Salley's Propane vs Flashcal+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Salley's Propane
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Information at your fingertips! This app gives you direct access to your account balance, location and contract information. It also gives you the ability to store and process payment and request service work and deliveries directly through the app.
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 in-app purchases: Salley's Propane at none against Flashcal+'s 5. Salley's Propane also leads on device support (3 vs 1) and iOS requirement (12.2 vs 16.0). Flashcal+'s advantage is update cadence (every 3 weeks vs every 8 months). On price 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. Salley's Propane asks for nothing beyond the download.
Salley's Propane ships an update every 8 months, Flashcal+ every 3 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.
| Parameter | Salley's Propane | Flashcal+ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.3 (6 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 56 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | Rural Computer Consultants, Inc. | Holley Performance Products |
In-app purchases
Salley's Propane
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 Salley's Propane free?
Is Flashcal+ free?
Do Salley's Propane or Flashcal+ have ads?
Which is updated more often, Salley's Propane or Flashcal+?
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