# Alen Air vs AromaTech

The clearest difference is rating: Alen Air at 2.6 against AromaTech's 1.3. Alen Air also leads on ratings volume (184 vs 11). AromaTech's advantage is monetization model (free vs free with in-app purchases). 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.

Alen Air holds the better App Store score, 2.6 against 1.3. That said, the two scores are not equally well evidenced: Alen Air has 184 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 22% of Alen Air's written reviews are positive against 14% of AromaTech's.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Alen Air | AromaTech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (184 ratings)](https://appshunter.io/ios/app/alen-air/id1575726185/reviews)** | [1.3 (11 ratings)](https://appshunter.io/ios/app/aromatech/id1660819181/reviews) |
| Number of ratings | **184** | 11 |
| Positive reviews | **21.9% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 443 MB | 65 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Alen Corporation](https://appshunter.io/developer/1511825778) | [AromaTech Inc.](https://appshunter.io/developer/1446635796) |

## What reviewers say

### Alen Air

[App page](https://appshunter.io/ios/app/alen-air/id1575726185)

Monitor and control your indoor air quality remotely. See real-time and historical data, set custom schedules, and receive alerts for poor air quality or filter replacements. Purchase Alen products and filters directly through the app.

**Highlights:** Remote control of air purifiers, Real-time air quality monitoring, Historical air quality data, Customizable schedules, Filter replacement notifications, In-app product purchases

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate air quality tracking
- 👍 User-friendly interface
- 🔒 Secure connection
- 💡 Helpful air quality notifications
- 🚀 Responsive app performance

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🐛 Connectivity issues
- 🐛 Inaccurate air quality readings
- 🔒 Excessive location permissions
- 🐛 Unreliable scheduling features

**Reported bugs**

- App fails to open after recent update
- Device disconnections after app updates
- Inconsistent sync between app and air purifier
- Inability to save device connections
- Frequent log-out issues

**Requested features**

- Add scheduling and automation options
- Improve historical air quality data visualization
- Provide option to disable lights/display on air purifier
- Allow manual filter life tracking
- Integrate with smart home platforms


### AromaTech

[App page](https://appshunter.io/ios/app/aromatech/id1660819181)

Control your home scenting system with personalized schedules, adjustable intensity, and ambient lighting. Manage multiple diffusers from a single app to create your ideal atmosphere.

**Highlights:** Personalized scent schedules, Adjustable scent intensity, Ambient lighting control, Manage multiple diffusers, Create custom scent experiences

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

**In-app purchases:** none


## Frequently asked questions

### Is Alen Air free?

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

### Is AromaTech free?

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

### Which has better reviews, Alen Air or AromaTech?

Alen Air is rated higher. Alen Air averages 2.6 out of 5 from 184 ratings, while AromaTech averages 1.3 from 11 ratings.

### Do Alen Air or AromaTech have ads?

Neither Alen Air nor AromaTech shows ads.

### Which is updated more often, Alen Air or AromaTech?

Alen Air ships an update every 2 months, and AromaTech every 2 months. Most recently, Alen Air was updated on November 3, 2026 and AromaTech 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.*