# Cozytouch vs Klarstein

The clearest difference is review sentiment: Klarstein at 52% against Cozytouch's 15%. Klarstein also leads on rating (4.3 vs 3.9) and monetization model (free vs free with in-app purchases). Cozytouch's advantage is ratings volume (114 vs 29). 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.

Klarstein holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 114 and 29 respectively. Written reviews point the same way: 15% of Cozytouch's written reviews are positive against 52% of Klarstein's.

Cozytouch ships an update every 4 weeks, Klarstein monthly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Cozytouch | Klarstein |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (114 ratings)](https://appshunter.io/ios/app/cozytouch/id1029928340/reviews) | **[4.3 (29 ratings)](https://appshunter.io/ios/app/klarstein/id1479571307/reviews)** |
| Number of ratings | **114** | 29 |
| Positive reviews | 15.0% of reviews | **52.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 218 MB | 243 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ATLANTIC INDUSTRIE](https://appshunter.io/developer/1626853391) | [Chal-Tec GmbH](https://appshunter.io/developer/1300080322) |

## What reviewers say

### Cozytouch

[App page](https://appshunter.io/ios/app/cozytouch/id1029928340)

Control your home's heating, water heating, and ventilation systems remotely. Monitor room temperatures, hot water levels, and air quality. Analyze energy consumption to save on costs and manage your home's comfort from anywhere.

**Highlights:** Remote monitoring and control, Energy consumption analysis, Time away management, Adjust heating and cooling, Monitor hot water levels, Check indoor air quality

**Features:** macOS Compatibility

**In-app purchases:** none


### Klarstein

[App page](https://appshunter.io/ios/app/klarstein/id1479571307)

Control and monitor your smart home devices remotely from anywhere in the world. Organize devices by room, track real-time temperature and humidity, and access guides to learn app features. Stay updated on sales and connect with customer support.

**Highlights:** Remote device control, Real-time monitoring, Room organization, Temperature and humidity tracking, In-app guides, Sales information

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy setup and use
- 📱 Remote control via app
- 🗣️ Alexa and voice assistant integration
- 💡 Scene and automation creation
- 🏠 Home network integration

**What reviewers complain about**

- 🐛 Frequent bugs and glitches
- 📉 Unreliable scheduling
- ❌ App crashes and freezes
- ⚠️ Random resets of settings
- 🔌 Connection issues

**Reported bugs**

- App crashes after update
- Schedules ignored or reset randomly
- Devices turn on/off randomly
- Temperature settings are random
- App does not work after update

**Requested features**

- Dark mode
- Power consumption monitoring
- Siri/HomeKit integration
- Ability to select multiple devices for scenes
- Remove sound on radiator


## Frequently asked questions

### Is Cozytouch free?

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

### Is Klarstein free?

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

### Which has better reviews, Cozytouch or Klarstein?

Klarstein is rated higher. Cozytouch averages 3.9 out of 5 from 114 ratings, while Klarstein averages 4.3 from 29 ratings.

### Do Cozytouch or Klarstein have ads?

Neither Cozytouch nor Klarstein shows ads.

### Which is updated more often, Cozytouch or Klarstein?

Cozytouch ships an update every 4 weeks, and Klarstein monthly. Most recently, Cozytouch was updated on September 21, 2026 and Klarstein on September 23, 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.*