# Klarstein vs Philips Air+

The clearest difference is rating: Philips Air+ at 4.7 against Klarstein's 4.3. Philips Air+ also leads on ratings volume (1.4K vs 29). Klarstein's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Philips Air+ holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Philips Air+ has 1.4K ratings behind it against 29, so its average is the more settled of the two. Written reviews complicate that: 52% of Klarstein's written reviews are positive against 48% of Philips Air+'s, so the app with the better star average is not the one people write more warmly about.

Klarstein ships an update monthly, Philips Air+ every 2 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Klarstein | Philips Air+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (29 ratings)](https://appshunter.io/ios/app/klarstein/id1479571307/reviews) | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/philips-air-plus/id1487415423/reviews)** |
| Number of ratings | 29 | **1.4K** |
| Positive reviews | **52.3% of reviews** | 47.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 243 MB | 182 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chal-Tec GmbH](https://appshunter.io/developer/1300080322) | [Versuni Netherlands B.V](https://appshunter.io/developer/1576853920) |

## What reviewers say

### 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


### Philips Air+

[App page](https://appshunter.io/ios/app/philips-air-plus/id1487415423)

This app provides a smart, connected experience for managing indoor air quality. It monitors pollutants, automatically adjusts connected devices, and offers remote control and historical data insights for healthier breathing.

**Highlights:** Real-time indoor and outdoor air quality monitoring, Automatic device adjustment with Auto Plus mode, Remote control for connected air devices, Historical air quality data insights, Maintenance reminders and filter replacement guidance, Outdoor weather and air quality overview

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Responsive and easy to use
- 👍 Helpful for managing air quality
- 🚀 Convenient remote control
- 👍 Informative air quality data
- 👍 Straightforward setup

**What reviewers complain about**

- 🐛 Frequent disconnections and pairing issues
- 🐛 Slow app performance and loading times
- 🐛 Unreliable notifications
- 🐛 Lacks advanced customization options
- 🐛 Buggy after recent updates

**Reported bugs**

- App crashes on launch after recent update
- Firmware update notification bug
- Inability to reset filter usage counter
- Inaccurate air quality data displayed
- Scheduled tasks not working as expected

**Requested features**

- Add support for HomeKit and Google Home
- Improve scheduling and timer functionality
- Allow disabling of audible alerts
- Provide more detailed air quality metrics
- Integrate with other smart home platforms


## Frequently asked questions

### Is Klarstein free?

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

### Is Philips Air+ free?

Philips Air+ is free to download, with no in-app purchases.

### Which has better reviews, Klarstein or Philips Air+?

Philips Air+ is rated higher. Klarstein averages 4.3 out of 5 from 29 ratings, while Philips Air+ averages 4.7 from 1.4K ratings.

### Do Klarstein or Philips Air+ have ads?

Neither Klarstein nor Philips Air+ shows ads.

### Which is updated more often, Klarstein or Philips Air+?

Klarstein ships an update monthly, and Philips Air+ every 2 months. Most recently, Klarstein was updated on September 23, 2026 and Philips Air+ on September 24, 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.*