, if unusual vibration is detected & even if the device is disconnected! MONITOR YOUR TEENAGER We love our teens but they can be entirely different people behind the wheel. CarLock detects harsh acceleration (drag racing), hard breaking & sharp cornering (stunt driving). VIRTUAL MECHANIC CarLock actively monitors the health of your vehicle and alerts you in advance if your car battery is running dangerously low or is experiencing high battery drain. LIKE GPS ON STEROIDS Included is also a detailed trip tracking which lets you monitor where your car has been. You'll be notified if your car is stolen or a "trusted" driver is going off course! EXTREMELY AFFORDABLE CarLock uses cloud computing, internet storage, GPS tracking and a modern day app. You get all this for only $9.60 per month and the first month is FREE! Work's on AT&T's network. CarLock supports multiple cars on one account. The device is compatible with all cars manufactured after 1996.

About

CarMD Connect

This app connects to a plug-in device to provide real-time vehicle health alerts, location sharing, and car tracking. It offers AI-powered car advice, maintenance reminders, and repair cost estimates, helping you manage your vehicle's health and your family's safety.

Highlights
  • Real-time vehicle health alerts
  • Location sharing and car tracking
  • AI chatbot for car questions
  • Repair cost estimation
  • Maintenance reminders
  • Trip logging and export
Features
Read full description

CarMD Connect is the car care app that helps you understand your vehicle, make smarter repair decisions, earn rewards, and stay connected to the people and vehicles you care about. Use the app on its own or pair it with the optional CarMD Connect device for continuous vehicle monitoring, repair shop-level scans, and advanced vehicle insights. No subscriptions. No hidden fees. ** Earn Rewards for Taking Care of Your Vehicle ** Earn rewards on eligible maintenance and repair services through CarMD's trusted repair network. Schedule appointments directly in the app and get rewarded for smarter car care. ** Know What's Going on with Your Vehicle ** Understand warning lights, vehicle symptoms, sounds, and smells before they become bigger problems. Get repair insights, estimated costs, and information to help you make confident repair decisions. Backed by the industry's most trusted vehicle health data. ** Ask CarMD ** Need help understanding a warning light, repair recommendation, maintenance need, or vehicle symptom? Ask CarMD provides personalized answers based on your specific vehicle and decades of real-world repair expertise. ** Stay on Top of Maintenance ** Track maintenance and repair history, receive service reminders, monitor vehicle health, and maintain records that can help maximize resale value. ** Keep Family Safe and Connected ** Share locations, receive safe arrival notifications, create geofencing alerts, get vehicle health updates, and manage emergency contacts for family members and household vehicles. Ideal for teen drivers, aging parents, and multi-vehicle households. ** Use CarMD Your Way ** Many CarMD Connect features work without a device, including rewards, service scheduling, Ask CarMD, maintenance reminders, and location sharing. Add the optional CarMD Connect device to unlock proactive vehicle health monitoring, repair shop-level diagnostic scans, advanced alerts and reports, and enhanced location accuracy. Since 2006, CarMD has helped millions of drivers diagnose vehicle problems, monitor vehicle health, and save money on car repairs.

Screenshots

CarLock4 screens
CarMD Connect4 screens

Verdict

The call

CarLock and CarMD Connect both sit at 4.4 stars, but that hides the real split: 86% of CarLock's written reviews are positive against 0% of CarMD Connect's. CarLock also leads on ratings volume (357 vs 8). CarMD Connect's advantage is monetization model (free vs subscription). On price, rating, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for CarLock against 4.5 for CarMD Connect. That said, the two scores are not equally well evidenced: CarLock has 357 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 86% of CarLock's written reviews are positive against 0% of CarMD Connect's.

UpkeepUpdate frequency

CarLock ships an update monthly, CarMD Connect every 3 weeks. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
CarLock versus CarMD Connect: the parameters behind the verdict, then further details
ParameterCarLockCarMD Connect
PriceFreeFree
Rating4.4 (357 ratings)4.5 (8 ratings) — better
Positive reviews86.1% of reviews — better0.0% of reviews
Number of ratings357 — better8
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationSubscriptionFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size153 MB61 MB
Age rating17+4+
DeveloperProtectus Technologies, IncCarMD.com Corporation

Customer experience

CarLock

All ratings357 ratings
Positive86.0%
Neutral4.2%
Negative9.8%
Written reviews274 reviews
Positive86.1%
Neutral4.4%
Negative9.5%

CarMD Connect

All ratings8 ratings
Positive87.5%
Neutral0.0%
Negative12.5%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

CarLock

Reported bugs

3 issues
  • GPS location inaccuracies
  • App crashes and freezes
  • Sync issues between device and app

Requested features

4 requests
  • Faster alert notifications
  • More customizable sensor sensitivity
  • Integration with smart home/voice assistants
  • Improved multi-vehicle management

CarMD Connect

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

CarLock

No in-app purchases

None

CarMD Connect

No in-app purchases

Questions

Is CarLock free?
CarLock is free to download, with no in-app purchases.
Is CarMD Connect free?
CarMD Connect is free to download, with no in-app purchases.
Which has better reviews, CarLock or CarMD Connect?
CarMD Connect is rated higher. CarLock averages 4.4 out of 5 from 357 ratings, while CarMD Connect averages 4.5 from 8 ratings.
Do CarLock or CarMD Connect have ads?
Neither CarLock nor CarMD Connect shows ads.
Which is updated more often, CarLock or CarMD Connect?
CarLock ships an update monthly, and CarMD Connect every 3 weeks. Most recently, CarLock was updated on October 20, 2026 and CarMD Connect on October 6, 2026.

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