Comparison

IDnotify 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

IDnotify

Easily access your identity protection services and receive timely alerts about changes to your personal information. View your account details and log in securely using fingerprint or Face ID on supported devices.

Highlights
  • Receive timely alerts
  • Access services on the go
  • Secure login with fingerprint
  • Secure login with Face ID
  • View account information
Read full description

Accessing your IDnotify identity protection services just got easier. The IDnotify app enables you to view notifications regarding important changes to your identity information and view your account information on the go. Log in with your IDnotify account credentials after downloading the app to enjoy these features and more. The IDnotify app makes it easy to: • Receive timely alerts straight to your phone • Access your identity protection services while on the go • Login securely with fingerprint and Face ID authentication on supported devices

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

IDnotify3 screens
Alen Air4 screens

Verdict

The call

The clearest difference is rating: Alen Air at 2.6 against IDnotify's 1.2. Alen Air also leads on review sentiment (22% vs 8%) and ratings volume (184 vs 46). IDnotify's advantage is monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases 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

Alen Air holds the better App Store score, 2.6 against 1.2. Both are backed by a comparable volume of ratings — 46 and 184 respectively. Written reviews point the same way: 8% of IDnotify's written reviews are positive against 22% of Alen Air's.

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
IDnotify versus Alen Air: the parameters behind the verdict, then further details
ParameterIDnotifyAlen Air
PriceFreeFree
Rating1.2 (46 ratings)2.6 (184 ratings) — better
Positive reviews8.3% of reviews21.9% of reviews — better
Number of ratings46184 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size57 MB443 MB
Age rating4+4+
DeveloperCSIDAlen Corporation

Customer experience

IDnotify

All ratings44 ratings
Positive6.8%
Neutral0.0%
Negative93.2%
Written reviews72 reviews
Positive8.3%
Neutral2.8%
Negative88.9%

Alen Air

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

User reviews

IDnotify

From 46 App Store ratings

What we love

  • 👍 Works as expected (rare)
  • 👍 Similar view to website (rare)

Room to improve

  • 🐛 App doesn't load/open
  • 🐛 Login issues/impossible to login
  • 🐛 Content doesn't load
  • 🐛 Errors when getting details
  • 🐛 Notifications with no useful info

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

IDnotify

Reported bugs

18 issues
  • App doesn't load
  • Content doesn't load
  • Login fails
  • Errors when getting details on notifications
  • Notifications have no useful info
Show 13 more
  • App not supported on older iOS versions
  • App crashes after login attempt
  • Authentication fails
  • App has not been updated
  • Repeated login/PIN setup required
  • Alerts are null on the app
  • App freezes
  • Cannot log in via app or web browser
  • Cannot lock/unlock account on the app
  • Cannot communicate with IDnotify server
  • Invalid user/ID errors
  • Endless login loops with Safari verification
  • Customer service admits app doesn't work

Requested features

5 requests
  • Ability to lock/unlock credit from home screen
  • Fix login issues
  • Update the app
  • Provide useful notification info
  • Disclose locations where info was found

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

IDnotify

No in-app purchases

None

Alen Air

No in-app purchases

Questions

Is IDnotify free?
IDnotify 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, IDnotify or Alen Air?
Alen Air is rated higher. IDnotify averages 1.2 out of 5 from 46 ratings, while Alen Air averages 2.6 from 184 ratings.
Do IDnotify or Alen Air have ads?
Neither IDnotify nor Alen Air shows ads.
Which is updated more often, IDnotify or Alen Air?
IDnotify ships an update every 3 months, and Alen Air every 2 months. Most recently, IDnotify was updated on November 2, 2026 and Alen Air on November 3, 2026.

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