Choose the Aqara U100 for fast fingerprint access, HomeKit/Home Key, and strong feature value. Skip it if you need built-in Wi-Fi, simple re-keying, or rock-solid long-term app reliability.
Pros: Fingerprint, Value and Price
Cons: Hub requirement, Battery
Choose the Aqara G4 if you want an affordable, battery-friendly HomeKit doorbell with local storage and fast alerts. Skip it if you need rock-solid motion capture, strong package visibility, high-resolution...
Pros: Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread), Price and value
Cons: App, software and firmware, Video resolution and detail