# SmartStream Q vs Klimatronik

The clearest difference is update cadence: SmartStream Q at monthly against Klimatronik's every 3 months. SmartStream Q also leads on iOS requirement (12.0 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.

SmartStream Q ships an update monthly, Klimatronik every 3 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SmartStream Q | Klimatronik |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Free |
| Size | 13 MB | 8 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Godlevskyy](https://appshunter.io/developer/1512383756) | [KLIMATRONIK, TOV](https://appshunter.io/developer/1538757309) |

## What reviewers say

### SmartStream Q

[App page](https://appshunter.io/ios/app/smartstream-q/id1512383757)

**In-app purchases:** none


### Klimatronik

[App page](https://appshunter.io/ios/app/klimatronik/id1538757307)

Control your Klimatronik heat recovery ventilation system remotely via Wi-Fi. Adjust fan speeds, set operating modes, monitor air quality, temperature, and humidity, and view historical data. Create custom schedules and timers for optimal indoor climate management.

**Highlights:** Remote Wi-Fi control, Adjustable fan speeds, Operating mode selection, Air quality monitoring (CO2, TVOC), Temperature and humidity monitoring, Weekly scheduling, Timer functions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartStream Q free?

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

### Is Klimatronik free?

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

### Do SmartStream Q or Klimatronik have ads?

Neither SmartStream Q nor Klimatronik shows ads.

### Which is updated more often, SmartStream Q or Klimatronik?

SmartStream Q ships an update monthly, and Klimatronik every 3 months. Most recently, SmartStream Q was updated on October 13, 2026 and Klimatronik on October 12, 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.*