# JKBlaster vs Classic SCFC+

The clearest difference is rating: JKBlaster at 4.0 against Classic SCFC+'s 2.4. JKBlaster also leads on update cadence (every 5 weeks vs every 2 months) and iOS requirement (10.0 vs 14.2). Classic SCFC+'s advantage is review sentiment (50% vs 25%). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JKBlaster holds the better App Store score, 4.0 against 2.4. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews complicate that: 25% of JKBlaster's written reviews are positive against 50% of Classic SCFC+'s, so the app with the better star average is not the one people write more warmly about.

JKBlaster ships an update every 5 weeks, Classic SCFC+ every 2 months. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | JKBlaster | Classic SCFC+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/jkblaster/id1532787247/reviews)** | [2.4 (7 ratings)](https://appshunter.io/ios/app/classic-scfc-plus/id1552284876/reviews) |
| Number of ratings | 6 | **7** |
| Positive reviews | 25.0% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 145 MB | 162 MB |
| Requires iOS | **10.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JND Collections, Inc](https://appshunter.io/developer/1534014356) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### JKBlaster

[App page](https://appshunter.io/ios/app/jkblaster/id1532787247)

This utility app connects to a separate WiFi OBD2 device to modify calibrations and access live data for 2007-2018 Jeep JK vehicles. It allows for DTC scanning and viewing real-time vehicle information. The app can be browsed without the hardware.

**Highlights:** Modify vehicle calibrations, Access live features, DTC scanning, View live data, WiFi OBD2 device communication

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 JKBlaster free?

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

### Is Classic SCFC+ free?

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

### Which has better reviews, JKBlaster or Classic SCFC+?

JKBlaster is rated higher. JKBlaster averages 4.0 out of 5 from 6 ratings, while Classic SCFC+ averages 2.4 from 7 ratings.

### Do JKBlaster or Classic SCFC+ have ads?

Neither JKBlaster nor Classic SCFC+ shows ads.

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

JKBlaster ships an update every 5 weeks, and Classic SCFC+ every 2 months. Most recently, JKBlaster was updated on October 3, 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.*