# THINKWARE iVolt vs Metra Heise Connect

The clearest difference is rating: THINKWARE iVolt at 3.7 against Metra Heise Connect's 2.1. Metra Heise Connect's advantage is review sentiment (40% vs 8%) and ratings volume (14 vs 3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

THINKWARE iVolt holds the better App Store score, 3.7 against 2.1. Both are backed by a comparable volume of ratings — 3 and 14 respectively. Written reviews complicate that: 8% of THINKWARE iVolt's written reviews are positive against 40% of Metra Heise Connect's, so the app with the better star average is not the one people write more warmly about.

THINKWARE iVolt ships an update every 6 weeks, Metra Heise Connect monthly. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | THINKWARE iVolt | Metra Heise Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/thinkware-ivolt/id1330538271/reviews)** | [2.1 (14 ratings)](https://appshunter.io/ios/app/metra-heise-connect/id1659677714/reviews) |
| Number of ratings | 3 | **14** |
| Positive reviews | 8.3% of reviews | **40.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 18 MB | 28 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THINKWARE SYSTEMS CORPORATION](https://appshunter.io/developer/403472990) | [Metra Electronics Corp.](https://appshunter.io/developer/1133973919) |

## What reviewers say

### THINKWARE iVolt

[App page](https://appshunter.io/ios/app/thinkware-ivolt/id1330538271)

Monitor and control your iVolt battery's performance wirelessly. View real-time data like capacity, status, temperature, and voltage. Manage settings for optimal battery health and longevity.

**Highlights:** Bluetooth connectivity, Real-time battery capacity display, Charge/discharge status monitoring, Remaining charge/discharge time estimation, Battery temperature display, Input/output voltage and current monitoring

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

**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 THINKWARE iVolt free?

THINKWARE iVolt 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, THINKWARE iVolt or Metra Heise Connect?

THINKWARE iVolt is rated higher. THINKWARE iVolt averages 3.7 out of 5 from 3 ratings, while Metra Heise Connect averages 2.1 from 14 ratings.

### Do THINKWARE iVolt or Metra Heise Connect have ads?

Neither THINKWARE iVolt nor Metra Heise Connect shows ads.

### Which is updated more often, THINKWARE iVolt or Metra Heise Connect?

THINKWARE iVolt ships an update every 6 weeks, and Metra Heise Connect monthly. Most recently, THINKWARE iVolt was updated on November 6, 2026 and Metra Heise Connect on November 4, 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.*