Aqara Smart Lock U200 vs TP-Link Tapo DL100

TP-Link Tapo DL100, on price, owner reception, hub-free Wi-Fi and about ten months of battery life, with a doorbell button on the keypad. Aqara Smart Lock U200 wins on entry methods and integrations, adding fingerprint, NFC, Apple Home Key and Matter over Thread.

Aqara Smart Lock U200 does: it uses Thread, so remote control and full features require a Thread border router. TP-Link Tapo DL100 has built-in 2.4 GHz Wi-Fi plus Bluetooth, so it works remotely on its own with no bridge or hub of any kind.

Aqara Smart Lock U200 covers fingerprint, passcode, NFC, Apple Home Key, Bluetooth, app and physical key. TP-Link Tapo DL100 offers a backlit keypad with up to 200 codes, Bluetooth, app control and two mechanical keys, but no fingerprint, NFC or Apple Home Key.

TP-Link Tapo DL100 runs about ten months on four AA cells with a USB-C emergency port, though real life falls short if Wi-Fi stays on constantly. Aqara Smart Lock U200 uses a rechargeable pack rated at six months, with AAA batteries and a USB port as backup.

Only Aqara Smart Lock U200, through Matter over Thread, which also brings Google Home, Alexa, SmartThings, Home Assistant and IFTTT. TP-Link Tapo DL100 works with Alexa, Google Home and SmartThings using PIN verification, with no Apple HomeKit and no Matter.

Apple households that want Home Key tap-to-unlock, fingerprint and NFC on a retrofit deadbolt that keeps the existing key, and who already run a Thread network. Be aware of the reliability complaints. For a simpler, better-reviewed lock, TP-Link Tapo DL100 is the safer choice.