Comparison

FIXD OBD2 Scanner 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

FIXD OBD2 Scanner

This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.

Highlights
  • Translate check engine light codes
  • Understand issue severity
  • Maintenance reminders
  • Issue forecasting
  • Emissions pre-check
  • Mechanic hotline access
Features
Read full description

FIXD makes car care simple and stress-free by translating your car's issues into easy-to-understand language. If your check engine light comes on, FIXD helps you understand the severity of the problem, the potential consequences of continued driving, and what steps you need to take next. Plus, FIXD keeps track of maintenance reminders to help you keep your vehicle running smoothly. With FIXD Premium, you get access to advanced data and deeper insights into your car's health. Unlock features like Issue Forecast to predict potential problems before they happen, Emissions Pre-Check to help you pass your next emissions test, access to our Certified FIXD Mechanic Hotline for help with any car-related questions, and Vehicle History to view the incident and sale history of your vehicle. FIXD Premium helps you stay one step ahead, ensuring your car is always in top shape. All this and more for just $12.99/month or $99.99/year. FIXD Premium is available as an in-app purchase. After your free trial, your iTunes account will be charged, and the subscription will automatically renew (at the original price) unless canceled at least 24 hours before the end of the current period. You can manage your subscription in your iTunes account settings. Please note that any unused portion of a free trial will be forfeited upon purchasing a subscription. https://www.fixdapp.com/terms-of-service https://www.fixdapp.com/fixd-privacy-policy

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

FIXD OBD2 Scanner4 screens
ChkOBD OBD2 Analyzer4 screens

Verdict

The call

The clearest difference is rating: FIXD OBD2 Scanner at 4.6 against ChkOBD OBD2 Analyzer's 3.0. FIXD OBD2 Scanner also leads on update cadence (weekly vs every 3 months) and ratings volume (26K vs 4). ChkOBD OBD2 Analyzer's advantage is iOS requirement (13.0 vs 18.0). 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. FIXD OBD2 Scanner sells 3 in-app purchases, starting at $7.99 per 7 days and ChkOBD OBD2 Analyzer sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FIXD OBD2 Scanner holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: FIXD OBD2 Scanner has 26K ratings behind it against 4, so its average is the more settled of the two.

UpkeepUpdate frequency

FIXD OBD2 Scanner ships an update weekly, ChkOBD OBD2 Analyzer every 3 months. The most recent releases landed on September 25, 2026 and June 5, 2026 respectively.

Scorecard5 real differences · 6 level
FIXD OBD2 Scanner versus ChkOBD OBD2 Analyzer: the parameters behind the verdict, then further details
ParameterFIXD OBD2 ScannerChkOBD OBD2 Analyzer
PriceFreeFree
Rating4.6 (26K ratings) — better3.0 (4 ratings)
Positive reviews59.8% of reviews—
Number of ratings26K — better4
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#44 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size57 MB63 MB
Age rating4+4+
DeveloperFIXD Automotive IncCheck On-Board Diagnostics LLC

Customer experience

FIXD OBD2 Scanner

All ratings25,773 ratings
Positive91.8%
Neutral3.0%
Negative5.2%
Written reviews838 reviews
Positive59.8%
Neutral4.9%
Negative35.3%

ChkOBD OBD2 Analyzer

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

Bugs and requests

FIXD OBD2 Scanner

Reported bugs

4 issues
  • Fails to detect certain error codes
  • Inconsistent Bluetooth pairing
  • Subscription charges without user consent
  • Inability to cancel subscription through app

Requested features

5 requests
  • Ability to manually input maintenance records
  • Clearer indication of subscription requirements
  • Support for more vehicle makes and models
  • Improved diagnostic capabilities for advanced issues
  • Option to disable subscription upsells

ChkOBD OBD2 Analyzer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

FIXD OBD2 Scanner

Subscriptions3
  • Weekly FIXD Premium$7.997 Days
  • Monthly FIXD Premium7 Days trial$12.991 Month
  • Yearly FIXD Premium7 Days trial$99.991 Year
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 FIXD OBD2 Scanner free?
FIXD OBD2 Scanner is free to download, with in-app purchases available.
Is ChkOBD OBD2 Analyzer free?
ChkOBD OBD2 Analyzer is free to download, with in-app purchases available.
Which has better reviews, FIXD OBD2 Scanner or ChkOBD OBD2 Analyzer?
FIXD OBD2 Scanner is rated higher. FIXD OBD2 Scanner averages 4.6 out of 5 from 26K ratings, while ChkOBD OBD2 Analyzer averages 3.0 from 4 ratings.
Do FIXD OBD2 Scanner or ChkOBD OBD2 Analyzer have ads?
Neither FIXD OBD2 Scanner nor ChkOBD OBD2 Analyzer shows ads.
Which is updated more often, FIXD OBD2 Scanner or ChkOBD OBD2 Analyzer?
FIXD OBD2 Scanner ships an update weekly, and ChkOBD OBD2 Analyzer every 3 months. Most recently, FIXD OBD2 Scanner was updated on September 25, 2026 and ChkOBD OBD2 Analyzer on June 5, 2026.

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