Alen Air vs SmarTouch 2
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.
SmarTouch 2
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SmarTouch 2 puts control of your ACC spa in your pocket. Connect over Bluetooth or WiFi to manage your spa directly from your phone or tablet — no need to walk out to the control panel. FEATURES • Device discovery and connection over Bluetooth and WiFi • Temperature control and monitoring • Lighting (LED) control • Filtration and session timers • Device setup and configuration Requires compatible ACC spa hardware. Built by Applied Computer Controls.
Screenshots
Verdict
The clearest difference is update cadence: SmarTouch 2 at monthly against Alen Air's every 2 months. Alen Air's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support 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 ships an update every 2 months, SmarTouch 2 monthly. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | Alen Air | SmarTouch 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (184 ratings) — better | — |
| Positive reviews | 21.9% of reviews | — |
| Number of ratings | 184 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 443 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Alen Corporation | American Concepts |
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
SmarTouch 2
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Alen Air
No in-app purchases
SmarTouch 2
No in-app purchases









