# Z3 Control 2 vs sunbright US

The clearest difference is iOS requirement: Z3 Control 2 at 12.0 against sunbright US's 16.6. 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.

Z3 Control 2 ships an update every 4 months, sunbright US every 6 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Z3 Control 2 | sunbright US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (5 ratings)](https://appshunter.io/ios/app/z3-control-2/id1612097769/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Free | — |
| Size | 18 MB | 63 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ELAC Americas Inc.](https://appshunter.io/developer/1547394447) | [Shanghai Sunbright Industrial Co.,Ltd](https://appshunter.io/developer/1749930927) |

## What reviewers say

### Z3 Control 2

[App page](https://appshunter.io/ios/app/z3-control-2/id1612097769)

Adjust speaker volume, enhance bass, and connect your device to a wireless network. This utility also allows you to check for and install speaker firmware updates to access new features.

**Highlights:** Adjust speaker volume, Enhance bass, Wireless network setup, Check for firmware updates, Install new features

**Features:** macOS Compatibility

**In-app purchases:** none


### sunbright US

[App page](https://appshunter.io/ios/app/sunbright-us/id6532601807)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z3 Control 2 free?

Z3 Control 2 is free to download, with no in-app purchases.

### Is sunbright US free?

sunbright US is free to download, with no in-app purchases.

### Do Z3 Control 2 or sunbright US have ads?

Neither Z3 Control 2 nor sunbright US shows ads.

### Which is updated more often, Z3 Control 2 or sunbright US?

Z3 Control 2 ships an update every 4 months, and sunbright US every 6 months. Most recently, Z3 Control 2 was updated on October 16, 2026 and sunbright US on October 7, 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.*