Blueair vs USDTL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blueair
Monitor and control your indoor air quality in real-time. Gain insights and manage your environment effectively with intelligent features, whether you're at home or away. Experience healthier living through advanced air care.
- Real-time air quality tracking
- Seamless device controls
- Insight and control of air
- Intelligent adaptive features
- Remote management
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The Blueair app transforms how you care for your indoor environment with real-time air quality tracking and seamless device controls. With over 30 years of air care innovation and expertise, our products and app give you insight and control of your air to help you manage it effectively. Whether you are home or away, take effortless action with intelligent features that adapt to your space.
USDTL
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The USDTL Mobile Application, when paired with the USDTL Software Platform, allows private and government agencies to manage the flow of information for clients such as important appointments and events, costs, fees and due dates, secure messaging and periodic question-based communications.
Screenshots
Verdict
The clearest difference is update cadence: Blueair at every 3 weeks against USDTL's every 4 months. 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.
Blueair ships an update every 3 weeks, USDTL every 4 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Blueair | USDTL |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (24K ratings) — better | — |
| Positive reviews | 26.4% of reviews | — |
| Number of ratings | 24K — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 1.3 GB | 18 MB |
| Age rating | 4+ | 12+ |
| Developer | Blueair AB | LeapFinder LLC |
Bugs and requests
Blueair
Reported bugs
5 issues- App crashes on startup
- Frequent app disconnections
- Incorrect air quality readings
- Scheduling feature not working as expected
- Inability to change WiFi password
Requested features
6 requests- Add Google Home/Alexa integration
- Improve app stability and responsiveness
- Provide more customization options
- Allow data export and backup
- Fix daylight saving time issues
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- Enhance notification and alert features
USDTL
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Blueair
No in-app purchases
USDTL
No in-app purchases
