Based on the users' reviews of the Knock Bridge app, here are three cons and pros: **Cons:** 1. "Glitches and errors happen frequently, causing frustration and wasting time." - 15 words 2. "Limited functionality and features compared to other similar apps." - 14 words 3. "No customer support available or unresponsive to issues reported." - 15 words **Pros:** 1. "Easy to use and navigate, even for those new to smart home technology." - 15 words 2. "Real-time notifications keep users informed of doorbell pressings and motion detection." - 15 words 3. "HD video quality provides clear and secure footage for peace of mind." - 14 words