# Carista OBD2 vs SmartScanPro Bimmer

The clearest difference is ads: SmartScanPro Bimmer at none against Carista OBD2's shown. SmartScanPro Bimmer also leads on rating (5.0 vs 4.6). Carista OBD2's advantage is ratings volume (4.3K vs 1) and update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, monetization model 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 and SmartScanPro Bimmer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SmartScanPro Bimmer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Carista OBD2 has 4.3K ratings behind it against 1, so its average is the more settled of the two.

Carista OBD2 ships an update every 3 weeks, SmartScanPro Bimmer every 2 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Carista OBD2 | SmartScanPro Bimmer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (4.3K ratings)](https://appshunter.io/ios/app/carista-obd2/id954363569/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smartscanpro-bimmer/id6773070400/reviews)** |
| Number of ratings | **4.3K** | 1 |
| Positive reviews | 34.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#181** | — |
| Size | 142 MB | 25 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Prizmos](https://appshunter.io/developer/954363568) | [Giorgi Gogia](https://appshunter.io/developer/6773070402) |

## What reviewers say

### Carista OBD2

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

**Currently charting:** #181 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


### SmartScanPro Bimmer

[App page](https://appshunter.io/ios/app/smartscanpro-bimmer/id6773070400)

Access real-time vehicle data and perform full system scans to detect and diagnose fault codes. Get detailed engineering descriptions and recommended fixes instantly. Connects via OBD2 adapters for comprehensive car diagnostics.

**Highlights:** Real-time live data stream, Full system scan for fault codes, Local database of 9,900+ factory codes, Detailed engineering descriptions, Recommended fixes for codes, Connects via OBD2 Wi-Fi/Bluetooth

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack | $1.99 | per month |
| Premium Monthly | $2.99 | per month |


## Frequently asked questions

### Is Carista OBD2 free?

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

### Is SmartScanPro Bimmer free?

SmartScanPro Bimmer is free to download, with in-app purchases available.

### Which has better reviews, Carista OBD2 or SmartScanPro Bimmer?

SmartScanPro Bimmer is rated higher. Carista OBD2 averages 4.6 out of 5 from 4.3K ratings, while SmartScanPro Bimmer averages 5.0 from 1 ratings.

### Do Carista OBD2 or SmartScanPro Bimmer have ads?

Carista OBD2 shows ads; SmartScanPro Bimmer does not.

### Which is updated more often, Carista OBD2 or SmartScanPro Bimmer?

Carista OBD2 ships an update every 3 weeks, and SmartScanPro Bimmer every 2 months. Most recently, Carista OBD2 was updated on November 1, 2026 and SmartScanPro Bimmer on October 31, 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.*