Alen Air vs AromaTech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Alen Air
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.
- Remote control of air purifiers
- Real-time air quality monitoring
- Historical air quality data
- Customizable schedules
- Filter replacement notifications
- In-app product purchases
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Take control of your environment and make the invisible, visible! The Alen Air app gives you the power to see, control, and analyze your air quality, all in one place, wherever you are. Have you ever wanted to "know it's working"? Now you can! Wirelessly control your entire environment, connect to multiple Alen purifiers or Alen Air Quality Monitors right from your phone! Harness the power of Alen's advanced sensor technology, vivid color rings, and proactive notifications. This app update includes features such as: Easily add your Alen BreatheSmart 25i, 35i, 45i, 75i purifiers, and Alen Air Quality Monitor (AQM) into the Alen Air app via Wi-Fi or Bluetooth. The new first-time user experience is designed to get customers up and running in minutes, with a guided, low-friction setup that focuses only on what’s essential. Account creation is simple and clearly explained, requiring minimal information and setting expectations upfront about how data is used. Biometric authentication via Face ID or Touch ID, or authentication using your passcode, provides an optional additional layer of security! Once signed in, users can quickly connect their purifier, view air quality at a glance, and control core features without digging through settings. Privacy controls are introduced early and transparently, easy choices that put users in control from the start making clean air immediately accessible. Creating a new location has never been easier. Simply provide your city or zip code and Alen Air automatically selects the closest outdoor air quality monitor to your locality giving you a good idea about outdoor air quality so you can compare it against your indoor air quality. Easily pair your Alen purifier or AQM with the new device onboarding process. Your Wi-Fi network can be automatically detected or, for enhanced security, manually enter your Wi-Fi name and password. Pairing happens through a Bluetooth connection for a fast, no hassle experience making it easy to control your Utopiar. Alen’s filters have a fresh new look: Pure is now Essential, Fresh is now Advanced, and Odor is now Ultimate. It’s the same filtration you know, now with names that make it easier to choose the right filter for your needs. Set custom schedules that make sense for your personal life or business, on a single or multiple purifiers. Organizations with many purifiers can achieve efficiencies by setting multiple schedules to reduce day-to-day manual operations. View your indoor and outdoor air quality, both current and historical, with easy-to-read graphs. Download historical data for custom analysis! Receive Notifications if your Air Quality reaches a level requiring your attention, like prolonged periods of poor air quality. Keep your purifiers operating at optimum levels by enabling automatic firmware updates and receiving notifications for when your filter is close to needing replacement, as well as ordering the correct filters by leveraging the app's ability to recognize your purifier model. Remotely control a single purifier or take the same actions across many purifiers at the same time. Purchase the full range of Alen products through the Alen Air app’s simple and secure checkout flow. Buy individual filters and setup filter subscriptions, as well as buy Alen purifiers, air quality monitors, designer panels, and more. Own a lot of Alen units at one or multiple locations? Quickly identify where to focus attention with the highest priority information via the dashboard and organize/manage thousands of purifiers across multiple locations.
AromaTech
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.
- Personalized scent schedules
- Adjustable scent intensity
- Ambient lighting control
- Manage multiple diffusers
- Create custom scent experiences
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The AromaTech App has been re-designed to improve your scenting experience with our diffusers. Now it is easy to set up, organize your diffusers, and tell them apart. Choose a template or build your own schedule from scratch, each diffuser can save up to 5 schedules. Adjust the intensity of the scents remotely, easily turn your diffuser on or off, and set the customized light mode. Shop fragrances and diffusers from the integrated web shop, explore our newest additions and plan your next scent. Supported Diffusers: • Ambience • Ambience Mini • AroMini BT Plus • AromaPro BT • AroMini BT • AT-600 BT • AromaDream AIR ENGINEERED FOR PRECISION Cold-air diffusion. No heat. No water. No dilution. Our proprietary nebulizing technology disperses fragrance in its purest form - ultra-fine, consistent, and undistorted. You experience the full olfactive architecture exactly as the perfumer intended, with no residue and no compromise.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Alen Air | AromaTech |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (184 ratings) — better | 1.3 (11 ratings) |
| Positive reviews | 21.9% of reviews — better | 14.3% of reviews |
| Number of ratings | 184 — better | 11 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 443 MB | 65 MB |
| Age rating | 4+ | 17+ |
| Developer | Alen Corporation | AromaTech Inc. |
Customer experience
Alen Air
AromaTech
Bugs and requests
Alen Air
Reported bugs
5 issues- 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
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Alen Air
No in-app purchases
AromaTech
No in-app purchases









