ThinkCar pro vs Dollarfix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ThinkCar pro
This app provides professional-level vehicle diagnostics, including reading and clearing fault codes, accessing data streams, and performing special functions. It supports a wide range of car manufacturers and offers features like automatic VIN reading and report generation. Connect with other users in the community for support.
- OE-level professional functions
- Full OBD II diagnosis
- Maintenance light reset
- Support for 39+ manufacturers
- Automatic VIN reading
- Fault code interpretation
- Diagnostic report generation
- User community
Read full descriptionHide full description
1. Profession functions refer to OE level functions, such as read/clear code, data flow diagram, read ECU, drive test, bidirectional special functions, etc. 2. Support full-function OBD II diagnosis, read data flow, freeze frame read IM/real-time data, read/clear fault code, vehicle on-board monitoring/computer system control operation and read vehicle information. 3. Support vehicle maintenance light return to normal. 4. Select any vehicle diagnostic software, covering up to 39 major automobile manufacturers. 5. Support automatic VIN reading and one-key diagnosis. 6. Clear interpretation of fault codes and generate professional diagnostic reports. 7. Be able to communicate with other users within the ThinkDiag community (share/help/support).
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.
- 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
Read full descriptionHide 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
Verdict
ThinkCar pro and Dollarfix both sit at 4.6 stars, but that hides the real split: 90% of Dollarfix's written reviews are positive against 62% of ThinkCar pro's. Dollarfix also leads on update cadence (every 3 weeks vs every 5 months). ThinkCar pro's advantage is ratings volume (323 vs 57) and iOS requirement (9.0 vs 13.0). On price, rating, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for ThinkCar pro against 4.7 for Dollarfix. That said, the two scores are not equally well evidenced: ThinkCar pro has 323 ratings behind it against 57, so its average is the more settled of the two. Written reviews are what separate them: 62% of ThinkCar pro's written reviews are positive against 90% of Dollarfix's.
ThinkCar pro ships an update every 5 months, Dollarfix every 3 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | ThinkCar pro | Dollarfix |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (323 ratings) | 4.7 (57 ratings) — better |
| Positive reviews | 61.7% of reviews | 90.3% of reviews — better |
| Number of ratings | 323 — better | 57 |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 325 MB | 888 MB |
| Age rating | 17+ | 17+ |
| Developer | THINKCAR INC | MATL TECH INC. |
Customer experience
ThinkCar pro
Dollarfix
Bugs and requests
ThinkCar pro
Reported bugs
9 issues- App crashes and resets unexpectedly
- TPMS functionality not working
- Password registration issues
- Slow app loading times
- Graphs not rendering in engine parameters
Show 4 moreShow fewer
- OBD2 value reading failures
- Firmware update failures
- ABS bleeding process extremely slow
- App crashes after updates
Requested features
7 requests- PDF export and sharing functionality
- Multiple parameters on single graph
- Data export for external analysis
- Support for LPG/LPI fuel vehicles
- Support for VAZ vehicles
Show 2 moreShow fewer
- Automatic VIN identification
- Improved app stability and performance
Dollarfix
Not enough reviews yet to summarise bugs or requests.
In-app purchases
ThinkCar pro
No in-app purchases
Dollarfix
No in-app purchases
Questions
Is ThinkCar pro free?
Is Dollarfix free?
Which has better reviews, ThinkCar pro or Dollarfix?
Do ThinkCar pro or Dollarfix have ads?
Which is updated more often, ThinkCar pro or Dollarfix?
Other comparisons















