JKBlaster vs Flashcal+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JKBlaster
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.
- Modify vehicle calibrations
- Access live features
- DTC scanning
- View live data
- WiFi OBD2 device communication
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JKBlaster is a cutting edge mobile application designed for 2007-2018 Jeep JK vehicles for the separately sold JKBlaster Wifi OBD2 device. The application communicates over a WiFi point with the required JKBlaster hardware sold at https://www.zautomotive.com/ to modify vehicle calibrations, live features, dtc scanning, live data and more. While a device is required for full functionality of the application, it is not required to open and browse the application.
Flashcal+
This utility calibrates your Jeep Wrangler's speedometer after tire or gear changes. It offers TPMS adjustment and is designed for JK, JL, and JT models.
- Speedometer calibration
- Tire size adjustment
- Gear ratio adjustment
- TPMS on/off
- Supports JK, JL, JT models
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Jeep® Wrangler and Ford Bronco® are among the most highly modified vehicles on the road today. Whether you're upgrading tires, changing wheels, or personalizing vehicle settings, proper calibration is essential for accurate vehicle data and overall drivability. Flashcal+ makes it easy with tire size calibration, speedometer correction, TPMS adjustments, and a wide range of vehicle customization options. Built for enthusiasts who want more control over their vehicle, Flashcal+ helps you personalize your driving experience both on and off the road. Compatible with Jeep® Wrangler JK and JL, Jeep® Gladiator JT, and Ford Bronco® models, Flashcal+ delivers the features you need in one simple, easy-to-use tool. To review the privacy policy visit https://superchips.com/flashcal-privacy/
Screenshots
Verdict
The clearest difference is rating: JKBlaster at 4.0 against Flashcal+'s 2.3. JKBlaster also leads on in-app purchases (none vs 5) and device support (3 vs 1). Flashcal+'s advantage is review sentiment (50% vs 25%). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Flashcal+ sells 4 one-off in-app purchases. JKBlaster asks for nothing beyond the download.
JKBlaster holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews complicate that: 25% of JKBlaster's written reviews are positive against 50% of Flashcal+'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, Flashcal+ every 3 weeks. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.
| Parameter | JKBlaster | Flashcal+ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) — better | 2.3 (6 ratings) |
| Positive reviews | 25.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 6 | 6 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 145 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | JND Collections, Inc | Holley Performance Products |
Customer experience
JKBlaster
Flashcal+
In-app purchases
JKBlaster
No in-app purchases
Flashcal+
- Pedal Booster$24.99
- Power Tuning$124.99
- Features and Options$124.99
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- PCM Cross Ship2 variants$274.99
Questions
Is JKBlaster free?
Is Flashcal+ free?
Which has better reviews, JKBlaster or Flashcal+?
Do JKBlaster or Flashcal+ have ads?
Which is updated more often, JKBlaster or Flashcal+?
Other comparisons
