# AERMOTOR vs OBD2 Scanner

The clearest difference is in-app purchases: AERMOTOR at none against OBD2 Scanner's 6. AERMOTOR also leads on ads (none vs shown) and iOS requirement (9.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. OBD2 Scanner sells 6 in-app purchases, starting at $6.99 per 7 days. AERMOTOR asks for nothing beyond the download.

AERMOTOR ships an update every 5 weeks, OBD2 Scanner monthly. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AERMOTOR | OBD2 Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (933 ratings)](https://appshunter.io/ios/app/obd2-scanner-torque-elm-327/id6477899127/reviews)** |
| Number of ratings | — | **933** |
| Positive reviews | — | 24.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 76 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [东海 刘](https://appshunter.io/developer/1643660653) | [Phong Pham](https://appshunter.io/developer/1731047500) |

## What reviewers say

### AERMOTOR

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

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD2 Scanner

[App page](https://appshunter.io/ios/app/obd2-scanner-torque-elm-327/id6477899127)

Transform your smartphone into a powerful car diagnostic tool. Monitor real-time engine data, read and clear trouble codes, and track your vehicle's performance. Customize your dashboard and access repair manuals to understand and fix issues.

**Highlights:** Real-time engine data monitoring, Read and clear trouble codes, Performance tracking, Customizable dashboards, Repair manual database, Compatibility with OBD2 ELM327 adapters

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium weeky freetrial | $6.99 | per 7 days |
| Premium Weekly | $7.99 | per 7 days |
| Premium Monthly | $14.99 | per month |
| Premium Monthly | $17.99 | per month |
| Premium Yearly | $59.99 | per year |
| Lifetime Premium | $69.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use setup
- ✅ Works well for some vehicle models
- ⭐ Useful for basic OBD2 scanning

**What reviewers complain about**

- 💰 Expensive pricing for limited functionality
- 🐛 Bluetooth connection drops frequently
- ❌ Poor compatibility with many vehicle models
- 📱 Deceptive UI with hidden exit menus
- 🔒 Security concerns and unauthorized charges

**Reported bugs**

- Bluetooth connection drops and requires reboot
- App fails to connect to OBD2 devices
- Sensors display N/A values in paid version
- Cannot select vehicle profile
- App crashes or becomes unresponsive

**Requested features**

- Oil temperature and transmission data
- Wheel sensor information
- Pending DTC display
- Permanent check engine light clearing
- Module-specific scanning selection


## Frequently asked questions

### Is AERMOTOR free?

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

### Is OBD2 Scanner free?

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

### Do AERMOTOR or OBD2 Scanner have ads?

OBD2 Scanner shows ads; AERMOTOR does not.

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

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