# TRIGGER ACS Plus vs Metra Heise Connect

The clearest difference is rating: Metra Heise Connect at 2.1 against TRIGGER ACS Plus's 1.8. Metra Heise Connect also leads on review sentiment (40% vs 21%) and update cadence (monthly vs every 3 months). TRIGGER ACS Plus's advantage is ratings volume (43 vs 14) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Metra Heise Connect holds the better App Store score, 2.1 against 1.8. Both are backed by a comparable volume of ratings — 43 and 14 respectively. Written reviews point the same way: 21% of TRIGGER ACS Plus's written reviews are positive against 40% of Metra Heise Connect's.

TRIGGER ACS Plus ships an update every 3 months, Metra Heise Connect monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TRIGGER ACS Plus | Metra Heise Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (43 ratings)](https://appshunter.io/ios/app/trigger-acs-plus/id1361409621/reviews) | **[2.1 (14 ratings)](https://appshunter.io/ios/app/metra-heise-connect/id1659677714/reviews)** |
| Number of ratings | **43** | 14 |
| Positive reviews | 21.4% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 14 MB | 28 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oracle](https://appshunter.io/developer/1448002966) | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) |

## 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


### Metra Heise Connect

[App page](https://appshunter.io/ios/app/metra-heise-connect/id1659677714)

Control Heise LED lighting products remotely from your smartphone or tablet. The app automatically detects lighting types and allows for group control of various products.

**Highlights:** Remote control for Heise LED lighting, Automatic lighting type detection (RGB, RGBW, Chasing), Group control of multiple products, Wireless streaming connection, Free to download

**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 Metra Heise Connect free?

Metra Heise Connect is free to download, with no in-app purchases.

### Which has better reviews, TRIGGER ACS Plus or Metra Heise Connect?

Metra Heise Connect is rated higher. TRIGGER ACS Plus averages 1.8 out of 5 from 43 ratings, while Metra Heise Connect averages 2.1 from 14 ratings.

### Do TRIGGER ACS Plus or Metra Heise Connect have ads?

Neither TRIGGER ACS Plus nor Metra Heise Connect shows ads.

### Which is updated more often, TRIGGER ACS Plus or Metra Heise Connect?

TRIGGER ACS Plus ships an update every 3 months, and Metra Heise Connect monthly. Most recently, TRIGGER ACS Plus was updated on October 21, 2026 and Metra Heise Connect on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*