# TRIGGER ACS Plus vs AMP Research PowerStep

The clearest difference is iOS requirement: TRIGGER ACS Plus at 8.0 against AMP Research PowerStep's 11.0. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AMP Research PowerStep holds the better App Store score, 2.1 against 1.9. Both are backed by a comparable volume of ratings — 42 and 28 respectively. Written reviews complicate that: 21% of TRIGGER ACS Plus's written reviews are positive against 19% of AMP Research PowerStep's, so the app with the better star average is not the one people write more warmly about.

TRIGGER ACS Plus ships an update every 3 months, AMP Research PowerStep every 5 months. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TRIGGER ACS Plus | AMP Research PowerStep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (42 ratings)](https://appshunter.io/ios/app/trigger-acs-plus/id1361409621/reviews) | **[2.1 (28 ratings)](https://appshunter.io/ios/app/amp-research-powerstep/id1534532539/reviews)** |
| Number of ratings | **42** | 28 |
| Positive reviews | **21.4% of reviews** | 18.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 14 MB | 16 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oracle](https://appshunter.io/developer/1448002966) | [Lund International Holding Company](https://appshunter.io/developer/1534532541) |

## What reviewers say

### TRIGGER ACS Plus

[App page](https://appshunter.io/ios/app/trigger-acs-plus/id1361409621)

Control wireless accessory systems for vehicles, including lighting and power functions. Customize settings, monitor battery voltage, and set alerts for low power. Simplify accessory installation by eliminating the need for extensive wiring.

**Highlights:** Control wireless accessory controllers, Manage power and dimming functions, Strobe feature for lighting, Set switch function (toggle/momentary), Customize accessory names, Monitor battery voltage, Set low-voltage cut-off and alerts

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TRIGGER ACS Plus free?

TRIGGER ACS Plus is free to download, with no in-app purchases.

### Is AMP Research PowerStep free?

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

### Which has better reviews, TRIGGER ACS Plus or AMP Research PowerStep?

AMP Research PowerStep is rated higher. TRIGGER ACS Plus averages 1.9 out of 5 from 42 ratings, while AMP Research PowerStep averages 2.1 from 28 ratings.

### Do TRIGGER ACS Plus or AMP Research PowerStep have ads?

Neither TRIGGER ACS Plus nor AMP Research PowerStep shows ads.

### Which is updated more often, TRIGGER ACS Plus or AMP Research PowerStep?

TRIGGER ACS Plus ships an update every 3 months, and AMP Research PowerStep every 5 months. Most recently, TRIGGER ACS Plus was updated on October 17, 2026 and AMP Research PowerStep on October 13, 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.*