It’s compatible with Amazon Alexa and Google Assistant. Announced in January 2019Onelink Bell This doorbell is compatible with Amazon Alexa and Google Assistant. Announced in January 2019Kasa Smart Video Doorbell This product comes from Kasa Smart, a popular manufacturer of smart plugs and light switches. It’s compatible with Amazon Alexa, Google Assistant and Microsoft Cortana. Announced in January 2019RemoBell S This model is smaller than the RemoBell we tested in 2018 and can connect to the doorbell wiring, unlike the earlier model. Announced in January 2019Yobi B3 This HomeKit compatible doorbell comes from a sister company of iBaby, which makes a line of video baby monitors. Announced in January 2019ProLine Doorbell This video doorbell is compatible with Apple HomeKit. Announced in January 2019Why Trust UsTop Ten Reviews started reviewing video doorbells in 2015, but this update is the first time we've conducted extensive side by side testing. We obtained seven video doorbells from five companies: August, Nest, Remo+, Ring and SkyBell. We conducted tests in three categories: usability, video and audio quality, and ease of installation. We also used this opportunity to test more smart locks and see how well the two kinds of devices work together.