Based on the users' reviews of the Multiline app, here are three cons and pros: **Cons:** 1. "Frustratingly slow loading times and poor performance issues reported by many users." 2. "Limited features and functionality, leaving users feeling underwhelmed and disappointed." 3. "Poor customer support and confusing navigation make it difficult to resolve issues." **Pros:** 1. "Simple and intuitive interface makes it easy to use, even for beginners." 2. "Effective for managing multiple messages and tasks concurrently, increasing productivity." 3. "Affordable pricing plan and no ads ensure a seamless and ad-free experience." Please note that these points are based on the available users' reviews and may not represent the opinions of all users.