# Blueair vs TTLock

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.

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

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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Blueair | TTLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (23K ratings)](https://appshunter.io/ios/app/blueair/id1016299342/reviews)** | [2.8 (523 ratings)](https://appshunter.io/ios/app/ttlock/id1033046018/reviews) |
| Number of ratings | **23K** | 523 |
| Positive reviews | **26.3% of reviews** | 25.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 1.3 GB | 408 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Blueair AB](https://appshunter.io/developer/981904349) | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) |

## What reviewers say

### Blueair

[App page](https://appshunter.io/ios/app/blueair/id1016299342)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- App crashes on startup
- Frequent app disconnections
- Incorrect air quality readings
- Scheduling feature not working as expected
- Inability to change WiFi password

**Requested features**

- Add Google Home/Alexa integration
- Improve app stability and responsiveness
- Provide more customization options
- Allow data export and backup
- Fix daylight saving time issues


### TTLock

[App page](https://appshunter.io/ios/app/ttlock/id1033046018)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

- 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**

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


## Frequently asked 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 30, 2026 and TTLock on September 29, 2026.

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