Comparison

Blueair vs TTLock

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

Head to head
About

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.

Highlights
  • Real-time air quality tracking
  • Seamless device controls
  • Insight and control of air
  • Intelligent adaptive features
  • Remote management
Features
Read full description

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.

About

TTLock

Unlock your doors using your smartphone via Bluetooth. This app requires compatible hardware to function. Contact support directly within the app for any inquiries.

Highlights
  • Unlock doors via Bluetooth
  • Requires compatible hardware
  • In-app support contact
  • Phone-based access control
Features
Read full description

TTLock is used to open the door via bluetooth with your phone. To do this, APP should cowork with specific hardware. You can contact with us in the APP, if there is any question.

Screenshots

Blueair4 screens
TTLock4 screens

Verdict

The call

The clearest difference is rating: Blueair at 4.8 against TTLock's 2.8. Blueair also leads on ads (none vs shown) and ratings volume (23K vs 523). TTLock's advantage is iOS requirement (13.0 vs 15.0). On price, review sentiment, update cadence 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

Blueair holds the better App Store score, 4.8 against 2.8. That said, the two scores are not equally well evidenced: Blueair has 23K ratings behind it against 523, so its average is the more settled of the two. Written reviews point the same way: 26% of Blueair's written reviews are positive against 25% of TTLock's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on September 29, 2026.

Scorecard5 real differences · 5 level
Blueair versus TTLock: the parameters behind the verdict, then further details
ParameterBlueairTTLock
PriceFreeFree
Rating4.8 (23K ratings) — better2.8 (523 ratings)
Positive reviews26.3% of reviews — better25.3% of reviews
Number of ratings23K — better523
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.013.0 — better
Further details — not scored
Size1.3 GB408 MB
Age rating4+4+
DeveloperBlueair ABHangzhou Sciener Smart Technology

Customer experience

Blueair

All ratings22,969 ratings
Positive96.8%
Neutral1.1%
Negative2.1%
Written reviews891 reviews
Positive26.3%
Neutral8.8%
Negative65.0%

TTLock

All ratings523 ratings
Positive40.9%
Neutral10.9%
Negative48.2%
Written reviews784 reviews
Positive25.3%
Neutral12.8%
Negative62.0%

User reviews

Blueair

From 23K App Store ratings

What we love

  • 🚀 Great air purifier
  • 🌟 Excellent product
  • 👍 Quiet operation
  • 🌳 Improves air quality
  • 🔍 Informative app

Room to improve

  • 🐛 Buggy app
  • 🔌 Connectivity issues
  • 🔍 Inaccurate sensor data
  • 🕰️ Scheduling problems
  • 🔒 Privacy concerns

TTLock

From 523 App Store ratings

What we love

  • 🚀 Works well
  • 👍 Easy to use
  • 💡 Lots of features
  • 🔒 Secure access
  • 🤖 Integrates with Alexa

Room to improve

  • 🐛 Connectivity issues
  • 🔋 Battery drain problems
  • 🤯 Confusing instructions
  • 🤖 Alexa integration not reliable
  • 🤔 Can't see lock status

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
Show 1 more
  • Enhance notification and alert features

TTLock

Reported bugs

5 issues
  • App crashes after updates
  • Can't delete old locks from app
  • Fingerprint scanner not working
  • Remote unlock not functioning
  • Passcode changes not syncing

Requested features

5 requests
  • Show lock/unlock status in app
  • Add proximity unlock feature
  • Improve Alexa integration
  • Allow minute-level passcode scheduling
  • Provide better customer support

In-app purchases

None

Blueair

No in-app purchases

None

TTLock

No in-app purchases

Questions

Is Blueair free?
Blueair is free to download, with no in-app purchases.
Is TTLock free?
TTLock is free to download, with no in-app purchases.
Which has better reviews, Blueair or TTLock?
Blueair is rated higher. Blueair averages 4.8 out of 5 from 23K ratings, while TTLock averages 2.8 from 523 ratings.
Do Blueair or TTLock have ads?
TTLock shows ads; Blueair does not.
Which is updated more often, Blueair or TTLock?
Blueair ships an update every 3 weeks, and TTLock every 3 weeks. Most recently, Blueair was updated on September 29, 2026 and TTLock on September 29, 2026.

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