# OBD JScan vs Classic SCFC+

The clearest difference is rating: OBD JScan at 4.7 against Classic SCFC+'s 2.4. OBD JScan also leads on review sentiment (80% vs 50%) and ratings volume (1.3K vs 7). Classic SCFC+'s advantage is in-app purchases (none vs 8). On price, ads, device support and iOS requirement there is nothing between them.

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

OBD JScan holds the better App Store score, 4.7 against 2.4. That said, the two scores are not equally well evidenced: OBD JScan has 1.3K ratings behind it against 7, 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 50% of Classic SCFC+'s.

OBD JScan ships an update every 3 weeks, Classic SCFC+ every 2 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OBD JScan | Classic SCFC+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/obd-jscan/id1445903514/reviews)** | [2.4 (7 ratings)](https://appshunter.io/ios/app/classic-scfc-plus/id1552284876/reviews) |
| Number of ratings | **1.3K** | 7 |
| Positive reviews | **79.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 403 MB | 162 MB |
| Requires iOS | **13.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Piotr Bialic](https://appshunter.io/developer/960266498) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## 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


### Classic SCFC+

[App page](https://appshunter.io/ios/app/classic-scfc-plus/id1552284876)

This utility calibrates your Jeep Wrangler's speedometer after tire or gear changes. It offers TPMS on/off functionality and is designed for JK, JL Wrangler, and JT Gladiator models.

**Highlights:** Speedometer correction, Tire calibration, Gear calibration, TPMS on/off, Supports JK, JL, and JT models

**Features:** 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 Classic SCFC+ free?

Classic SCFC+ is free to download, with no in-app purchases.

### Which has better reviews, OBD JScan or Classic SCFC+?

OBD JScan is rated higher. OBD JScan averages 4.7 out of 5 from 1.3K ratings, while Classic SCFC+ averages 2.4 from 7 ratings.

### Do OBD JScan or Classic SCFC+ have ads?

Neither OBD JScan nor Classic SCFC+ shows ads.

### Which is updated more often, OBD JScan or Classic SCFC+?

OBD JScan ships an update every 3 weeks, and Classic SCFC+ every 2 months. Most recently, OBD JScan was updated on October 16, 2026 and Classic SCFC+ on October 4, 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.*