Comparison

ThinkCar pro vs BM500

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

Head to head
About

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.

Highlights
  • 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
Features
Read 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).

About

BM500

This application connects to Bluetooth battery testers to perform comprehensive battery health checks. Users can easily test battery condition, cranking, and charging systems, with the ability to save and share professional results.

Highlights
  • Bluetooth connectivity to battery testers
  • Battery condition testing
  • Cranking system testing
  • Charging system testing
  • Save test data
  • Share professional results
Features
Read full description

BM500 is the App used for Bluetooth battery tester. It connects battery tester devices via Bluetooth. User can easily do test on battery condition, cranking and charging systems. All data can be saved and historical professional result can be shared.

Screenshots

ThinkCar pro2 screens
BM5004 screens

Verdict

The call

The clearest difference is review sentiment: ThinkCar pro at 62% against BM500's 0%. ThinkCar pro also leads on rating (4.6 vs 3.0) and ratings volume (379 vs 2). BM500's advantage is update cadence (fortnightly vs every 5 months). On price, ads, in-app purchases and monetization model 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

ThinkCar pro holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: ThinkCar pro has 379 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 62% of ThinkCar pro's written reviews are positive against 0% of BM500's.

UpkeepUpdate frequency

ThinkCar pro ships an update every 5 months, BM500 fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
ThinkCar pro versus BM500: the parameters behind the verdict, then further details
ParameterThinkCar proBM500
PriceFreeFree
Rating4.6 (379 ratings) — better3.0 (2 ratings)
Positive reviews61.7% of reviews — better0.0% of reviews
Number of ratings379 — better2
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size325 MB8 MB
Age rating17+4+
DeveloperTHINKCAR INC亮 侯

Customer experience

ThinkCar pro

All ratings323 ratings
Positive89.5%
Neutral1.5%
Negative9.0%
Written reviews60 reviews
Positive61.7%
Neutral5.0%
Negative33.3%

BM500

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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 more
  • 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 more
  • Automatic VIN identification
  • Improved app stability and performance

BM500

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ThinkCar pro

No in-app purchases

None

BM500

No in-app purchases

Questions

Is ThinkCar pro free?
ThinkCar pro is free to download, with no in-app purchases.
Is BM500 free?
BM500 is free to download, with no in-app purchases.
Which has better reviews, ThinkCar pro or BM500?
ThinkCar pro is rated higher. ThinkCar pro averages 4.6 out of 5 from 379 ratings, while BM500 averages 3.0 from 2 ratings.
Do ThinkCar pro or BM500 have ads?
Neither ThinkCar pro nor BM500 shows ads.
Which is updated more often, ThinkCar pro or BM500?
ThinkCar pro ships an update every 5 months, and BM500 fortnightly. Most recently, ThinkCar pro was updated on November 7, 2026 and BM500 on November 3, 2026.

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