Comparison

ThinkDriver vs ChkOBD OBD2 Analyzer

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

Head to head
About

ThinkDriver

This diagnostic tool allows car owners to perform full system vehicle checks, going beyond standard OBDII functionality. It provides immediate insights into potential car issues, acting as a comprehensive helper for vehicle maintenance.

Highlights
  • Full system vehicle diagnostics
  • Advanced OBDII alternative
  • Immediate issue detection
  • DIY car maintenance helper
Features
Read full description

THINKDRIVER, a DIY diagnostic product, which is extremely close to professional diagnostic tools, goodbye to normal OBDII dongle. THINKDRIVER can let all car owners to test the full system of the vehicle, much more than the OBDII. Now, THINKDRIVER will be the best helper for every car owner! This is the ultimate car diagnostic connector that allows you to easily and immediately know whether you should be aware of any issues with your car.

About

ChkOBD OBD2 Analyzer

Connect your iPhone or iPad to your car's engine to view vital data. Access basic engine values for free, with in-app purchases for advanced diagnostics, smog check readiness, VIN analysis, and error decoding.

Highlights
  • View engine values
  • In-app purchase for advanced data
  • Smog Check Assistant
  • VIN Analyzer
  • Error Decoder and Reset
  • Bluetooth adapter compatibility check
Features
Read full description

ChkOBD let you connect your iPhone and iPad to your Car and view the most important Engine values in a very intuitive user interface in an appealing user-friendly way. ChkOBD connects wirelessly to an ELM237 enabled OBDII - Bluetooth adapter which is readily available from many 3rd party vendors. From this free application that let you have access to the basic “Engine Values”, you will have In-App purchase to access additional information such as : . Advanced Engine Values, an extended choice of sensors available on your car, that you can select and monitor. The available Engine Value from your car, are all listed in a “grey” mode, so, you will have no surprise of what you will get (or not get !) after the In App purchase . Smog Check Assistant, to know if your car will pass the next Smog Check at the state official station, or the App will let you know what needs to be fixed, before driving there, . VIN Analyzer, will let you know what information is in the “government file” from your car, including date and place of manufacturing, . Error Decoder and Reset, to know what is the current error that is in the Memory of the computer of your car and let you have a way to try to reset this error (Normally, it comes back on, if the cause of the error is not mechanically fixed). This is an error scan that is going through about 4'000 possible errors. Usually all these information will be read from all car that have been sold in the USA after 2005. The fact that these applications are offered from inside a free app, in our side, from this free app, we are able to check before any of your purchase, that your car and your Bluetooth adapter will be 100% compatible with these applications. We are using this technology to try to provide to our customers the best possible satisfaction.

Screenshots

ThinkDriver2 screens
ChkOBD OBD2 Analyzer4 screens

Verdict

The call

The clearest difference is rating: ThinkDriver at 4.5 against ChkOBD OBD2 Analyzer's 3.0. ThinkDriver also leads on in-app purchases (none vs 4) and ratings volume (270 vs 4). On price, ads and device support 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. ChkOBD OBD2 Analyzer sells 4 in-app purchases, starting at $4.99 per month. ThinkDriver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ThinkDriver holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: ThinkDriver has 270 ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

ThinkDriver ships an update monthly, ChkOBD OBD2 Analyzer every 3 months. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

Scorecard6 real differences · 4 level
ThinkDriver versus ChkOBD OBD2 Analyzer: the parameters behind the verdict, then further details
ParameterThinkDriverChkOBD OBD2 Analyzer
PriceFreeFree
Rating4.5 (270 ratings) — better3.0 (4 ratings)
Positive reviews57.6% of reviews—
Number of ratings270 — better4
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better13.0
Further details — not scored
Size325 MB63 MB
Age rating17+4+
DeveloperTHINKCAR INCCheck On-Board Diagnostics LLC

Customer experience

ThinkDriver

All ratings270 ratings
Positive86.7%
Neutral4.8%
Negative8.5%
Written reviews33 reviews
Positive57.6%
Neutral0.0%
Negative42.4%

ChkOBD OBD2 Analyzer

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

ThinkDriver

Reported bugs

10 issues
  • Keeps shutting down during scan
  • Scanner does not work
  • Not working with 2022 subscription update
  • Device won't work after getting a new phone
  • Keeps asking to activate device, then pay again
Show 5 more
  • Doesn't recognize older cars (pre-2014)
  • App ALWAYS crashes
  • Machine doesn't read VIN
  • App falls when needing special functions
  • Doesn't work when VIN manual entry fails

Requested features

2 requests
  • Add payment with Apple Cash
  • Install just a code scanner icon

ChkOBD OBD2 Analyzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ThinkDriver

No in-app purchases

4 purchases

ChkOBD OBD2 Analyzer

Subscriptions1
  • Smog Check Assistant$4.991 Month
One-time3
  • VIN Analyzer$1.99
  • Error Analyzer$2.99
  • Advance Engine Values$4.99

Questions

Is ThinkDriver free?
ThinkDriver is free to download, with no in-app purchases.
Is ChkOBD OBD2 Analyzer free?
ChkOBD OBD2 Analyzer is free to download, with in-app purchases available.
Which has better reviews, ThinkDriver or ChkOBD OBD2 Analyzer?
ThinkDriver is rated higher. ThinkDriver averages 4.5 out of 5 from 270 ratings, while ChkOBD OBD2 Analyzer averages 3.0 from 4 ratings.
Do ThinkDriver or ChkOBD OBD2 Analyzer have ads?
Neither ThinkDriver nor ChkOBD OBD2 Analyzer shows ads.
Which is updated more often, ThinkDriver or ChkOBD OBD2 Analyzer?
ThinkDriver ships an update monthly, and ChkOBD OBD2 Analyzer every 3 months. Most recently, ThinkDriver was updated on October 7, 2026 and ChkOBD OBD2 Analyzer on September 27, 2026.

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