# KENNOL vs OBD2 Car Scanner

The clearest difference is in-app purchases: KENNOL at none against OBD2 Car Scanner's 3. KENNOL also leads on iOS requirement (13.0 vs 15.0). OBD2 Car Scanner's advantage is update cadence (every 5 weeks vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. OBD2 Car Scanner sells 3 in-app purchases, starting at $4.99 per 7 days. KENNOL asks for nothing beyond the download.

KENNOL ships an update every 6 months, OBD2 Car Scanner every 5 weeks. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KENNOL | OBD2 Car Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (1.5K ratings)](https://appshunter.io/ios/app/obd2-car-scanner-torque-fixd/id6479870894/reviews)** |
| Number of ratings | — | **1.5K** |
| Positive reviews | — | 3.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 41 MB | 76 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KENNOL Performance Oil](https://appshunter.io/developer/1230953709) | [Digital Car Key LLC](https://appshunter.io/developer/1693551925) |

## What reviewers say

### KENNOL

[App page](https://appshunter.io/ios/app/kennol/id690126350)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 KENNOL free?

KENNOL is free to download, with no in-app purchases.

### Is OBD2 Car Scanner free?

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

### Do KENNOL or OBD2 Car Scanner have ads?

Both KENNOL and OBD2 Car Scanner show ads.

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

KENNOL ships an update every 6 months, and OBD2 Car Scanner every 5 weeks. Most recently, KENNOL was updated on October 12, 2026 and OBD2 Car Scanner on October 25, 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.*