Flashcal+ vs OBDX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
OBDX
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OBDX is an offline-first vehicle diagnostics app that helps you understand your car quickly and clearly. Connect an OBD adapter via Bluetooth or WiFi to scan your vehicle and generate structured diagnostic reports. OBDX focuses on simplicity and clarity, making it easier to understand issues and communicate with workshops. KEY FEATURES • Scan your vehicle using an OBD adapter • Get clear, structured diagnostic reports • Manual vehicle setup (no VIN lookup required) • Works offline without requiring an account AI HANDOFF Export your diagnostic results and continue with AI tools for deeper insights and repair guidance. IN-APP PURCHASE AI Handoff Unlock enables exporting and sharing diagnostic data for use with external AI tools. OBDX does not directly integrate with third-party AI apps. Data is copied or shared manually by the user.
Screenshots
Verdict
The clearest difference is iOS requirement: Flashcal+ at 16.0 against OBDX's 18.6. On price, ads, in-app purchases and device support 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 and OBDX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Flashcal+ | OBDX |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (6 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 124 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Holley Performance Products | Andreas Par Gunnar Naslund |
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
OBDX
- AI Handoff Unlock$14.99









