Comparison

AC Infinity vs Alen Air

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AC Infinity

Control and monitor your smart ventilation systems for HVAC or grow projects. Access advanced programming, track environmental data like temperature and humidity, and receive customizable alerts. Seamlessly pair with compatible devices for comprehensive environmental management.

Highlights
  • Advanced programming (timers, schedules, triggers)
  • Real-time temperature and humidity monitoring
  • Customizable alarms and push notifications
  • Data logging and export
  • Wireless control of fan settings
  • Scheduled fan automation
Features
Read full description

The AC Infinity app enables you to connect with the next generation of our intelligent controllers, giving you access to advanced programs and environmental data. Take control of your next HVAC or grow project using a smart ventilation system and data monitoring. Easily pair this app with one of our compatible devices, available through our website: www.acinfinity.com ADVANCED PROGRAMMING • Get wireless access to essential programming controls including ON and OFF modes, timers, cycles, schedules, and temperature and humidity triggers. • Scheduled fan automation programs enable utmost control over how your fan runs during the day. • Customizable alarms and push notifications help you stay on top of your fan and environment. • Other settings include convertible temperature scales, device brightness, fan speed transitions, and reading calibrations. ENVIRONMENTAL DATA • Gain insight on your space’s temperature and humidity levels using the bar graph distribution view. • The fluctuation charts help you identify extreme high or low points and adjust your fan accordingly. • Climate conditions are regularly tracked by your controller even while you step out, updating this app when you return within its range. • This app records all fan mode activations, alarms, and notifications and logs them in filterable history logs. • Export your temperature and humidity data to your spreadsheet application for greater tracking of your environment.

About

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.

Highlights
  • Remote control of air purifiers
  • Real-time air quality monitoring
  • Historical air quality data
  • Customizable schedules
  • Filter replacement notifications
  • In-app product purchases
Read full description

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.

Screenshots

AC Infinity4 screens
Alen Air4 screens

Verdict

The call

The clearest difference is review sentiment: AC Infinity at 79% against Alen Air's 22%. AC Infinity also leads on rating (4.2 vs 2.6) and monetization model (free vs free with in-app purchases). 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

AC Infinity holds the better App Store score, 4.2 against 2.6. Both are backed by a comparable volume of ratings — 859 and 184 respectively. Written reviews point the same way: 79% of AC Infinity's written reviews are positive against 22% of Alen Air's.

UpkeepUpdate frequency

AC Infinity ships an update monthly, Alen Air every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
AC Infinity versus Alen Air: the parameters behind the verdict, then further details
ParameterAC InfinityAlen Air
PriceFreeFree
Rating4.2 (859 ratings) — better2.6 (184 ratings)
Positive reviews79.4% of reviews — better21.9% of reviews
Number of ratings859 — better184
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size387 MB443 MB
Age rating4+4+
DeveloperAC InfinityAlen Corporation

Customer experience

AC Infinity

All ratings859 ratings
Positive76.9%
Neutral5.2%
Negative17.8%
Written reviews499 reviews
Positive79.4%
Neutral6.6%
Negative14.0%

Alen Air

All ratings175 ratings
Positive33.7%
Neutral10.9%
Negative55.4%
Written reviews114 reviews
Positive21.9%
Neutral13.2%
Negative64.9%

User reviews

AC Infinity

From 859 App Store ratings

What we love

  • 👍 Convenient and easy to use
  • 🚀 Powerful automation and control
  • 💡 Excellent app functionality
  • 🔍 Detailed monitoring and data tracking
  • 🤖 Impressive AI-powered features

Room to improve

  • 🐛 Connectivity issues after updates
  • ⚠️ Unstable settings changes
  • 🕰️ Slow app performance
  • 🤔 Confusing user interface
  • 🔌 Bluetooth-only connectivity limitations

Alen Air

From 184 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

AC Infinity

Reported bugs

4 issues
  • App crashes after firmware updates
  • Devices randomly disconnecting from app
  • Incorrect data reporting on the app
  • Automation settings being reset unexpectedly

Requested features

5 requests
  • Add Wi-Fi connectivity for remote control
  • Improve data visualization and graphing
  • Implement more advanced automation options
  • Allow custom fan speed and light intensity control
  • Add support for day/night mode settings

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

In-app purchases

None

AC Infinity

No in-app purchases

None

Alen Air

No in-app purchases

Questions

Is AC Infinity free?
AC Infinity is free to download, with no in-app purchases.
Is Alen Air free?
Alen Air is free to download, with no in-app purchases.
Which has better reviews, AC Infinity or Alen Air?
AC Infinity is rated higher. AC Infinity averages 4.2 out of 5 from 859 ratings, while Alen Air averages 2.6 from 184 ratings.
Do AC Infinity or Alen Air have ads?
Neither AC Infinity nor Alen Air shows ads.
Which is updated more often, AC Infinity or Alen Air?
AC Infinity ships an update monthly, and Alen Air every 2 months. Most recently, AC Infinity was updated on November 7, 2026 and Alen Air on November 3, 2026.

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