Comparison

OBD2 Trouble Code 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

OBD2 Trouble Code

Instantly look up your car's check engine codes on the go. Access a vast database of OBD2 codes with descriptions and potential causes for all major manufacturers. Save your search history for quick reference.

Highlights
  • OBD2 code lookup
  • Check engine code descriptions
  • Possible cause identification
  • All major manufacturers supported
  • Search history
  • Save results
Features
Read full description

OBD2 Code Guide app to look up your car check engine code on the go, powered by the web's largest database of OBD2 code library. Get the description and the possible cause of the check engine code by searching for the code for all of the major manufacturers and now with quick access to your search history and save results to for use at a later date.

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

OBD2 Trouble Code4 screens
ChkOBD OBD2 Analyzer4 screens

Verdict

The call

The clearest difference is in-app purchases: OBD2 Trouble Code at none against ChkOBD OBD2 Analyzer's 4. OBD2 Trouble Code also leads on ratings volume (306 vs 4) and rating (3.3 vs 3.0). 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. OBD2 Trouble Code asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OBD2 Trouble Code holds the better App Store score, 3.3 against 3.0. That said, the two scores are not equally well evidenced: OBD2 Trouble Code has 306 ratings behind it against 4, so its average is the more settled of the two.

Scorecard5 real differences · 5 level
OBD2 Trouble Code versus ChkOBD OBD2 Analyzer: the parameters behind the verdict, then further details
ParameterOBD2 Trouble CodeChkOBD OBD2 Analyzer
PriceFreeFree
Rating3.3 (306 ratings) — better3.0 (4 ratings)
Positive reviews37.0% of reviews—
Number of ratings306 — better4
Update frequency—Every 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better13.0
Further details — not scored
Size24 MB63 MB
Age rating4+4+
DeveloperHassan BenessafiCheck On-Board Diagnostics LLC

Customer experience

OBD2 Trouble Code

All ratings306 ratings
Positive47.7%
Neutral24.5%
Negative27.8%
Written reviews73 reviews
Positive37.0%
Neutral13.7%
Negative49.3%

ChkOBD OBD2 Analyzer

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

Bugs and requests

OBD2 Trouble Code

Reported bugs

6 issues
  • App crashes or won't open without review
  • Ads prevent normal app usage
  • More info button doesn't expand for some codes
  • Incompatibility with certain vehicle models
  • Mislabeled codes (P0450-P0459)
Show 1 more
  • Connection issues with some OBD readers

Requested features

5 requests
  • More detailed code explanations
  • Offline functionality
  • Better navigation for new users
  • Support for codes without letter prefixes
  • Expanded information sections for specific codes

ChkOBD OBD2 Analyzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

OBD2 Trouble Code

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 OBD2 Trouble Code free?
OBD2 Trouble Code 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, OBD2 Trouble Code or ChkOBD OBD2 Analyzer?
OBD2 Trouble Code is rated higher. OBD2 Trouble Code averages 3.3 out of 5 from 306 ratings, while ChkOBD OBD2 Analyzer averages 3.0 from 4 ratings.
Do OBD2 Trouble Code or ChkOBD OBD2 Analyzer have ads?
Neither OBD2 Trouble Code nor ChkOBD OBD2 Analyzer shows ads.

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