# ECRI Vehicle Calibrator vs Flashcal+

The clearest difference is rating: ECRI Vehicle Calibrator at 4.6 against Flashcal+'s 3.0. ECRI Vehicle Calibrator also leads on review sentiment (85% vs 67%) and device support (3 vs 1). Flashcal+'s advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. ECRI Vehicle Calibrator sells 1 one-off in-app purchase and Flashcal+ sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ECRI Vehicle Calibrator holds the better App Store score, 4.6 against 3.0. Both are backed by a comparable volume of ratings — 19 and 8 respectively. Written reviews point the same way: 85% of ECRI Vehicle Calibrator's written reviews are positive against 67% of Flashcal+'s.

ECRI Vehicle Calibrator ships an update every 6 weeks, Flashcal+ every 3 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ECRI Vehicle Calibrator | Flashcal+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/ecri-vehicle-calibrator/id1459448854/reviews)** | [3.0 (8 ratings)](https://appshunter.io/ios/app/flashcal-plus/id6739143913/reviews) |
| Number of ratings | **19** | 8 |
| Positive reviews | **84.6% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 123 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Connections Design, LLC](https://appshunter.io/developer/1080493516) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### ECRI Vehicle Calibrator

[App page](https://appshunter.io/ios/app/ecri-vehicle-calibrator/id1459448854)

This app connects to your vehicle via a wireless device to display current calibrations and write new ones. It offers features like GPS-based speedometer calibration, a history of all calibrations, and the ability to read and clear trouble codes.

**Highlights:** View current vehicle calibrations, Write new vehicle calibrations, GPS speedometer calibration, Calibration history tracking, Read and clear trouble codes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Programming One Vehicle | $49.99 | one-time |


### Flashcal+

[App page](https://appshunter.io/ios/app/flashcal-plus/id6739143913)

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.

**Highlights:** Speedometer calibration, Tire size adjustment, Gear ratio adjustment, TPMS on/off, Supports JK, JL, JT models

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pedal Booster | $24.99 | one-time |
| Power Tuning | $124.99 | one-time |
| Features and Options | $124.99 | one-time |
| PCM Cross Ship | $274.99 | one-time |


## Frequently asked questions

### Is ECRI Vehicle Calibrator free?

ECRI Vehicle Calibrator is free to download, with in-app purchases available.

### Is Flashcal+ free?

Flashcal+ is free to download, with in-app purchases available.

### Which has better reviews, ECRI Vehicle Calibrator or Flashcal+?

ECRI Vehicle Calibrator is rated higher. ECRI Vehicle Calibrator averages 4.6 out of 5 from 19 ratings, while Flashcal+ averages 3.0 from 8 ratings.

### Do ECRI Vehicle Calibrator or Flashcal+ have ads?

Neither ECRI Vehicle Calibrator nor Flashcal+ shows ads.

### Which is updated more often, ECRI Vehicle Calibrator or Flashcal+?

ECRI Vehicle Calibrator ships an update every 6 weeks, and Flashcal+ every 3 weeks. Most recently, ECRI Vehicle Calibrator was updated on October 24, 2026 and Flashcal+ on October 19, 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.*