# ChkOBD OBD2 Analyzer vs OBD2 Car Scanner

The clearest difference is rating: OBD2 Car Scanner at 3.8 against ChkOBD OBD2 Analyzer's 3.0. OBD2 Car Scanner also leads on ratings volume (1.5K vs 4). ChkOBD OBD2 Analyzer's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. ChkOBD OBD2 Analyzer sells 4 in-app purchases, starting at $4.99 per month and OBD2 Car Scanner sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

OBD2 Car Scanner holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: OBD2 Car Scanner has 1.5K ratings behind it against 4, so its average is the more settled of the two.

ChkOBD OBD2 Analyzer ships an update every 3 months, OBD2 Car Scanner every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ChkOBD OBD2 Analyzer | OBD2 Car Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/chkobd-obd2-analyzer/id1511585011/reviews) | **[3.8 (1.5K ratings)](https://appshunter.io/ios/app/obd2-car-scanner-torque-fixd/id6479870894/reviews)** |
| Number of ratings | 4 | **1.5K** |
| Positive reviews | — | 3.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 63 MB | 59 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Check On-Board Diagnostics LLC](https://appshunter.io/developer/1511585010) | [Digital Car Key LLC](https://appshunter.io/developer/1693551925) |

## What reviewers say

### 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 |


### OBD2 Car Scanner

[App page](https://appshunter.io/ios/app/obd2-car-scanner-torque-fixd/id6479870894)

Diagnose your car's engine and transmission with real-time data, customizable dashboards, and emissions readiness checks. This app connects to your vehicle's OBD2 system via Wi-Fi or Bluetooth for comprehensive maintenance and performance insights.

**Highlights:** Comprehensive diagnostics, Customizable dashboard, Real-time monitoring, Emissions readiness check, ECU self-monitoring test, HUD mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $4.99 | per 7 days |
| Monthly Premium Subscription | $11.99 | per month |
| Lifetime Premium | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use

**What reviewers complain about**

- 🚫 Doesn't work as expected
- 💰 Expensive subscription
- 🛑 Difficult to cancel subscription
- 🤖 Intrusive ads
- 🔌 Connectivity issues

**Reported bugs**

- App crashes frequently
- Unable to register device
- Inaccurate diagnostic readings

**Requested features**

- Free trial option
- Compatibility with more vehicle models


## Frequently asked questions

### Is ChkOBD OBD2 Analyzer free?

ChkOBD OBD2 Analyzer is free to download, with in-app purchases available.

### Is OBD2 Car Scanner free?

OBD2 Car Scanner is free to download, with in-app purchases available.

### Which has better reviews, ChkOBD OBD2 Analyzer or OBD2 Car Scanner?

OBD2 Car Scanner is rated higher. ChkOBD OBD2 Analyzer averages 3.0 out of 5 from 4 ratings, while OBD2 Car Scanner averages 3.8 from 1.5K ratings.

### Do ChkOBD OBD2 Analyzer or OBD2 Car Scanner have ads?

OBD2 Car Scanner shows ads; ChkOBD OBD2 Analyzer does not.

### Which is updated more often, ChkOBD OBD2 Analyzer or OBD2 Car Scanner?

ChkOBD OBD2 Analyzer ships an update every 3 months, and OBD2 Car Scanner every 2 months. Most recently, ChkOBD OBD2 Analyzer was updated on November 3, 2026 and OBD2 Car Scanner on November 4, 2026.

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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.*