# Carista OBD2 vs Car Sensor

The clearest difference is review sentiment: Car Sensor at 100% against Carista OBD2's 34%. Car Sensor also leads on in-app purchases (none vs 14) and ads (none vs shown). Carista OBD2's advantage is update cadence (every 3 weeks vs every 32 months) and ratings volume (4.2K vs 1). On price and device support there is nothing between them.

Both are free to download. Carista OBD2 sells 6 in-app purchases, starting at $19.99 per month. 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: Carista OBD2 has 4.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 34% of Carista OBD2's written reviews are positive against 100% of Car Sensor's.

Carista OBD2 ships an update every 3 weeks, Car Sensor every 32 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Carista OBD2 | Car Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.2K ratings)](https://appshunter.io/ios/app/carista-obd2/id954363569/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/car-sensor/id1192617609/reviews)** |
| Number of ratings | **4.2K** | 1 |
| Positive reviews | 34.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 32 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#180** | — |
| Size | 142 MB | 9 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Prizmos](https://appshunter.io/developer/954363568) | [Mathew Yaldo](https://appshunter.io/developer/1148169685) |

## What reviewers say

### Carista OBD2

[App page](https://appshunter.io/ios/app/carista-obd2/id954363569)

**Currently charting:** #180 Top Grossing · Utilities (US App Store)

This app acts as a DIY car mechanic, allowing you to customize features, diagnose warning lights, monitor live data, and perform maintenance. Save time and money by handling common car tasks yourself.

**Highlights:** Customize car behavior and unlock hidden features, Diagnose and reset dashboard warning lights, Monitor real-time vehicle parameters, Perform simple DIY car maintenance procedures, Access advanced electronic diagnostics

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $19.99 | per month |
| Pro | $19.99 | per month |
| 1 month Pro | $19.99 | per month |
| 3 month Pro | $29.99 | per 3 months |
| Pro | $59.99 | per year |
| One-Time Diagnostic & Reset | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Customization options
- 🚀 Efficient diagnostics
- 💡 Helpful for maintenance
- 👍 Great customer support

**What reviewers complain about**

- 💰 Expensive subscription
- 🔒 Requires account login
- 🐛 Connectivity issues
- 🔒 Locked features behind paywall
- 🐛 Unreliable functionality

**Reported bugs**

- App crashes and freezes
- Subscription issues and billing problems
- Incompatibility with certain OBD2 adapters
- Customization features not working as expected
- Inaccurate fault code detection

**Requested features**

- Support for more vehicle makes and models
- Offline diagnostics and customization
- Ability to save customization settings
- More detailed error code information
- Improved user interface and navigation


### 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


## Frequently asked questions

### Is Carista OBD2 free?

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

### Is Car Sensor free?

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

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

Car Sensor is rated higher. Carista OBD2 averages 4.6 out of 5 from 4.2K ratings, while Car Sensor averages 5.0 from 1 ratings.

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

Carista OBD2 shows ads; Car Sensor does not.

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

Carista OBD2 ships an update every 3 weeks, and Car Sensor every 32 months. Most recently, Carista OBD2 was updated on October 26, 2026 and Car Sensor on October 24, 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.*