# SAVE CONNECT vs HZ

The clearest difference is update cadence: HZ at every 6 weeks against SAVE CONNECT's every 6 months. SAVE CONNECT's advantage is iOS requirement (13 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

SAVE CONNECT ships an update every 6 months, HZ every 6 weeks. Both last shipped on October 3, 2026.

## The numbers

| Metric | SAVE CONNECT | HZ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 5.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 3 MB | 39 MB |
| Requires iOS | **13** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Systemair Production AB](https://appshunter.io/developer/1115598317) | [HNAC Technology Co., Ltd.](https://appshunter.io/developer/1470908289) |

## What reviewers say

### SAVE CONNECT

[App page](https://appshunter.io/ios/app/save-connect/id1293627245)

Control your ventilation unit remotely via the internet. Monitor sensor values, adjust settings, manage alarms, and integrate with smart home assistants. The app supports multiple units and provides email notifications for alarms.

**Highlights:** Remote control of ventilation units, Internet access for SAVE units, Monitor sensor values, Change settings and manage alarms, Smart Home assistant integration (Alexa), Email alarm notifications, Filter ordering

**Features:** macOS Compatibility

**In-app purchases:** none


### HZ

[App page](https://appshunter.io/ios/app/hz-ces/id6448772172)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SAVE CONNECT free?

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

### Is HZ free?

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

### Do SAVE CONNECT or HZ have ads?

Neither SAVE CONNECT nor HZ shows ads.

### Which is updated more often, SAVE CONNECT or HZ?

SAVE CONNECT ships an update every 6 months, and HZ every 6 weeks. Most recently, SAVE CONNECT was updated on October 3, 2026 and HZ on October 3, 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.*