# QZsmart vs Rosenberg Alerting

QZsmart and Rosenberg Alerting are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

QZsmart ships an update every 10 months, Rosenberg Alerting every 19 months. The most recent releases landed on October 30, 2026 and December 2, 2025 respectively.

## The numbers

| Metric | QZsmart | Rosenberg Alerting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (114 ratings)](https://appshunter.io/ios/app/qzsmart/id1602524485/reviews)** | — |
| Number of ratings | **114** | — |
| Positive reviews | 4.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 19 months |
| Monetization | Free | — |
| Size | 157 MB | 65 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AMZCHEF ELECTRIC CO. , LIMITED](https://appshunter.io/developer/1602524487) | [Mach Alert Inc.](https://appshunter.io/developer/1472612618) |

## What reviewers say

### QZsmart

[App page](https://appshunter.io/ios/app/qzsmart/id1602524485)

Control multiple smart devices remotely via Wi-Fi, eliminating the need for physical buttons. Schedule tasks with flexible timing and manage device settings easily. Shop for products and access customer service directly within the app.

**Highlights:** Wi-Fi product binding, Multi-device control, Flexible timing tasks, Remote parameter settings, In-app shopping, Customer service access

**Features:** macOS Compatibility

**In-app purchases:** none


### Rosenberg Alerting

[App page](https://appshunter.io/ios/app/rosenberg-alerting/id1617866911)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QZsmart free?

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

### Is Rosenberg Alerting free?

Rosenberg Alerting is free to download, with no in-app purchases.

### Do QZsmart or Rosenberg Alerting have ads?

Neither QZsmart nor Rosenberg Alerting shows ads.

### Which is updated more often, QZsmart or Rosenberg Alerting?

QZsmart ships an update every 10 months, and Rosenberg Alerting every 19 months. Most recently, QZsmart was updated on October 30, 2026 and Rosenberg Alerting on December 2, 2025.

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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.*