Comparison

MAXOBD vs Dollarfix

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

Dollarfix

A social platform for car enthusiasts to share content, join communities, and get expert advice. It also offers vehicle diagnostic services, connecting to devices for OBD functions and maintenance checks.

Highlights
  • Automotive content sharing and discussion
  • Create and join car communities
  • Real-time car news and updates
  • Connect with car experts
  • Software diagnostic function
  • OBD functions and vehicle maintenance
Features
Read full description

dollarfix is a social media platform suitable for every car enthusiast. Whether you are an ordinary car owner, a maintenance engineer, a DIY enthusiast, a social media influencer, or any user who is interested in cars, you can participate in hot topics, post and browse interesting and useful content, as well as create and join favorite communities on dollarfix. dollarfix focuses on the sharing and discussion of various automotive content, ranging from the brand history of cars, model comparisons, performance evaluations to modification techniques and so on. You can find any car-related topics that come to your mind. Each automotive topic can have its own dedicated discussion section, where you can share your own stories about your beloved cars, show off the wonderful moments with your cars, or explore the little secrets of car maintenance. It gathers automotive information sources from all over the world and provides users with the most timely and accurate car news. Whether it's the release of new cars, vehicle recall information, or the latest developments in the automotive industry, all can be delivered to you as soon as possible. It's easy to find fellow car enthusiasts on dollarfix. It's of great help in aspects like car maintenance. When your car has a strange malfunction, you can ask car owners with the same model for advice on dollarfix. They may have already encountered the same problem and know how to solve it. Meanwhile, car owners can also organize self-driving tour activities together, plan unique car travel routes, and share the beautiful scenery and interesting stories during the journey. Moreover, the official will also organize car enthusiasts' activities regularly to jointly build the community. dollarfix has invited numerous experts in the automotive industry to join the app. They have profound achievements in various fields such as automotive engineering, design, and maintenance. Whether you are curious about the working principle of car engines or are hesitant when choosing a car, you can ask the experts questions and get professional answers. It's just like having a team of car consultants who are always online to safeguard your car life. dollarfix is equipped with a software diagnostic function and is an application that can provide users with vehicle diagnostic services. It can connect with diagnostic devices via Bluetooth to achieve a full range of services such as OBD (On-Board Diagnostics) functions, enhanced system diagnostics, and vehicle maintenance. This enables you to easily check the health status of your vehicle and quickly locate the causes of vehicle failures without having to go to an auto repair shop.

Screenshots

MAXOBD4 screens
Dollarfix4 screens

Verdict

The call

The clearest difference is review sentiment: Dollarfix at 90% against MAXOBD's 29%. Dollarfix also leads on rating (4.7 vs 2.4) and ratings volume (55 vs 7). 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

Dollarfix holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: Dollarfix has 55 ratings behind it against 7, 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 90% of Dollarfix's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
MAXOBD versus Dollarfix: the parameters behind the verdict, then further details
ParameterMAXOBDDollarfix
PriceFreeFree
Rating2.4 (7 ratings)4.7 (55 ratings) — better
Positive reviews28.6% of reviews90.3% of reviews — better
Number of ratings755 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size47 MB894 MB
Age rating17+17+
Developer祖策 谢MATL TECH INC.

Customer experience

MAXOBD

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

Dollarfix

All ratings55 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews62 reviews
Positive90.3%
Neutral0.0%
Negative9.7%

In-app purchases

None

MAXOBD

No in-app purchases

None

Dollarfix

No in-app purchases

Questions

Is MAXOBD free?
MAXOBD is free to download, with no in-app purchases.
Is Dollarfix free?
Dollarfix is free to download, with no in-app purchases.
Which has better reviews, MAXOBD or Dollarfix?
Dollarfix is rated higher. MAXOBD averages 2.4 out of 5 from 7 ratings, while Dollarfix averages 4.7 from 55 ratings.
Do MAXOBD or Dollarfix have ads?
Neither MAXOBD nor Dollarfix shows ads.
Which is updated more often, MAXOBD or Dollarfix?
MAXOBD ships an update every 3 weeks, and Dollarfix every 3 weeks. Most recently, MAXOBD was updated on September 30, 2026 and Dollarfix on October 1, 2026.

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