TTLock
In the smart-lock configurations we commonly work with, TTLock is usually Bluetooth-first.
For local use, the lock can work through Bluetooth without depending on Wi-Fi. When certain remote functions are needed, a TTLock gateway is usually added.
That means a TTLock setup with a gateway can sometimes cost more than a direct-Wi-Fi solution.
So why do many buyers still choose it?
One reason is that Bluetooth local access is less dependent on the quality of the local Wi-Fi connection. In markets where internet or home Wi-Fi conditions are less stable, that can be a practical advantage.
TTLock is also commonly used for apartments, rentals and short-term accommodation. Its system works well for rental-management scenarios, which is one reason it is often seen in short-term rentals such as Airbnb.
Tuya / Smart Life
For overseas users, Tuya-based products are also commonly used through the Smart Life ecosystem.
In the smart-lock solutions we usually see, Tuya is often offered with direct Wi-Fi connectivity, so remote access may not require an additional gateway.
Tuya also has a broader smart-home ecosystem. If the lock needs to connect with other smart-home devices, that can be an advantage.
For buyers who need branded or customized app development, Tuya also provides Smart Life App SDK and OEM App options.
TTLock is more focused on smart locks and related property-management scenarios. It also provides App SDK, Cloud API and other integration options, so deeper customization needs should be checked against the exact project scope rather than assumed from the platform name.
So Which One Makes More Sense?
There is no simple answer.
TTLock can make more sense when Bluetooth-first local use, rental management or less dependence on Wi-Fi is important.
Tuya / Smart Life can make more sense when direct Wi-Fi, broader smart-home integration or its Smart Life / OEM App development path fits the project.
The better choice depends on how the lock will actually be used.