# OBD2 Car Scanner vs OBD Compass

The clearest difference is in-app purchases: OBD Compass at none against OBD2 Car Scanner's 3. OBD Compass also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence 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. OBD Compass asks for nothing beyond the download.

OBD2 Car Scanner ships an update every 5 weeks, OBD Compass monthly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | OBD2 Car Scanner | OBD Compass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (1.3K ratings)](https://appshunter.io/ios/app/obd2-car-scanner-torque-fixd/id6479870894/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 3.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 25 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Digital Car Key LLC](https://appshunter.io/developer/1693551925) | [HK TOPDON TECHNOLOGY Co., LIMITED](https://appshunter.io/developer/1846276192) |

## What reviewers say

### 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


### OBD Compass

[App page](https://appshunter.io/ios/app/obd-compass/id6758076036)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD2 Car Scanner free?

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

### Is OBD Compass free?

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

### Do OBD2 Car Scanner or OBD Compass have ads?

OBD2 Car Scanner shows ads; OBD Compass does not.

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

OBD2 Car Scanner ships an update every 5 weeks, and OBD Compass monthly. Most recently, OBD2 Car Scanner was updated on September 22, 2026 and OBD Compass on September 23, 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.*