# IDnotify vs Alen Air

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.

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 1.2. 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.

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.

## The numbers

| Metric | IDnotify | Alen Air |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (46 ratings)](https://appshunter.io/ios/app/idnotify/id1121757953/reviews) | **[2.6 (184 ratings)](https://appshunter.io/ios/app/alen-air/id1575726185/reviews)** |
| Number of ratings | 46 | **184** |
| Positive reviews | 8.3% of reviews | **21.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 57 MB | 443 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CSID](https://appshunter.io/developer/1116256401) | [Alen Corporation](https://appshunter.io/developer/1511825778) |

## What reviewers say

### IDnotify

[App page](https://appshunter.io/ios/app/idnotify/id1121757953)

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

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App doesn't load
- Content doesn't load
- Login fails
- Errors when getting details on notifications
- Notifications have no useful info

**Requested features**

- 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

[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


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*