# OBD2 Codes Pro Auto offline vs ChkOBD OBD2 Analyzer

The clearest difference is in-app purchases: OBD2 Codes Pro Auto offline at none against ChkOBD OBD2 Analyzer's 4. OBD2 Codes Pro Auto offline also leads on ratings volume (15 vs 4) and iOS requirement (8.0 vs 13.0). ChkOBD OBD2 Analyzer's advantage is rating (3.0 vs 2.8). On price, ads and device support there is nothing between them.

Both are free to download. ChkOBD OBD2 Analyzer sells 4 in-app purchases, starting at $4.99 per month. OBD2 Codes Pro Auto offline asks for nothing beyond the download.

ChkOBD OBD2 Analyzer holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 15 and 4 respectively.

## The numbers

| Metric | OBD2 Codes Pro Auto offline | ChkOBD OBD2 Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (15 ratings)](https://appshunter.io/ios/app/obd2-codes-pro-auto-offline/id1434535078/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/chkobd-obd2-analyzer/id1511585011/reviews)** |
| Number of ratings | **15** | 4 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 63 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hassan Benessafi](https://appshunter.io/developer/1463795701) | [Check On-Board Diagnostics LLC](https://appshunter.io/developer/1511585010) |

## What reviewers say

### OBD2 Codes Pro Auto offline

[App page](https://appshunter.io/ios/app/obd2-codes-pro-auto-offline/id1434535078)

Access a comprehensive offline database of OBD2 (OBDII) codes for all major car manufacturers. Look up check engine codes, view descriptions, and identify possible causes on the go. Save your search history for quick reference.

**Highlights:** Offline OBD2 code database, Generic and manufacturer-specific codes, Check engine code descriptions, Possible cause identification, Search history, Save search results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ChkOBD OBD2 Analyzer

[App page](https://appshunter.io/ios/app/chkobd-obd2-analyzer/id1511585011)

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:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smog Check Assistant | $4.99 | per month |
| VIN Analyzer | $1.99 | one-time |
| Error Analyzer | $2.99 | one-time |
| Advance Engine Values | $4.99 | one-time |


## Frequently asked questions

### Is OBD2 Codes Pro Auto offline free?

OBD2 Codes Pro Auto offline 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 Codes Pro Auto offline or ChkOBD OBD2 Analyzer?

ChkOBD OBD2 Analyzer is rated higher. OBD2 Codes Pro Auto offline averages 2.8 out of 5 from 15 ratings, while ChkOBD OBD2 Analyzer averages 3.0 from 4 ratings.

### Do OBD2 Codes Pro Auto offline or ChkOBD OBD2 Analyzer have ads?

Neither OBD2 Codes Pro Auto offline nor ChkOBD OBD2 Analyzer shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*