TTLock vs USmart Go
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Unlock doors via Bluetooth
- Requires compatible hardware
- In-app support contact
- Phone-based access control
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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.
USmart Go
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.
- Control infrared appliances (TV, AC)
- Control Wi-Fi connected devices (lights, curtains)
- Remote appliance management
- Door lock notifications
- Remote door unlocking
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Coordinated with the hardware we developed, this APP can control all our home appliances. Not only infrared controlled electric machine such as TV, Air conditioner are under control. Internet device connected by Wi-Fi such as Lights, Curtain, Air Purifier, Camera can all be controlled remotely. -- Push notification service is used for receive the messages of the door locks; And it plays an important role on remote unlocking the door.
Screenshots
Verdict
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.
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.
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.
| Parameter | TTLock | USmart Go |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (523 ratings) — better | 2.7 (59 ratings) |
| Positive reviews | 25.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 523 — better | 59 |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 408 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Sciener Smart Technology | 龙武 许 |
Customer experience
TTLock
USmart Go
Bugs and requests
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
USmart Go
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TTLock
No in-app purchases
USmart Go
No in-app purchases
