Based on the users' reviews of the Vivint Alarm app, here are three cons and pros in English, each limited to 15 words: **Cons:** 1. Many users complained about constant updating, causing frequent app freezing and lagging issues. 2. Reviewers expressed frustration with poor customer support, claiming issues are not resolved promptly. 3. Some users experienced difficulties syncing the app with their Vivint Smart Home system, causing disconnected experiences. **Pros:** 1. Users praised the app's user-friendly interface and easy-to-use design, making it enjoyable to set and manage alarms. 2. Reviewers appreciated the ability to control and monitor their Vivint Smart Home devices remotely through the app. 3. Many users benefited from the app's customizable settings, allowing them to tailor their alarm preferences to their specific needs.