# AMP Research PowerStep vs Flashcal+

The clearest difference is in-app purchases: AMP Research PowerStep at none against Flashcal+'s 5. AMP Research PowerStep also leads on ratings volume (28 vs 6) and device support (3 vs 1). Flashcal+'s advantage is review sentiment (50% vs 19%) and update cadence (every 3 weeks vs every 5 months). On price, ads and monetization model there is nothing between them.

Both are free to download. Flashcal+ sells 4 one-off in-app purchases. AMP Research PowerStep asks for nothing beyond the download.

Flashcal+ holds the better App Store score, 2.3 against 2.1. Both are backed by a comparable volume of ratings — 28 and 6 respectively. Written reviews point the same way: 19% of AMP Research PowerStep's written reviews are positive against 50% of Flashcal+'s.

AMP Research PowerStep ships an update every 5 months, Flashcal+ every 3 weeks. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | AMP Research PowerStep | Flashcal+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (28 ratings)](https://appshunter.io/ios/app/amp-research-powerstep/id1534532539/reviews) | **[2.3 (6 ratings)](https://appshunter.io/ios/app/flashcal-plus/id6739143913/reviews)** |
| Number of ratings | **28** | 6 |
| Positive reviews | 18.5% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 124 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lund International Holding Company](https://appshunter.io/developer/1534532541) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### AMP Research PowerStep

[App page](https://appshunter.io/ios/app/amp-research-powerstep/id1534532539)

Control your electric-powered running boards with this app. Adjust step position, and manage integrated or auxiliary LED lighting systems directly from your smartphone.

**Highlights:** Control electric running board position, Override step up/down, Power integrated LED lights, Power auxiliary LED lights, Smartphone control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 AMP Research PowerStep free?

AMP Research PowerStep is free to download, with no in-app purchases.

### Is Flashcal+ free?

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

### Which has better reviews, AMP Research PowerStep or Flashcal+?

Flashcal+ is rated higher. AMP Research PowerStep averages 2.1 out of 5 from 28 ratings, while Flashcal+ averages 2.3 from 6 ratings.

### Do AMP Research PowerStep or Flashcal+ have ads?

Neither AMP Research PowerStep nor Flashcal+ shows ads.

### Which is updated more often, AMP Research PowerStep or Flashcal+?

AMP Research PowerStep ships an update every 5 months, and Flashcal+ every 3 weeks. Most recently, AMP Research PowerStep was updated on September 21, 2026 and Flashcal+ on September 11, 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.*