# Blueair vs GreenTech Connect

The clearest difference is update cadence: Blueair at every 3 weeks against GreenTech Connect's every 16 months. Blueair also leads on review sentiment (26% vs 0%) and ratings volume (24K vs 13). GreenTech Connect's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Blueair holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Blueair has 24K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 26% of Blueair's written reviews are positive against 0% of GreenTech Connect's.

Blueair ships an update every 3 weeks, GreenTech Connect every 16 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Blueair | GreenTech Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (24K ratings)](https://appshunter.io/ios/app/blueair/id1016299342/reviews)** | [4.5 (13 ratings)](https://appshunter.io/ios/app/greentech-connect/id1568302603/reviews) |
| Number of ratings | **24K** | 13 |
| Positive reviews | **26.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Free | Free |
| Size | 1.3 GB | 175 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blueair AB](https://appshunter.io/developer/981904349) | [GreenTech Environmental, LLC](https://appshunter.io/developer/1568302605) |

## What reviewers say

### Blueair

[App page](https://appshunter.io/ios/app/blueair/id1016299342)

Monitor and control your indoor air quality with real-time tracking and intelligent device management. Gain insights into your environment and take effortless action for healthier living, whether you're at home or away.

**Highlights:** Real-time air quality tracking, Seamless device controls, Intelligent adaptive features, Remote management, Insightful data and graphs

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great air purifier
- 🌟 Excellent product
- 👍 Quiet operation
- 🌳 Improves air quality
- 🔍 Informative app

**What reviewers complain about**

- 🐛 Buggy app
- 🔌 Connectivity issues
- 🔍 Inaccurate sensor data
- 🕰️ Scheduling problems
- 🔒 Privacy concerns

**Reported bugs**

- App crashes on startup
- Frequent app disconnections
- Incorrect air quality readings
- Scheduling feature not working as expected
- Inability to change WiFi password

**Requested features**

- Add Google Home/Alexa integration
- Improve app stability and responsiveness
- Provide more customization options
- Allow data export and backup
- Fix daylight saving time issues


### GreenTech Connect

[App page](https://appshunter.io/ios/app/greentech-connect/id1568302603)

Control your GreenTech products remotely. Adjust settings, monitor air quality, and manage component life from your smartphone. Schedule features like Night Mode for optimal comfort.

**Highlights:** Remote product control, Monitor air quality, Adjust purification levels, Manage component life, Schedule Night Mode, Receive product notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Blueair free?

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

### Is GreenTech Connect free?

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

### Which has better reviews, Blueair or GreenTech Connect?

Blueair is rated higher. Blueair averages 4.8 out of 5 from 24K ratings, while GreenTech Connect averages 4.5 from 13 ratings.

### Do Blueair or GreenTech Connect have ads?

Neither Blueair nor GreenTech Connect shows ads.

### Which is updated more often, Blueair or GreenTech Connect?

Blueair ships an update every 3 weeks, and GreenTech Connect every 16 months. Most recently, Blueair was updated on November 6, 2026 and GreenTech Connect on November 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.*