Comparison

MAXOBD vs Garage Guy

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

Head to head
About

MAXOBD

This utility app allows car owners to detect vehicle faults by connecting to standard OBD protocol devices. It enables users to read trouble codes, view real-time data, and access performance parameters, with enhanced features when using specific hardware. The goal is to simplify vehicle management and early problem detection.

Highlights
  • Vehicle fault detection
  • Connects with standard OBD devices
  • Read trouble codes
  • View real-time data
  • Access performance parameters
  • Clear trouble codes (with specific hardware)
Features
Read full description

This MAXOBD app is designed for all car owners, providing convenient vehicle fault detection services. It supports connection with standard OBD protocol devices, allowing users to perform common OBD scans and quickly check the health of their vehicles. By connecting to the OBD device, users can easily read the vehicle’s trouble codes, view real-time data, and access various performance parameters. In particular, if users connect a Konnwei device, they can enjoy more advanced features, including scanning more fault information and clearing trouble codes. This helps car owners not only identify potential vehicle issues but also clear trouble codes and restore the vehicle to normal operation. The goal of this app is to make it easier for every car owner to manage their vehicle, detect problems early, avoid costly repairs, and ensure the vehicle is always in the best running condition. Whether for regular health checks or quick diagnostics when a fault occurs, this app will be a reliable assistant for your car care

About

Garage Guy

Manage your vehicle's service history, mileage, and expenses effortlessly. Track maintenance schedules, insurance, and tire details with offline access and no ads. Generate service history reports for selling your car.

Highlights
  • Service and maintenance schedules
  • Service and repair records
  • Mileage tracking with service estimates
  • Insurance and inspection date reminders
  • Tire set management
  • Cost tracking by category
  • Data export and import
Features
Read full description

Know what your car needs next. Garage Guy keeps your service history, mileage, tires, insurance and inspection dates in one place. No account, no ads, and it works offline. Open it and see at once what needs attention, what the car has cost you, and what has already been done. No spreadsheets, no shoebox of receipts. SERVICE AND MAINTENANCE • Maintenance schedules for oil, filters, brakes, belts and more, due by whichever comes first: mileage or time • Service and repair records with the workshop, cost and parts used • Mileage with an estimate of the next service, based on your own driving pace • Photos, receipts and PDFs stay with the record they belong to DATES AND REMINDERS • Insurance, inspection (such as MOT or KTEO), road tax and warranty expiry dates, with a reminder before each one TIRES • Tire sets with season, brand, DOT code and age COSTS • Fuel, tolls, parking, cleaning, accessories and more, by category and by month, with charts TIMELINE AND MORE THAN ONE CAR • A timeline of everything that has happened to the car, with search and filters • Add every vehicle you own and set one as primary for the Home screen • Quick Add, for logging something the moment you remember it • Export and import your data SELLING THE CAR One tap creates a PDF of the service history you have logged: mileage, each service with date and cost (if you entered one), tires and expiry dates (insurance, inspection). It is your own record, not a certificate or the manufacturer's service book. Private documents and receipt photos are never included automatically. Check the PDF before you send it: it includes costs. PRIVATE BY DESIGN Garage Guy works fully offline. No account, no sign-in, no ads, nothing is uploaded anywhere. Your data leaves your iPhone only if you export or share it. LANGUAGES English, German, Greek, French and Italian. Change the language any time in Settings. Screenshots show fictional sample data.

Screenshots

MAXOBD4 screens
Garage Guy4 screens

Verdict

The call

The clearest difference is review sentiment: Garage Guy at 100% against MAXOBD's 29%. Garage Guy also leads on rating (5.0 vs 2.4). MAXOBD's advantage is ratings volume (7 vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases 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

Garage Guy holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: MAXOBD has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 29% of MAXOBD's written reviews are positive against 100% of Garage Guy's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
MAXOBD versus Garage Guy: the parameters behind the verdict, then further details
ParameterMAXOBDGarage Guy
PriceFreeFree
Rating2.4 (7 ratings)5.0 (1 ratings) — better
Positive reviews28.6% of reviews100.0% of reviews — better
Number of ratings7 — better1
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better18.0
Further details — not scored
Size47 MB2 MB
Age rating17+4+
Developer祖策 谢Marios Gavriil

Customer experience

MAXOBD

All ratings7 ratings
Positive28.6%
Neutral14.3%
Negative57.1%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

Garage Guy

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MAXOBD

No in-app purchases

None

Garage Guy

No in-app purchases

Questions

Is MAXOBD free?
MAXOBD is free to download, with no in-app purchases.
Is Garage Guy free?
Garage Guy is free to download, with no in-app purchases.
Which has better reviews, MAXOBD or Garage Guy?
Garage Guy is rated higher. MAXOBD averages 2.4 out of 5 from 7 ratings, while Garage Guy averages 5.0 from 1 ratings.
Do MAXOBD or Garage Guy have ads?
Neither MAXOBD nor Garage Guy shows ads.
Which is updated more often, MAXOBD or Garage Guy?
MAXOBD ships an update every 3 weeks, and Garage Guy every 3 weeks. Most recently, MAXOBD was updated on October 24, 2026 and Garage Guy on October 21, 2026.

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