# AERMOTOR vs OBD2 Car Scanner

The clearest difference is in-app purchases: AERMOTOR at none against OBD2 Car Scanner's 3. AERMOTOR also leads on ads (none vs shown) and iOS requirement (9.0 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. AERMOTOR asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AERMOTOR | OBD2 Car Scanner |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 76 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [东海 刘](https://appshunter.io/developer/1643660653) | [Digital Car Key LLC](https://appshunter.io/developer/1693551925) |

## What reviewers say

### AERMOTOR

[App page](https://appshunter.io/ios/app/aermotor/id1659992659)

**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 AERMOTOR free?

AERMOTOR 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 AERMOTOR or OBD2 Car Scanner have ads?

OBD2 Car Scanner shows ads; AERMOTOR does not.

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

AERMOTOR ships an update every 5 weeks, and OBD2 Car Scanner every 5 weeks. Most recently, AERMOTOR was updated on September 9, 2026 and OBD2 Car Scanner on September 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.*