# OBD JScan vs GWSMARTBT

The clearest difference is rating: OBD JScan at 4.7 against GWSMARTBT's 3.3. OBD JScan also leads on review sentiment (80% vs 46%) and ratings volume (1.3K vs 66). GWSMARTBT's advantage is in-app purchases (none vs 8). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OBD JScan sells 7 one-off in-app purchases. GWSMARTBT asks for nothing beyond the download.

OBD JScan holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: OBD JScan has 1.3K ratings behind it against 66, so its average is the more settled of the two. Written reviews point the same way: 80% of OBD JScan's written reviews are positive against 46% of GWSMARTBT's.

OBD JScan ships an update every 3 weeks, GWSMARTBT every 5 weeks. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | OBD JScan | GWSMARTBT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/obd-jscan/id1445903514/reviews)** | [3.3 (66 ratings)](https://appshunter.io/ios/app/gwsmartbt/id6484589124/reviews) |
| Number of ratings | **1.3K** | 66 |
| Positive reviews | **79.6% of reviews** | 46.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 403 MB | 1.3 GB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Piotr Bialic](https://appshunter.io/developer/960266498) | [Apex Tool Group](https://appshunter.io/developer/1401209994) |

## What reviewers say

### OBD JScan

[App page](https://appshunter.io/ios/app/obd-jscan/id1445903514)

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

**Highlights:** Read/Clear Diagnostic Trouble Codes, Access Live Data from all sensors, View vehicle settings, Access all vehicle modules (ABS, Transmission, etc.), Identify module, VIN, Part Number, and Version, Share vehicle trouble codes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| + 1 garage license | $9.99 | one-time |
| 1 VIN license | $20.99 | one-time |
| Add 1 VIN | $20.99 | one-time |
| Add 1 VIN Vehicle Slot | $20.99 | one-time |
| 3 VIN licenses | $54.99 | one-time |
| 5 VIN Licenses | $84.99 | one-time |
| 10 VIN Licenses | $149.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🔧 Powerful customization options
- 👍 Excellent customer support
- 💡 Useful diagnostic and monitoring features
- 🔓 Enables features otherwise locked by dealer

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔌 Requires additional hardware purchase
- ⚠️ Compatibility issues with newer vehicle models
- 🕰️ Slow performance in certain scenarios

**Reported bugs**

- Inability to save/export diagnostic data
- Inconsistent behavior when changing vehicle settings

**Requested features**

- Expanded vehicle compatibility
- Improved stability and reliability
- Enhanced user interface and guidance
- Integration with other vehicle apps/services


### GWSMARTBT

[App page](https://appshunter.io/ios/app/gwsmartbt/id6484589124)

This diagnostic tool offers advanced vehicle system scanning and bidirectional control for automotive technicians. It provides 23 professional reset functions and live data mapping, eliminating the need for expensive alternatives. Enjoy comprehensive coverage, a 2-year warranty, and free lifetime software updates.

**Highlights:** Full system diagnostics, Bidirectional programming, 23 pro reset functions, Live data mapping, OE level diagnostics, Free lifetime software updates

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

**In-app purchases:** none


## Frequently asked questions

### Is OBD JScan free?

OBD JScan is free to download, with in-app purchases available.

### Is GWSMARTBT free?

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

### Which has better reviews, OBD JScan or GWSMARTBT?

OBD JScan is rated higher. OBD JScan averages 4.7 out of 5 from 1.3K ratings, while GWSMARTBT averages 3.3 from 66 ratings.

### Do OBD JScan or GWSMARTBT have ads?

Neither OBD JScan nor GWSMARTBT shows ads.

### Which is updated more often, OBD JScan or GWSMARTBT?

OBD JScan ships an update every 3 weeks, and GWSMARTBT every 5 weeks. Most recently, OBD JScan was updated on October 19, 2026 and GWSMARTBT on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*