# Car Sensor vs OBD2 Scanner

The clearest difference is review sentiment: Car Sensor at 100% against OBD2 Scanner's 23%. Car Sensor also leads on in-app purchases (none vs 6) and ads (none vs shown). OBD2 Scanner's advantage is update cadence (monthly vs every 32 months) and ratings volume (1.1K vs 1). On price 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. Car Sensor asks for nothing beyond the download.

Car Sensor holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: OBD2 Scanner has 1.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Car Sensor's written reviews are positive against 23% of OBD2 Scanner's.

Car Sensor ships an update every 32 months, OBD2 Scanner monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Car Sensor | OBD2 Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/car-sensor/id1192617609/reviews)** | [4.6 (1.1K ratings)](https://appshunter.io/ios/app/obd2-scanner-torque-elm-327/id6477899127/reviews) |
| Number of ratings | 1 | **1.1K** |
| Positive reviews | **100.0% of reviews** | 22.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 102 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mathew Yaldo](https://appshunter.io/developer/1148169685) | [Phong Pham](https://appshunter.io/developer/1731047500) |

## What reviewers say

### Car Sensor

[App page](https://appshunter.io/ios/app/car-sensor/id1192617609)

This app connects to specific robotic car sensors, displaying real-time readings. It alerts users when sensor thresholds are exceeded, providing essential monitoring for compatible vehicles.

**Highlights:** Connects to Manoogian robotic car sensors, Connects to similar Arduino sensors, Displays real-time sensor readings, Provides threshold warnings, Supports 2016-2017 Manoogian cars

**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 Car Sensor free?

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

### Is OBD2 Scanner free?

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

### Which has better reviews, Car Sensor or OBD2 Scanner?

Car Sensor is rated higher. Car Sensor averages 5.0 out of 5 from 1 ratings, while OBD2 Scanner averages 4.6 from 1.1K ratings.

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

OBD2 Scanner shows ads; Car Sensor does not.

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

Car Sensor ships an update every 32 months, and OBD2 Scanner monthly. Most recently, Car Sensor was updated on October 24, 2026 and OBD2 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.*