# TTLock vs USmart Go

TTLock and USmart Go both sit at 2.8 stars, but that hides the real split: 25% of TTLock's written reviews are positive against 0% of USmart Go's. TTLock also leads on ratings volume (523 vs 59). USmart Go's advantage is update cadence (every 5 days vs every 3 weeks). On price, rating, 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.

On the App Store both sit at effectively the same score — 2.8 for TTLock against 2.7 for USmart Go. That said, the two scores are not equally well evidenced: TTLock has 523 ratings behind it against 59, so its average is the more settled of the two. Written reviews are what separate them: 25% of TTLock's written reviews are positive against 0% of USmart Go's.

TTLock ships an update every 3 weeks, USmart Go every 5 days. The most recent releases landed on September 23, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | TTLock | USmart Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (523 ratings)](https://appshunter.io/ios/app/ttlock/id1033046018/reviews)** | [2.7 (59 ratings)](https://appshunter.io/ios/app/usmart-go/id1491140916/reviews) |
| Number of ratings | **523** | 59 |
| Positive reviews | **25.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 408 MB | 11 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Sciener Smart Technology](https://appshunter.io/developer/1360996795) | [龙武 许](https://appshunter.io/developer/1103132264) |

## What reviewers say

### 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


### USmart Go

[App page](https://appshunter.io/ios/app/usmart-go/id1491140916)

Control all your home appliances, both infrared and Wi-Fi connected, from a single app. Remotely manage devices like TVs, air conditioners, lights, and cameras, and receive important notifications like door lock alerts.

**Highlights:** Control infrared appliances (TV, AC), Control Wi-Fi connected devices (lights, curtains), Remote appliance management, Door lock notifications, Remote door unlocking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TTLock free?

TTLock is free to download, with no in-app purchases.

### Is USmart Go free?

USmart Go is free to download, with no in-app purchases.

### Which has better reviews, TTLock or USmart Go?

TTLock is rated higher. TTLock averages 2.8 out of 5 from 523 ratings, while USmart Go averages 2.7 from 59 ratings.

### Do TTLock or USmart Go have ads?

Both TTLock and USmart Go show ads.

### Which is updated more often, TTLock or USmart Go?

TTLock ships an update every 3 weeks, and USmart Go every 5 days. Most recently, TTLock was updated on September 23, 2026 and USmart Go on August 19, 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.*