# SameKey vs Klimatronik

The clearest difference is iOS requirement: SameKey at 12.4 against Klimatronik's 15.6. 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.

SameKey ships an update every 5 months, Klimatronik every 3 months. The most recent releases landed on September 21, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SameKey | Klimatronik |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 8 MB | 8 MB |
| Requires iOS | **12.4** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BITREND LLC](https://appshunter.io/developer/1454494891) | [KLIMATRONIK, TOV](https://appshunter.io/developer/1538757309) |

## What reviewers say

### SameKey

[App page](https://appshunter.io/ios/app/samekey-open-your-door/id1509625532)

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

**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 SameKey free?

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

### Is Klimatronik free?

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

### Do SameKey or Klimatronik have ads?

Neither SameKey nor Klimatronik shows ads.

### Which is updated more often, SameKey or Klimatronik?

SameKey ships an update every 5 months, and Klimatronik every 3 months. Most recently, SameKey was updated on September 21, 2026 and Klimatronik on September 27, 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.*