ChkOBD OBD2 Analyzer
Check On-Board Diagnostics LLC Utilities iPhoneiPadiPod touch
ChkOBD OBD2 Analyzer is a free Utilities app for iPhone and iPad by Check On-Board Diagnostics LLC. Rated 3.0/5 from 4 ratings. Requires iOS 13.0.
- Rating
- 3.0
- 4 ratings
- Price
- Free
- on the App Store
- Size
- 63 MB
- Age 4+
- Updated
- Mar 26
- 2026 · v3.1.5
Screenshots
About ChkOBD OBD2 Analyzer
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.
What’s new
Version 3.1.5 · Updated March 26, 2026
Security updates and patches
App privacy
The developer, Check On-Board Diagnostics LLC, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Precise Location, Coarse Location
- Contact Info: Email Address
- Identifiers: User ID
- Diagnostics: Crash Data
- Other Data: Other Data Types
Used for: App Functionality
Alternatives to ChkOBD OBD2 Analyzer
Looking for apps like ChkOBD OBD2 Analyzer? Here are 6 similar apps on the App Store. The highest rated is Dauntless OBD (5.0/5), and all 6 are free to download.
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Dauntless OBD
5.0
-
OBDGO PRO
4.5
-
ELMCheck
5.0
-
OBDPulse OBD2 Car Scanner
5.0
-
LELink Scanner
5.0
-
NexzScan
2.1
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ChkOBD OBD2 Analyzer | 3.0 / 5 (4 ratings) | Free | March 26, 2026 | |
| Dauntless OBD | 5.0 / 5 (12) | Free | Oct 17, 2026 | Compare |
| OBDGO PRO | 4.5 / 5 (31) | Free | May 27, 2025 | Compare |
| ELMCheck | 5.0 / 5 (1) | Free | Oct 23, 2026 | Compare |
| OBDPulse OBD2 Car Scanner | 5.0 / 5 (1) | Free | Oct 9, 2026 | Compare |
| LELink Scanner | 5.0 / 5 (1) | Free | Mar 26, 2025 | Compare |
| NexzScan | 2.1 / 5 (27) | Free | Oct 14, 2026 | Compare |